Skip to main content

Full text of "USPTO Patents Application 08479810"

See other formats


IN THE CLAIMS 



CLAIM 1 (Previously Presented) A superconducting apparatus comprising a composition 
having a transition temperature greater than 26°K, the composition including a rare earth 
or near rare earth-like element, a transition metal element capable of exhibiting 
multivalent states and oxygen, including at least one phase that exhibits 
superconductivity at temperature in excess of 26°K, a means for maintaining said 
composition at said temperature to exhibit said superconductivity and means for passing 
an electrical superconducting current through said composition while exhibiting said 
superconductivity. 

CLAIM 2 (Previously Presented) The superconducting apparatus of claim 1 , further 
including an alkaline earth element substituted for at least one atom of said rare earth or 
rare earth-like element in said composition. 

CLAIM 3 (Previously Presented) The superconducting apparatus of claim 2, where said 
transition metal is Cu. 

CLAIM 4 (Previously Presented) The superconducting apparatus of claim 3, where said 
alkaline earth element is selected from the group consisting of B, Ca, Ba, and Sr. 

CLAIM 5 (Previously Presented) The superconducting apparatus of claim 1 , where said 
transition metal element is selected from the group consisting of Cu, Ni, and Cr. 

CLAIM 6 (Previously Presented) The superconducting apparatus of claim 2, where said 
rare earth or rare earth-like element is selected from the group consisting of La, Nd, and 
Ce. 

CLAIM 7 (Previously Presented) The superconducting apparatus of claim 1 , where said 
phase is crystalline with a perovskite-like structure. 



Serial No. 08/479,81 0 Page 2 of 87 Docket No. YO987-074BZ 



CLAIM 8 (Previously Presented) The superconducting apparatus of claim 2, where said 
phase is crystalline with a perovskite-like structure. 

CLAIM 9 (Previously Presented) The superconducting apparatus of claim 1 , where said 
phase exhibits a layer-like crystalline structure. 

CLAIM 10 (Previously Presented) The superconducting apparatus of claim 1 , where said 
phase is a mixed copper oxide phase. 

CLAIM 11 (Previously Presented) The superconducting apparatus of claim 1 , where said 
composition is comprised of mixed oxides with alkaline earth doping. 

CLAIM 12 (Previously Presented) A superconducting combination, including a 
superconductive composition having a transition temperature > 26°K, 

means for passing a superconducting electrical current through said composition while 
said composition is at a temperature > 26°K and less than said transition temperature, 
and 

cooling means for cooling said composition to a superconducting state at a temperature in 
excess of 26°K. 

CLAIM 13 (Original) The combination of claim 12, where said superconductive 
composition includes a transition metal oxide. 

CLAIM 14 (Original) The combination of claim 12, where said superconductive 
composition includes Cu-oxide. 

CLAIM 15 (Original) The combination of claim 12, where said superconductive 
composition includes a multivalent transition metal, oxygen, and at least one additional 
element. 



Serial No. 08/479,810 



Page 3 of 87 



Docket No. YO987-074BZ 



CLAIM 16 (Original) The combination of claim 15, where said transition metal is Cu. 

CLAIM 17 (Original) The combination of claim 15, where said additional element is a rare 
earth or rare earth-like element. 

CLAIM 18 (Original) The combination of claim 15, where said additional element is an 
alkaline earth element. 

CLAIM 19 (Original) The combination of claim 12, where said composition includes a 
perovskite-like superconducting phase. 

CLAIM 20 (Original) The combination of claim 12, where said composition includes a 
substituted transition metal oxide. 

CLAIM 21 (Original) The combination of claim 20, where said substituted transition metal 
oxide includes a multivalent transition metal element. 

CLAIM 22 (Original) The combination of claim 20, where said substituted transition metal 
oxide is an oxide of copper. 

CLAIM 23 (Original) The combination of claim 20, where said substituted transition metal 
oxide has a layer-like structure. 

CLAIM 24 (Previously Presented) An apparatus comprising: 

a transition metal oxide having a phase therein which exhibits a superconducting state at 
a critical temperature in excess of 26°K, 

means for lowering the temperature of said material at least to said critical temperature to 
produce said superconducting state in said phase, and 



Serial No. 08/479,810 



Page 4 of 87 



Docket No. YO987-074BZ 



means for passing an electrical superconducting current through said transition metal 
oxide while it is in said superconducting state. 

CLAIM 25 (Previously Presented) The apparatus of claim 24, where said transition metal 
oxide is comprised of a transition metal capable of exhibiting multivalent states. 

CLAIM 26 (Previously Presented) The apparatus of claim 24, where said transition metal 
oxide is comprised of a Cu oxide. 

CLAIM 27 (Currently Amended) A superconducting apparatus comprising a composition 
having a transition temperature in excess of 26°K, said composition being a substituted 
Cu-oxide including a superconducting phase having a structure which is structurally 
substantially similar to the orthorhombic-tetragonal phase trans i t i on of said composition^ 
means for maintaining said composition at a temperature greater than said transition 
temperature to put said composition in a superconducting state; and means for passing 
current through said composition while in said superconducting state. 

CLAIM 28 (Previously Presented) The superconducting apparatus of claim 27, where 
said substituted Cu-oxide includes a rare earth or rare earth-like element. 

CLAIM 29 (Previously Presented) The superconducting apparatus of claim 27, where 
said substituted Cu-oxide includes an alkaline earth element. 

CLAIM 30 (Previously Presented) The superconducting apparatus of claim 29, where 
said alkaline earth element is atomically large with respect to Cu. 

CLAIM 31 (Previously Presented) The superconducting apparatus of claim 27, where 
said composition has a crystalline structure which enhances electron-phonon interactions 
to produce superconductivity at a temperature in excess of 26°K. 



Serial No. 08/479,810 



Page 5 of 87 



Docket No. YO987-074BZ 



CLAIM 32 (Original) The superconducting apparatus of claim 31 , where said crystalline 
structure is layer-like, enhancing the number of Jahn-Teller polarons in said composite. 

CLAIM 33 (Previously Presented) A superconducting apparatus comprising a 
composition having a superconducting onset temperature in excess of 26°K, the 
composition being comprised of a copper oxide doped with an alkaline earth element 
where the concentration of said alkaline earth element is near to the concentration of said 
alkaline earth element where the superconducting copper oxide phase in said 
composition undergoes an orthorhombic to tetragonal structural phase transition. 

CLAIM 34 (Previously Presented) A superconducting apparatus having a 
superconducting onset temperature in excess of 26°K, the composition being comprised 
of a mixed copper oxide doped with an element chosen to result in Cu 3+ ions in said 
composition and a means for passing a superconducting current through said 
superconducting composition. 

CLAIM 35 (Previously Presented) The superconducting apparatus of claim 34, where 
said doping element includes an alkaline earth element. 

CLAIM 36 (Previously Presented) A combination comprising: 

a composition having a superconducting onset temperature in excess of 26°K, said 
composition being comprised of a substituted copper oxide exhibiting mixed valence 
states and at least one other element in its crystalline structure, 

means for passing a superconducting electrical current through said composition while 
said composition is at a temperature in excess of 26°K and less than said 
superconducting onset temperature, and 

cooling means for cooling said composition to a superconducting state at a temperature in 
excess of 26°K. 



Serial No. 08/479,810 



Page 6 of 87 



Docket No. YO987-074BZ 



CLAIM 37 (Original) The combination of claim 36, where said at least one other element is 
an alkaline earth element. 

CLAIM 38 (Previously Presented) The combination of claim 36, where said at least one 
other element is an element which results in Cu 3+ ions in said composition. 

CLAIM 39 (Previously Presented) The combination of claim 36, where said at least one 
other element is an element chosen to result in the presence of both Cu 2+ and Cu 3+ ions in 
said composition. 

CLAIM 40 (Previously Presented) An apparatus comprising a superconductor exhibiting a 
superconducting onset at an onset temperature in excess of 26°K, said superconductor 
being comprised of at least four elements, none of which is itself superconducting at a 
temperature in excess of 26°K, means for maintaining said superconductor at an 
operating temperature in excess of said onset temperature to maintain said 
superconductor in a superconducting state and means for passing current through said 
superconductor while in said superconducting state. 

CLAIM 41 (Previously Presented) The apparatus of claim 40, where said elements 
include a transition metal and oxygen. 

CLAIM 42 (Previously Presented) A apparatus having a superconducting onset 
temperature greater than 26°K, said superconductor being a doped transition metal oxide, 
where said transition metal is itself non-superconducting and means for passing a 
superconducting electric current through said composition. 

CLAIM 43 (Previously Presented) The apparatus of claim 42, where said doped transition 
metal oxide is multivalent in said superconductor. 



Serial No. 08/479,810 



Page 7 of 87 



Docket No. YO987-074BZ 



CLAIM 44 (Previously Presented) The apparatus of claim 42, further including an element 
which creates a mixed valent state of said transition metal. 

CLAIM 45 (Previously Presented) The apparatus of claim 43, where said transition metal 
is Cu. 

CLAIM 46 (Previously Presented) An apparatus having a superconductor having a 
superconducting onset temperature greater than 26°K, said superconductor being an 
oxide having multivalent oxidation states and including a metal, said oxide having a 
crystalline structure which is oxygen deficient a means for passing a superconducting 
electric current through said superconductor. 

CLAIM 47 (Currently Amended) The superconductor apparatus of claim 46, where said 
transition metal is Cu. 

CLAIM 48 (Previously Presented) A superconductive apparatus comprising a 
superconductive composition comprised of a transition metal oxide having substitutions 
therein, the amount of said substitutions being sufficient to produce sufficient 
electron-phonon interactions in said composition that said composition exhibits a 
superconducting onset at temperatures greater than 26°K, and a source of current for 
passing a superconducting electric current through said superconductor. 

CLAIM 49 (Currently Amended) The composition superconductive apparatus of claim 48, 
where said transition metal oxide is multivalent in said composition. 

CLAIM 50 (Currently Amended) The compos i t i on superconductive apparatus of claim 48, 
where said transition metal is Cu. 

CLAIM 51 (Currently Amended) The composit i on superconductive apparatus of claim 48, 
where said substitutions include an alkaline earth element. 



Serial No. 08/479,810 



Page 8 of 87 



Docket No. YO987-074BZ 



CLAIM 52 (Currently Amended) The compos i t i on superconductive apparatus of claim 48, 
where said substitutions include a rare earth or rare earth-like element. 

CLAIM 53 (Currently Amended) A sup e rconductor superconductive apparatus comprised 
of a copper oxide having a layer-like crystalline structure and at least one additional 
element substituted in said crystalline structure, said structure being oxygen deficient and 
exhibiting a superconducting onset temperature in excess of 26°K. 

CLAIM 54 (Original) The superconductor of claim 53, where said additional element 
creates a mixed valent state of said copper oxide in said superconductor. 

CLAIM 55 (Previously Presented) A combination, comprising: 

a transition metal oxide having an superconducting onset temperature greater than about 
26°K and having an oxygen deficiency, said transition metal being non-superconducting 
at said superconducting onset temperature and said oxide having multivalent states, 

means for passing an electrical superconducting current through said oxide while said 
oxide is at a temperature greater than 26°K, and 

cooling means for cooling said oxide in a superconducting state at a temperature greater 
than 26°K. 

CLAIM 56 (Original) The combination of claim 55, where said transition metal is Cu. 
CLAIM 57 (Previously Presented) A combination including; 

a superconducting oxide having a superconducting onset temperature in excess of 26°K 
and containing at least 3 elements which are non-superconducting at said onset 
temperature, 



Serial No. 08/479,810 



Page 9 of 87 



Docket No. YO987-074BZ 



means for passing a superconducting current through said oxide while said oxide is 
maintained at a temperature greater than 26°K, and 

means for maintaining said oxide in a superconducting state at a temperature greater 
than 26°K and less than said superconductive onset temperature. 

CLAIM 58 (Previously Presented) A combination, comprised of: 

a copper oxide superconductor having a superconductor onset temperature greater than 
about 26°K including an element which results in a mixed valent state in said oxide, said 
oxide being crystalline and having a layer-like structure, 

means for passing a superconducting current through said copper oxide while it is 
maintained at a temperature greater than 26°K and less than said superconducting onset 
temperature, and 

means for cooling said copper oxide to a superconductive state at a temperature greater 
than 26°K and less than said superconducting onset temperature. 

CLAIM 59 (Previously Presented) A combination, comprised of: 

a ceramic-like material having an onset of superconductivity at an onset temperature in 
excess of 26°K, 

means for passing a superconducting electrical current through said ceramic-like material 
while said material is maintained at a temperature in excess of 26°K and less than said 
onset temperature, and 

means for cooling said superconducting ceramic-like material to a superconductive state 
at a temperature greater than 26°K and less than said onset temperature, said material 
being superconductive at temperatures below said onset temperature and a ceramic at 



Serial No. 08/479,810 



Page 10 of 87 



Docket No. YO987-074BZ 



temperatures above said onset temperature. 

CLAIM 60 (Previously Presented) An apparatus comprised of a transition metal oxide, 
and at least one additional element, said superconductor having a distorted crystalline 
structure characterized by an oxygen deficiency and exhibiting a superconducting onset 
temperature in excess of 26°K, a source of current for passing a superconducting electric 
current in said transition metal oxide, and a cooling apparatus for maintaining said 
transition metal oxide below said onset temperature at a temperature in excess of 26°K. 

CLAIM 61 (Previously Presented) The apparatus of claim 60, where said transition metal 
is Cu. 

CLAIM 62 (Previously Presented) An apparatus comprised of a transition metal oxide and 
at least one additional element, said superconductor having a distorted crystalline 
structure characterized by an oxygen excess and exhibiting a superconducting onset 
temperature in excess of 26°K, a source of current for passing a superconducting electric 
current in said transition metal oxide, and a cooling apparatus for maintaining said 
transition metal oxide below said onset temperature and at a temperature in excess of 
26°K. 

CLAIM 63 (Previously Presented) The apparatus of claim 62, where said transition metal 
is Cu. 

CLAIM 64 (Previously Presented) A combination, comprising: 

a mixed copper oxide composition having enhanced polaron formation, said composition 
including an element causing said copper to have a mixed valent state in said 
composition, said composition further having a distorted octahedral oxygen environment 
leading to a T c greater than 26°K, 

means for providing a superconducting current through said composition at temperatures 



Serial No. 08/479,810 



Page 1 1 of 87 



Docket No. YO987-074BZ 



greater than 26°K and less than said T Cl and 

cooling means for cooling said composition to a temperature greater than 26°K and less 
than said T c . 

CLAIM 65 (Currently Amended) An apparatus comprising a composition exhibiting 
superconductivity at temperatures greater than 26°K, said composition being a 
ceramic-like material in the RE-AE-TM-0 system, where RE is a rare earth or near rare 
earth element, AE is an alkaline earth element, TM is a multivalent transition metal 
element having at least two valence states in said composition, and O is oxygen, the ratio 
of the amounts of said transition metal in said two valence states being determined by the 
ratio RE : AE, a source of current for passing a superconducting electric current in said 
transition metal oxide, and a cooling apparatus for maintaining said transition metal oxide 
below said onset temperature and at a temperature in excess of 26°K. 

CLAIM 66 (Currently Amended) [[A]] An apparatus comprising a superconductive 
composition having a transition temperature greater than 26°K, the composition including 
a multivalent transition metal oxide and at least one additional element, said composition 
having a distorted orthorhombic crystalline structure, a source of current for passing a 
superconducting electric current in said transition metal oxide, and a cooling apparatus 
for maintaining said transition metal oxide below said onset temperature and at a 
temperature in excess of 26°K. 

CLAIM 67 (Previously Presented) The apparatus of claim 66, where said transition metal 
oxide is a mixed copper oxide. 

CLAIM 68 (Previously Presented) The apparatus of claim 67, where said one additional 
element is an alkaline earth element. 



Serial No. 08/479,810 



Page 12 of 87 



Docket No. YO987-074BZ 



CLAIM 69 (Previously Presented) A superconductive combination, comprising: 

a superconducting composition exhibiting a superconducting transition temperature 
greater than 26°K, said composition being a transition metal oxide having a distorted 
orthorhombic crystalline structure, and 

means for passing a superconducting electrical current through said composition while 
said composition is at a temperature greater than 26°K and less than said 
superconducting transition temperature. 

CLAIM 70 (Original) The combination of claim 69, where said transition metal oxide is a 
mixed copper oxide. 

CLAIM 71 (Original) The combination of claim 70, where said mixed copper oxide 
includes an alkaline earth element. 

CLAIM 72 (Original) The combination of claim 71 , where said mixed copper oxide further 
includes a rare earth or rare earth-like element. 

CLAIM 73 (Original) A method for making a superconductor having a superconducting 
onset temperature > 26°K, said method including the steps of: 

preparing powders of oxygen-containing compounds of a rare earth or rare earth-like 
element, an alkaline earth element, and copper, 

mixing said compounds and firing said mixture to create a mixed copper oxide 
composition including said alkaline earth element and said rare earth or rare earth-like 
element, and 

annealing said mixed copper oxide composition at an elevated temperature less than 
about 950°C in an atmosphere including oxygen to produce a superconducting 



Serial No. 08/479,810 



Page 13 of 87 



Docket No. YO987-074BZ 



composition having a mixed copper oxide phase exhibiting a superconducting onset 
temperature greater than 26°K, said superconducting composition having a layer-like 
crystalline structure after said annealing step. 

CLAIM 74 (Original) The method of claim 73, where the amount of oxygen incorporated 
into said composition is adjusted by said annealing step, the amount of oxygen therein 
affecting the critical temperature T c of the superconducting composition. 

CLAIM 75 (Original) A method for making a superconductor having a superconducting 
onset temperature greater than 26°K, said superconductor being comprised of a rare 
earth or rare earth-like element (RE), an alkaline earth element (AE), copper (CU), and 
oxygen (O) and having the general formula RE-AE-CU-O, said method including the 
steps of combining said rare earth or rare earth-like element, said alkaline earth element 
and said copper in the presence of oxygen to produce a mixed copper oxide including 
said rare earth or rare earth-like element and said alkaline earth element therein, and 

heating said mixed copper oxide to produce a superconductor having a crystalline 
layer-like structure and exhibiting a superconducting onset temperature greater than 
26°K the critical transition temperature of said superconductor being dependent on the 
amount of said alkaline earth element therein. 

CLAIM 76 (Original) The method of claim 75, where said heating step is done in an 
atmosphere including oxygen. 

CLAIM 77 (Previously Presented) A combination, comprising: 

a mixed copper oxide composition including an alkaline earth element (AE) and a rare 
earth or rare earth-like element (RE), said composition having a layer-like crystalline 
structure and multi-valent oxidation states, said composition exhibiting a substantially 
zero resistance to the flow of electrical current therethrough when cooled to a 
superconducting state at a temperature in excess of 26°K, said mixed copper oxide 



Serial No. 08/479,810 



Page 14 of 87 



Docket No. YO987-074BZ 



having a superconducting onset temperature greater than 26°K, and 

electrical means for passing an electrical superconducting current through said 
composition when said composition exhibits substantially zero resistance at a 
temperature greater than 26°K and less than said onset temperature. 

CLAIM 78 (Original) The combination of claim 77, where the ratio (AE,RE) : Cu is 
substantially 1:1. 

CLAIM 79 (Original) The combination of claim 77, where the ratio (AE,RE) : Cu is 
substantially 1:1. 

CLAIM 80 (Original) The combination of claim 77, wherein said crystalline structure is 
perovskite-like. 

CLAIM 81 (Original) The combination of claim 77, where said mixed copper oxide 
composition has a non-stoichiometric amount of oxygen therein. 

CLAIM 82 (Previously Presented) A method for making a superconductor having a 
superconducting onset temperature greater than 26°K, said superconductor being 
comprised of a rare earth or rare earth-like element (RE), an alkaline earth element (AE), 
a transition metal element (TM), and Oxygen (O) and having the general formula 
RE-AE-TM-O, said method including the steps of combining said rare earth or rare 
earth-like element, said alkaline earth element and said transition metal element in the 
presence of oxygen to produce a mixed transition metal oxide including said rare earth or 
rare earth-like element and said alkaline earth element therein, and 

heating said mixed transition metal oxide to produce superconductor having a crystalline 
layer-like structure and exhibiting a superconducting onset temperature greater than 
26°K, said superconductor having a non-stoichiometric amount of oxygen therein. 



Serial No. 08/479,810 



Page 15 of 87 



Docket No. YO987-074BZ 



CLAIM 83 (Previously Presented) The method of claim 82, where said transition metal is 
copper. 

CLAIM 84 (Previously Presented) A superconducting combination, comprising: 

a mixed transition metal oxide composition containing a non-stoichiometric amount of 
oxygen therein, a transition metal and at least one additional element, said composition 
having substantially zero resistance to the flow of electricity therethrough when cooled to 
a superconducting state at a temperature greater than 26°K, said mixed transition metal 
oxide has a superconducting onset temperature in excess of 26°K, and 

electrical means for passing an electrical superconducting current through said 
composition when said composition is in said superconducting state at a temperature 
greater than 26°K, and less than said superconducting onset temperature. 

CLAIM 85 (Original) The combination of claim 84, where said transition metal is copper. 

CLAIM 86 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a rare earth or rare earth-like element, an 
alkaline earth element, and oxygen, where said composition is a mixed transition metal 
oxide having a non-stoichiometric amount of oxygen therein and exhibiting a 
superconducting onset temperature greater than 26°K, 

means for maintaining said composition to said superconducting state at a temperature 
greater than 26°K and less than said superconducting onset temperature, and 

means for passing an electrical current through said composition while said composition 
is in said superconducting state. 



Serial No. 08/479,810 



Page 16 of 87 



Docket No. YO987-074BZ 



CLAIM 87 (Currently Amended) The mothod apparatus of claim 86, where said transition 
metal is copper. 

CLAIM 88 (Currently Amended) A mothod, i nc l ud i ng tho stops of An apparatus 
comprising : 

form i ng a composition exhibiting a superconductive state at a temperature in excess of 
26°K, 

a cooler for cooling said composition to a temperature in excess of 26°K at which 
temperature said composition exhibits said superconductive state, and 

a current source for passing an electrical current through said composition while said 
composition is in said superconductive state. 

CLAIM 89 (Currently Amended) The method apparatus of claim 88, where said 
composition is comprised of a metal oxide. 

CLAIM 90 (Currently Amended) The mota l apparatus of claim 88, where said composition 
is comprised of a transition metal oxide. 

CLAIM 91 (Previously Presented) A combination, comprising: 

a composition exhibiting the onset of a DC substantially zero resistance state at an onset 
temperature in excess of 30°K, and 

means for passing an electrical current through said composition while it is in said 
substantially zero resistance state. 

CLAIM 92 (Previously Presented) The combination of claim 91 , where said composition is 
a copper oxide. . 



Serial No. 08/479,810 



Page 17 of 87 



Docket No. YO987-074BZ 



CLAIM 93 (Previously Presented) An apparatus, comprising: 

a mixed copper oxide material exhibiting an onset of superconductivity at an onset 
temperature greater than 26°K, and 

means for producing an electrical current through said copper oxide material while it is in 
a superconducting state at a temperature in excess of 26°K. 

CLAIM 94 (Previously Presented) The apparatus of claim 93, where said copper oxide 
material exhibits a layer-like crystalline structure. 

CLAIM 95 (Previously Presented) The apparatus of claim 93, where said copper oxide 
material exhibits a mixed valence state. 

CLAIM 96 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition comprising a copper-oxide compound having a layer-type 
perovskite-like crystal structure, the composition having a superconductor transition 
temperature T c of greater than 26°K; 

(b) means for maintaining the superconductor element at a temperature above 26°K and 
below the superconductor transition temperature T c of the superconductive composition; 
and 

(c) means for causing an electric current to flow in the superconductor element. 



Serial No. 08/479,810 



Page 18 of 87 



Docket No. YO987-074BZ 



CLAIM 97 (Previously Presented) The superconductive apparatus according to claim 96 
in which the copper-oxide compound of the superconductive composition includes at 
least one rare-earth or rare-earth-like element and at least one alkaline-earth element. 

CLAIM 98 (Previously Presented) The superconductive apparatus according to claim 97 
in which the rare-earth or rare-earth-like element is lanthanum. 

CLAIM 99 (Previously Presented) The superconductive apparatus according to claim 97 
in which the alkaline-earth element is barium. 

CLAIM 100 (Previously Presented) The superconductive apparatus according to claim 96 
in which the copper-oxide compound of the superconductive composition includes mixed 
valent copper ions. 

CLAIM 101 (Previously Presented) The superconductive apparatus according to claim 

100 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 102 (Previously Presented) The superconductive apparatus according to claim 

101 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 103 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the copper-oxide compound including at 
least one rare-earth or rare-earth-like element and at least one alkaline-earth element, the 
composition having a superconductive/resistive transition defining a 
superconductive/resistive-transition temperature range between an upper limit defined by 



Serial No. 08/479,810 



Page 19 of 87 



Docket No. YO987-074BZ 



a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T^ =0J the transition-onset 
temperature T c being greater than 26°K; 

(b) means for maintaining the superconductor element at a temperature below the 
effectively-zero-bulk-resistivity intercept temperature T p = 0 oi the superconductive 
composition; and 

(c) means for causing an electric current to flow in the superconductor element. 

CLAIM 104 (Previously Presented) The superconductive apparatus according to claim 
103 in which the rare-earth or rare-earth-like element is lanthanum. 

CLAIM 105 (Previously Presented) The superconductive apparatus according to claim 
103 in which the alkaline-earth element is barium. 

CLAIM 106 (Previously Presented) The superconductive apparatus according to claim 
103 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 107 (Previously Presented) The superconductive apparatus according to claim 

106 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 108 (Previously Presented) The superconductive apparatus according to claim 

107 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 109 (Currently Amended) A superconductive apparatus comprising a composition 
having a transition temperature greater than 26°K, the composition including a rare earth 
or alkaline earth element, a transition metal element capable of exhibiting multivalent 



Serial No. 08/479,810 



Page 20 of 87 



Docket No. YO987-074BZ 



states and oxygen, including at least one phase that exhibits superconductivity at 
temperature in excess of 26°K A means for maintaining said composition at said 
temperature to exhibit said superconductivity and means for passing an electrical 
superconducting current through said composition while exhibiting said 
superconductivity. 

CLAIM 110 (Previously Presented) The combination of claim 15, where said additional 
element is rare earth or alkaline earth element. 

CLAIM 1 1 1 (Previously Presented) A device comprising a superconducting transition 
metal oxide having a superconductive onset temperature greater than 26°K , said 
superconducting transition metal oxide being at a temperature less than said 
superconducting onset temperature and having a superconducting current flowing 
therein. 

CLAIM 112 (Previously Presented) A device comprising a superconducting copper oxide 
having a superconductive onset temperature greater than 26°K, said superconducting 
copper oxide being at a temperature less than said superconducting onset temperature 
and having a superconducting current flowing therein. 

CLAIM 113 (Previously Presented) A device comprising a superconducting oxide 
composition having a superconductive onset temperature greater than 26°K, said 
superconducting copper oxide being at a temperature less than said superconducting 
onset temperature and having a superconducting current flowing therein, said 
composition comprising at least one each of rare earth, an alkaline earth, and copper. 

CLAIM 114 (Previously Presented) A device comprising a superconducting oxide 
composition having a superconductive onset temperature greater than 26°K , said 
superconducting copper oxide being at a temperature less than said superconducting 
onset temperature and having a superconducting current flowing therein, said 



Serial No. 08/479,810 



Page 21 of 87 



Docket No. YO987-074BZ 



composition comprising at least one each of a group 1MB element, an alkaline earth, and 
copper. 

CLAIM 115 (Previously Presented) A device comprising a transition metal oxide having a 
T c greater than 26°K carrying a superconducting current said transition metal oxide is 
maintained at a temperature less than said T c . 

CLAIM 116 (Previously Presented) An apparatus comprising a transition metal oxide 
having a T c greater than 26°K carrying a superconducting current said transition metal 
oxide is maintained at a temperature less than said T c . 

CLAIM 1 17 (Previously Presented) A structure comprising a transition metal oxide having 
a T c greater than 26°K carrying a superconducting current. 

CLAIM 118 (Currently Amended) An invent i on apparatus comprising a transition metal 
oxide having a T c greater than 26°K carrying a superconducting current. 

CLAIM 119 (Previously Presented) A device comprising a copper oxide having a T c 
greater than 26°K carrying a superconducting current said copper oxide is maintained at a 
temperature less than said T c . 

CLAIM 120 (Previously Presented) An apparatus comprising a copper oxide having a T c 
greater than 26°K carrying a superconducting current said copper oxide is maintained at a 
temperature less than said T c . 

CLAIM 121 (Previously Presented) A device comprising a copper oxide having a T c 
greater than 26°K carrying a superconducting current. 

CLAIM 122 (Currently Amended) An inv e nt i on apparatus comprising a copper oxide 
having a T c greater than 26°K carrying a superconducting current. 



Serial No. 08/479,810 



Page 22 of 87 



Docket No. YO987-074BZ 



CLAIM 123 (Previously Presented) A superconductive apparatus comprising: 

a composition of the formula Ba x La x -5Cu 5 OY wherein x is from about 0.75 to about 1 and 
y is the oxygen deficiency resulting from annealing said composition at temperatures from 
about 540°C to about 950°C and for times of about 15 minutes to about 12 hours, said 
composition having a metal oxide phase which exhibits a superconducting state at a 
critical temperature in excess of 26°K; 

a means for maintaining the temperature of said composition at a temperature less than 
said critical temperature to induce said superconducting state in said metal oxide phase; 
and 

a means for passing an electrical current through said composition while said metal oxide 
phase is in said superconducting state. 

CLAIM 124 (Previously Presented) A device comprising a composition of matter having a 
T c greater than 26°K carrying a superconducting current, said composition comprising at 
least one each of a 1MB element, an alkaline earth, and copper oxide said device is 
maintained at a temperature less than said T c . 

CLAIM 125 (Previously Presented) An apparatus comprising a composition of matter 
having a T c greater than 26°K carrying a superconducting current, said composition 
comprising at least one each of a rare earth, an alkaline earth, and copper oxide. 

CLAIM 126 (Previously Presented) A device comprising a composition of matter having a 
T c greater than 26°K carrying a superconducting current, said composition comprising at 
least one each of a rare earth, and copper oxide. 

CLAIM 127 (Previously Presented) A device comprising a composition of matter having a 
T c greater than 26°K carrying a superconducting current, said composition comprising at 
least one each of a NIB element, and copper oxide. 



Serial No. 08/479,810 



Page 23 of 87 



Docket No. YO987-074BZ 



CLAIM 128 (Previously Presented) A transition metal oxide device comprising a T c >26°K 
and carrying a superconducting current. 

CLAIM 129 (Previously Presented) A copper oxide device comprising a Tc >26°K and 
carrying a superconducting current. 

CLAIM 130 (Previously Presented) A superconductive apparatus comprising a 
composition having a transition temperature greater than 26°K, the composition including 
a rare earth or Group III B element, a transition metal element capable of exhibiting 
multivalent states and oxygen, including at least one phase that exhibits 
superconductivity at temperature in excess of 26°K, a means for maintaining said 
composition at said temperature to exhibit said superconductivity and means for passing 
an electrical superconducting current through said composition which exhibiting said 
superconductivity. 

CLAIM 131 (Previously Presented) The combination of claim 15, where said additional 
element is a rare earth or Group III B element. 

CLAIM 132 (Previously Presented) The combination of claim 12, where said composition 
includes a substantially perovskite superconducting phase. 

CLAIM 133 (Previously Presented) The superconducting apparatus of claim 27, where 
said substituted Cu-oxide includes a rare earth or Group III B element. 

CLAIM 134 (Previously Presented) The combination of claim 71 , where said mixed 
copper oxide further includes a rare earth or Group III B element. 



Serial No. 08/479,810 



Page 24 of 87 



Docket No. YO987-074BZ 



CLAIM 135 (Previously Presented) A combination, comprising: 

a mixed copper oxide composition including an alkaline earth element (AE) 
and a rare earth or Group III B element (RE), said composition having a 
substantially layered crystalline structure and multi-valent oxidation states, 
said composition exhibiting a substantially zero resistance to the flow of 
electrical current therethrough when in a superconducting state at a 
temperature in excess of 26°K, said mixed copper oxide having a 
superconducting onset temperature greater than 26°K and, 

electrical means for passing an electrical superconducting current through 
said composition when said composition exhibits substantially zero 
resistance at a temperature greater than 26°K and less than said onset 
temperature. 

CLAIM 136 (Previously Presented) The combination of claim 77, where said crystalline 
structure is substantially perovskite. 

CLAIM 137 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a rare earth or Group III B element, an alkaline 
earth element, and oxygen, where said composition is a mixed transition metal oxide 
having a non-stoichimetric amount of oxygen therein and exhibiting a superconducting 
state at a temperature greater than 26°K, 

means for maintaining said composition in said superconducting state at a temperature 
greater than 26°K, and less than said superconducting onset temperature, and 

means for passing an electrical current through said composition while said composition 
is in said superconducting state. 



Serial No. 08/479,810 



Page 25 of 87 



Docket No. YO987-074BZ 



CLAIM 138 (Previously Presented) The apparatus of claim 93, where said copper oxide 
material exhibits a substantially layered crystalline structure. 

CLAIM 139 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
composition having a superconductor transition temperature T c of greater 
than 26°K; 

(b) means for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) means for causing an electric current to flow in the superconductor 
element. 

CLAIM 140 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
copper-oxide compound including at least one rare-earth or Group III B 
element and at least one alkaline-earth element, the composition having a 
superconductive/resistive transition defining a 

superconductive/resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature T c and a lower limit defined 



Serial No. 08/479,810 



Page 26 of 87 



Docket No. YO987-074BZ 



by an effectively-zero-bulk-resistivity intercept temperature T r=0 , the 
transition-onset temperature T c being greater than 26°K; 

(b) means for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk- resistivity intercept temperature T r=0 of the 
superconductive composition; and 

(c) means for causing an electric current to flow in the superconductor 
element. 

CLAIM 141 (Previously Presented) An apparatus comprising a transition metal oxide 
having a phase therein which exhibits a superconducting state at a critical temperature in 
excess of 26°K, 

a temperature controller maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase, 
and 

a current source passing an electrical supercurrent through said transition metal oxide 
while it is in said superconducting state. 

CLAIM 142 (Previously Presented) The apparatus of claim 141 , where said transition 
metal oxide is comprised of a transition metal capable of exhibiting multivalent states. 

CLAIM 143 (Previously Presented) The apparatus of claim 141 , where said transition 
metal oxide is comprised of a Cu oxide. 



Serial No. 08/479,810 



Page 27 of 87 



Docket No. YO987-074BZ 



CLAIM 144 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a rare earth or rare earth-like 
element, an alkaline earth element, and oxygen, where said composition is 
a mixed transition metal oxide having a non-stoichiometric amount of 
oxygen therein and exhibiting a superconducting state at a temperature 
greater than 26°K, 

a temperature controller maintaining said composition in said 
superconducting state at a temperature greater than 26°K, and 

a current source passing an electrical current through said composition 
while said composition is in said superconducting state. 

CLAIM 145 (Currently Amended) The method apparatus of claim 144, where said 
transition metal is copper. 

CLAIM 146 (Previously Presented) An apparatus: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K, 

a temperature controller maintaining said composition at a temperature in excess of 26°K 
at which temperature said composition exhibits said superconductive state, and 

a current source passing an electrical current through said composition while said 
composition is in said superconductive state. 

CLAIM 147 (Previously Presented) The apparatus of claim 146, where said composition 
is comprised of a metal oxide. 



Serial No. 08/479,810 



Page 28 of 87 



Docket No. YO987-074BZ 



CLAIM 148 (Previously Presented) The apparatus of claim 146, where said composition 
is comprised of a transition metal oxide. 

CLAIM 149 (Previously Presented) A superconductive apparatus for causing electric 
current flow in a superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
composition having a superconductor transition temperature T c of greater 
than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

(c) causing an electric current to flow in the superconductor element. 

CLAIM 150 (Previously Presented) The superconductive apparatus according to claim 

149 in which the copper-oxide compound of the superconductive composition includes at 
least one rare-earth or rare-earth-like element and at least one alkaline-earth element. 

CLAIM 151 (Previously Presented) The superconductive apparatus according to claim 

150 in which the rare-earth or rare-earth-like element is lanthanum. 

CLAIM 152 (Previously Presented) The superconductive apparatus according to claim 
150 in which the alkaline-earth element is barium. 

CLAIM 153 (Previously Presented) The superconductive apparatus according to claim 
149 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 



Serial No. 08/479,810 



Page 29 of 87 



Docket No. YO987-074BZ 



CLAIM 154 (Previously Presented) The superconductive apparatus according to claim 

153 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 155 (Previously Presented) The superconductive apparatus according to claim 

154 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 156 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
copper-oxide compound including at least one rare-earth or rare-earth-like 
element and at least one alkaline-earth element, the composition having a 
superconductive/resistive-transition defining a 

superconductive/resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 



Serial No. 08/479,810 



Page 30 of 87 



Docket No. YO987-074BZ 



CLAIM 157 (Previously Presented) The superconductive apparatus according to claim 
156 in which the rare-earth or rare-earth-like element is lanthanum. 

CLAIM 158 (Previously Presented) The superconductive apparatus according to claim 
156 in which the alkaline-earth element is barium. 

CLAIM 159 (Previously Presented) The superconductive apparatus according to claim 
156 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 160 (Previously Presented) The superconductive apparatus according to claim 

159 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 161 (Previously Presented) The superconductive apparatus according to claim 

160 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 162 (Previously Presented) An apparatus including copper oxide having a phase 
therein which exhibits a superconducting state at a critical temperature in excess of 26°K; 

a temperature controller maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a current source passing an electrical supercurrent through said copper oxide while it is in 
said superconducting state; 

said copper oxide includes at least one element selected from the group consisting of a 
Group II A element, a rare earth element and a Group III B element. 



Serial No. 08/479,810 



Page 31 of 87 



Docket No. YO987-074BZ 



CLAIM 163 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen and any element selected from the group 
consisting of a Group II A element, a rare earth element and a Group III B element, where 
said composition is a mixed copper oxide having a non-stoichiometric amount of oxygen 
therein and exhibiting a superconducting state at a temperature greater than 26°K; 

a temperature controller maintaining said composition in said superconducting state at a 
temperature greater than 26°K; and 

a current source passing an electrical current through said composition while said 
composition is in said superconducting state. 

CLAIM 164 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature controller maintaining said composition at a temperature in excess of 26°K 
at which temperature said composition exhibits said superconductive state; 

a current source passing an electrical current through said composition while said 
composition is in said superconductive state; and 

said composition including a copper oxide and an element selected from the group 
consisting of Group II A element, a rare earth element and a Group 1MB element. 



Serial No. 08/479,810 



Page 32 of 87 



Docket No. YO987-074BZ 



CLAIM 165 (Previously Presented) An apparatus for causing electric-current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
composition having a superconductive transition temperature T c of greater 
than 26°K, said superconductive composition includes at least one element 
selected from the group consisting of a Group II A element, a rare earth 
element; and a Group III B element; 

(b) a temperature controller maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 166 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
copper-oxide compound including at least one element selected from the 
group consisting of a Group II A element, a rare earth element and a Group 
NIB element, the composition having a superconductive/resistive transition 
defining a superconductive/resistive-transition temperature range between 
an upper limit defined by a transition-onset temperature T c and a lower limit 
defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c being greater than 26°K; 



Serial No. 08/479,810 



Page 33 of 87 



Docket No. YO987-074BZ 



(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 167 (Previously Presented) An apparatus comprising: 

a copper oxide having a phase therein which exhibits a superconducting state at a critical 
temperature in excess of 26°K; 

a temperature controller maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a current source passing an electrical supercurrent through said copper oxide while it is in 
said superconducting state; 

said copper oxide includes an element selected from the group consisting of a Group II A 
element and at least one element selected from the group consisting of a rare earth 
element and a Group III B element. 

CLAIM 168 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group II A element and at least one element selected from the 
group consisting of a rare earth element and a Group III B element, where said 
composition is a mixed copper oxide having a non-stoichiometric amount of oxygen 
therein and exhibiting a superconducting state at a temperature greater than 26°K; 



Serial No. 08/479,810 



Page 34 of 87 



Docket No. YO987-074BZ 



a temperature controller maintaining said composition in said superconducting state at a 
temperature greater than 26°K; and 

a current source passing an electrical current through said composition while said 
composition is in said superconducting state. 

CLAIM 169 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature controller maintaining said composition at a temperature in excess of 26°K 
at which temperature said composition exhibits said superconductive state; 

a current source passing an electrical current through said composition while said 
composition is in said superconductive state; and 

said composition including a copper oxide and at least one element selected from the 
group consisting of Group II A and at least one element selected from the group 
consisting of a rare earth element and a Group III B element. 

CLAIM 170 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
composition having a superconductive transition temperature T c of greater 
than 26°K, said superconductive composition includes at least one element 
selected from the group consisting of a Group II A element and at least one 



Serial No. 08/479,810 



Page 35 of 87 



Docket No. YO987-074BZ 



element selected from the group consisting of a rare earth element and a 
Group III B element; 

(b) a temperature controller maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 171 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a layer-type perovskite-like crystal structure, the 
copper-oxide compound including at least one element selected from the 
group consisting of a Group II A element and at least one element selected 
from the group consisting of a rare earth element and a Group III B element, 
the composition having a superconductive/resistive transition defining a 
superconductive-resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature T c and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 



Serial No. 08/479,810 



Page 36 of 87 



Docket No. YO987-074BZ 



CLAIM 172 (Previously Presented) An apparatus comprising: 

a transition metal oxide having a phase therein which exhibits a superconducting state at 
a critical temperature in excess of 26°K; 

a temperature controller maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a current source passing an electrical supercurrent through said copper oxide while it is in 
said superconducting state; 

said transitional metal oxide includes at least one element selected from the group 
consisting of a Group II A element and at least one element selected from the group 
consisting of a rare earth element and a Group III B element. 

CLAIM 173 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, oxygen and an element selected from the 
group consisting of a Group II A element and at least one element selected from the group 
consisting of a rare earth element and a Group III B element, where said composition is a 
mixed transitional metal oxide formed from said transition metal and said oxygen, said 
mixed transition metal oxide having a non-stoichiometric amount of oxygen therein and 
exhibiting a superconducting state at a temperature greater than 26°K; 

a temperature controller maintaining said composition in said superconducting state at a 
temperature greater than 26°K; and 

a current source passing an electrical current through said composition while said 
composition is in said superconducting state. 



Serial No. 08/479,810 



Page 37 of 87 



Docket No. YO987-074BZ 



CLAIM 174 (Previously Presented) An apparatus: 

forming a composition exhibiting a superconductive state at a temperature in excess of 
26°K; 

a temperature controller maintaining said composition at a temperature in excess of 26°K 
at which temperature said composition exhibits said superconductive state; 

a current source passing an electrical current through said composition while said 
composition is in said superconductive state; and 

said composition including a transitional metal oxide and at least one element selected 
from the group consisting of Group II A element and at least one element selected from 
the group consisting of a rare earth element and a Group III B element. 

CLAIM 175 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal oxide compound 
having a layer-type perovskite-like crystal structure, the composition having a 
superconductive transition temperature T c of greater than 26°K, said superconductive 
composition includes an element selected from the group consisting of a Group II A 
element and at least one element selected from the group consisting of a rare earth 
element and a Group III B element; 

(b) a temperature controller maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition T c of the superconductive 
composition; and 



Serial No. 08/479,810 



Page 38 of 87 



Docket No. YO987-074BZ 



(c) a current source causing an electric current to flow in the superconductor element. 

CLAIM 176 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide compound 
having a layer-type perovskite-like crystal structure, the transition metal-oxide compound 
including at least one element selected from the group consisting of a Group II A element 
and at least one element selected from the group consisting of a rare earth element and a 
Group III B element, the composition having a superconductive/resistive transition 
defining a superconductive/resistive-transition temperature range between an upper limit 
defined by a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a temperature 
below the effectively-zero-bulk- resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor element. 
CLAIM 177 (Previously Presented) An apparatus comprising: 

a copper oxide having a phase therein which exhibits a superconducting state at a critical 
temperature in excess of 26°K; 

a temperature controller maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 



Serial No. 08/479,810 



Page 39 of 87 



Docket No. YO987-074BZ 



a current source passing an electrical supercurrent through said copper oxide while it is in 
said superconducting state; 

said copper oxide includes at least one Group II A element, and at least one element 
selected from the group consisting of a rare earth element and a Group NIB element. 

CLAIM 178 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen , a Group II A element and at least one element 
selected from the group consisting of a rare earth element and a Group III B element, 
where said composition is a mixed copper oxide having a non-stoichiometric amount of 
oxygen therein and exhibiting a superconducting state at a temperature greater than 
26°K; 

a temperature controller maintaining said composition in said superconducting state at a 
temperature greater than 26°K; and 

a current source passing an electrical current through said composition while said 
composition is in said superconducting state. 

CLAIM 179 (Previously Presented) A structure comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature controller maintaining said composition at a temperature in excess of 26°K 
at which temperature said composition exhibits said superconductive state; 

a current source passing an electrical current through said composition while said 
composition is in said superconductive state; and 



Serial No. 08/479,810 



Page 40 of 87 



Docket No. YO987-074BZ 



said composition including a copper oxide, a Group II A element, at least one element 
selected from the group consisting of a rare earth element and a Group III B element. 

CLAIM 180 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the composition having a superconductive 
transition temperature T c of greater than 26°K, said superconductive composition 
includes a Group II A element, and at least one element selected from the group 
consisting of a rare earth element and a Group NIB element; 

(b) a temperature controller maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor element. 

CLAIM 1 81 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 
a layer-type perovskite-like crystal structure, the copper-oxide compound including Group 
II A element, and at least one element selected from the group consisting of a rare earth 
element and a Group III B element, the composition having a superconductive-resistive 
transition defining a superconductive/resistive-transition temperature range between an 
upper limit defined by a transition-onset temperature T c and a lower limit defined by an 



Serial No. 08/479,810 



Page 41 of 87 



Docket No. YO987-074BZ 



effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor element. 

CLAIM 182 (Previously Presented) An apparatus comprising a composition having a 
transition temperature greater than 26°K, the composition including a rare earth or 
alkaline earth element, a transition metal element capable of exhibiting multivalent states 
and oxygen, including at least one phase that exhibits superconductivity at temperature in 
excess of 26°K, a temperature controller maintaining said composition at said 
temperature to exhibit said superconductivity and a current source passing an electrical 
superconducting current through said composition with said phrase exhibiting said 
superconductivity. 

CLAIM 183 (Previously Presented) An apparatus comprising a superconducting transition 
metal oxide having a superconductive onset temperature greater than 26°K, a 
temperature controller maintaining said superconducting transition metal oxide at a 
temperature less than said superconducting onset temperature and a current source 
flowing a superconducting current therein. 

CLAIM 184 (Previously Presented) An apparatus comprising a superconducting copper 
oxide having a superconductive onset temperature greater than 26°K, a temperature 
controller maintaining said superconducting copper oxide at a temperature less than said 
superconducting onset temperature and a current source flowing a superconducting 
current in said superconducting oxide. 



Serial No. 08/479,810 



Page 42 of 87 



Docket No. YO987-074BZ 



CLAIM 185 (Previously Presented) An apparatus comprising a superconducting oxide 
composition having a superconductive onset temperature greater than 26°K, a 
temperature controller maintaining said superconducting copper oxide at a temperature 
less than said superconducting onset temperature and a current source flowing a 
superconducting current therein, said composition comprising at least one each of rare 
earth, an alkaline earth, and copper. 

CLAIM 186 (Previously Presented) An apparatus comprising a superconducting oxide 
composition having a superconductive onset temperature greater than 26°K, a 
temperature controller maintaining said superconducting copper oxide at a temperature 
less than said superconducting onset temperature and a current source flowing a 
superconducting electrical current therein, said composition comprising at least one each 
of a Group III B element, an alkaline earth, and copper. 

CLAIM 187 (Previously Presented) An apparatus comprising a superconducting electrical 
current in a transition metal oxide having a T c greater than 26°K and maintaining said 
transition metal oxide at a temperature less than said T c . 

CLAIM 188 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting current in a copper oxide having a T c greater than 26°K and a 
temperature controller maintaining said copper oxide at a temperature less than said T c . 

CLAIM 189 (Currently Amended) An apparatus comprising th e st e ps of : 

a composition of the formula Ba x La x -5, Cu50Y, wherein x is from about 0.75 to about 1 and 
y is the oxygen deficiency resulting from annealing said composition at temperatures from 
about 540°C to about 950°C and for times of about 15 minutes to about 12 hours, said 
composition having a metal oxide phase which exhibits a superconducting state at a 
critical temperature in excess of 26°K; 



Serial No. 08/479,810 



Page 43 of 87 



Docket No. YO987-074BZ 



a temperature controller maintaining the temperature of said composition at a 
temperature less than said critical temperature to induce said superconducting state in 
said metal oxide phase; and 

a current source passing an electrical current through said composition while said metal 
oxide phase is in said superconducting state. 

CLAIM 190 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c greater than 
26°K, said composition comprising at least one each of a Group III B element, an alkaline 
earth, and copper oxide and a temperature controller maintaining said composition of 
matter at a temperature less than T c . 

CLAIM 191 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c greater than 
26°K, said composition comprising at least one each of a rare earth, alkaline earth, and 
copper oxide and a temperature controller maintaining said composition of matter at a 
temperature less than said T c . 

CLAIM 192 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c greater than 
26°K, said composition comprising at least one each of a rare earth, and copper oxide 
and a temperature controller maintaining said composition of matter at a temperature less 
than said T c . 

CLAIM 193 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a T c greater than 
26°K carrying, said composition comprising at least one each of a Group III B element, 
and copper oxide and a temperature controller maintaining said composition of matter at 
a temperature less than said T c . 



Serial No. 08/479,810 



Page 44 of 87 



Docket No. YO987-074BZ 



CLAIM 194 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a transition metal oxide comprising a T C >26°K and a 
temperature controller maintaining said transition metal oxide at a temperature less than 
said T c . 

CLAIM 195 (Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a copper oxide composition of matter comprising a 
T C >26°K and a temperature controller maintaining said copper oxide composition of 
matter at a temperature less than said T c . 

CLAIM 196 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a Group III B element, an alkaline earth 
element, and oxygen, where said composition is a mixed transition metal oxide having a 
non-stoichiometric amount of oxygen therein and exhibiting a superconducting state at a 
temperature greater than 26°K, 

a temperature controller maintaining said composition in said superconducting state at a 
temperature greater than 26°K, and 

a current source passing an electrical current through said composition while said 
composition is in said superconducting state. 

CLAIM 197 (Previously Presented) The apparatus of claim 196, where said transition 
metal is copper. 

CLAIM 198 (Previously Presented) A superconductive apparatus for causing electric 
current flow in a superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound having 



Serial No. 08/479,810 



Page 45 of 87 



Docket No. YO987-074BZ 



a substantially layered perovskite crystal structure, the composition having a 
superconductor transition temperature T c of greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor element. 

CLAIM 199 (Previously Presented) The superconductive apparatus according to claim 

198 in which the copper-oxide compound of the superconductive composition includes at 
least one element selected from the group consisting of a rare-earth element, a Group III 
B element and an alkaline-earth element. 

CLAIM 200 (Previously Presented) The superconductive apparatus according to claim 

199 in which the rare-earth is lanthanum. 

CLAIM 201 (Previously Presented) The superconductive apparatus according to claim 
199 in which the alkaline-earth element is barium. 

CLAIM 202 (Previously Presented) The superconductive apparatus according to claim 
198 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 203 (Previously Presented) The superconductive apparatus according to claim 

202 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 204 (Previously Presented) The superconductive apparatus according to claim 

203 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 



Serial No. 08/479,810 



Page 46 of 87 



Docket No. YO987-074BZ 



CLAIM 205 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
copper-oxide compound including at least one element selected from the 
group consisting of a rare-earth element, a Group NIB element and an 
alkaline-earth element, the composition having a superconductive/resistive 
transition defining a superconductive/resistive-transition temperature range 
between an upper limit defined by a transition-onset temperature T c and a 
lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature T p=0 , the transition-onset temperature T c being greater than 
26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 206 (Previously Presented) The superconductive apparatus according to claim 
205 in which said at least one element is lanthanum. 

CLAIM 207 (Previously Presented) The superconductive apparatus according to claim 
205 in which the alkaline-earth element is barium. 



Serial No. 08/479,810 



Page 47 of 87 



Docket No. YO987-074BZ 



CLAIM 208 (Previously Presented) The superconductive apparatus according to claim 
205 in which the copper-oxide compound of the superconductive composition includes 
mixed valent copper ions. 

CLAIM 209 (Previously Presented) The superconductive apparatus according to claim 

208 in which the copper-oxide compound includes at least one element in a 
nonstoichiometric atomic proportion. 

CLAIM 210 (Previously Presented) The superconductive apparatus according to claim 

209 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM 21 1 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
composition having a superconductive transition temperature T c of greater 
than 26°K, said superconductive composition includes at least one element 
selected from the group consisting of a Group II A element, a rare earth 
element; and a Group III B element; 

(b) a temperature controller maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 



Serial No. 08/479,810 



Page 48 of 87 



Docket No. YO987-074BZ 



CLAIM 212 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

1(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
copper-oxide compound including at least one element selected from the 
group consisting of a Group II A element, a rare earth element and a Group 
1MB element, the composition having a superconductive/resistive transition 
defining a superconductive/resistive-transition temperature range between 
an upper limit defined by a transition-onset temperature T c and a lower limit 
defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 213 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
composition having a superconductive transition temperature T c of greater 
than 26°K, said superconductive composition includes a Group II A element 
and at least one element selected from the group consisting of a rare earth 
element and a Group III B element; 



Serial No. 08/479,810 



Page 49 of 87 



Docket No. YO987-074BZ 



(b) a temperature controller maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition 
temperature T c of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 214 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide 
compound having a substantially layered perovskite crystal structure, the 
copper-oxide compound including a Group II A element and at least one 
element selected from the group consisting of a rare earth element and a 
Group NIB element, the composition having a superconductive/resistive 
transition defining a superconductive-resistive-transition temperature range 
between an upper limit defined by a transition-onset temperature T c and a 
lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature T p=0 , the transition-onset temperature T c being greater than 
26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 



Serial No. 08/479,810 



Page 50 of 87 



Docket No. YO987-074BZ 



CLAIM 215 (Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal 
oxide compound having a substantially layered perovskite crystal structure, 
the composition having a superconductive transition temperature T c of 
greater than 26°K, said superconductive composition includes a Group II A 
element and at least one element selected from the group consisting of a 
rare earth element and a Group III B element; 

(b) a temperature controller maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition T c of the 
superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 216 (Previously Presented) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive 
composition, the superconductive composition consisting essentially of a 
transition metal-oxide compound having a substantially layered perovskite 
crystal structure, the transition metal-oxide compound including a Group II 
A element and at least one element selected from the group consisting of a 
rare earth element and a Group III B element, the composition having a 
superconductive/resistive transition defining a 

superconductive/resistive-transition temperature range between an upper 
limit defined by a transition-onset temperature T c and a lower limit defined 



Serial No. 08/479,810 



Page 51 of 87 



Docket No. YO987-074BZ 



by an effectively-zero-bulk-resistivity intercept temperature T p=0 , the 
transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature T p=0 of the superconductive composition; and 

(c) a current source causing an electric current to flow in the superconductor 
element. 

CLAIM 217 (Previously Presented) An apparatus according to claim 182 wherein said 
composition comprises a substantially layered perovskite crystal structure. 

CLAIM 218 (Previously Presented) An apparatus according to claim 183 wherein said 
superconducting transistor metal oxide comprises a substantially layered perovskite 
crystal structure. 

CLAIM 219 (Previously Presented) An apparatus according to claim 184 wherein said 
superconducting copper oxide comprises a substantially layered perovskite crystal 
structure. 

CLAIM 220 (Previously Presented) An apparatus according to claim 185 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 
structure. 

CLAIM 221 (Previously Presented) An apparatus according to claim 186 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 
structure. 

CLAIM 222 (Previously Presented) An apparatus according to claim 187 wherein said 
transistor metal oxide comprises a substantially layered perovskite crystal structure. 



Serial No. 08/479,810 



Page 52 of 87 



Docket No. YO987-074BZ 



CLAIM 223 (Previously Presented) An apparatus according to claim 188 wherein said 
copper oxide comprises a substantially layered perovskite crystal structure. 

CLAIM 224 (Previously Presented) An apparatus according to claim 189 wherein said 
composition comprises a substantially layered perovskite crystal structure. 

CLAIM 225 (Previously Presented) An apparatus according to claim 190 wherein said 
composition of matter comprises a substantially layered perovskite crystal structure. 

CLAIM 226 (Previously Presented) An apparatus according to claim 191 wherein said 
composition of matter comprises substantially layered perovskite crystal structure. 

CLAIM 227 (Previously Presented) An apparatus according to claim 192 wherein said 
composition of matter comprises a substantially layered perovskite crystal structure. 

CLAIM 228 (Previously Presented) An apparatus according to claim 193 wherein said 
composition of matter comprises substantially layered perovskite crystal structure. 

CLAIM 229 (Previously Presented) An apparatus according to claim 194 wherein said 
transistor metal oxide comprises substantially layered perovskite crystal structure. 

CLAIM 230 (Previously Presented) An apparatus according to claim 195 wherein said 
copper oxide composition comprises substantially layered perovskite crystal structure. 

CLAIM 231 (Previously Presented) An apparatus comprising a composition of matter 
having a T c greater than 26°K carrying a superconducting current, said composition 
comprising at least one each of a rare earth, an alkaline earth, and copper oxide. 



Serial No. 08/479,81 0 Page 53 of 87 Docket No. YO987-074BZ 



CLAIM 232 (Previously Presented) An apparatus comprising: 

a transition metal oxide comprising a phase therein which exhibits a superconducting 
state at a critical temperature in excess of 26°K, 

a temperature controller for maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase, 
and 

a source of an electrical supercurrent through said transition metal oxide while it is in said 
superconducting state. 

CLAIM 233 (Previously Presented) An apparatus according to claim 232, where said 
transition metal oxide is comprised of a transition metal capable of exhibiting multivalent 
states. 

CLAIM 234 (Previously Presented) An apparatus according to claim 232, where said 
transition metal oxide is comprised of a Cu oxide. 

CLAIM 235 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a rare earth or rare earth-like element, an 
alkaline earth element, and oxygen, where said composition is a mixed transition metal 
oxide comprising a non-stoichiometric amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than 26°K, 

a temperature controller for maintaining said composition in said superconducting state at 
a temperature greater than 26°K, and 

a source of an electrical current through said composition while said composition is in said 
superconducting state. 



Serial No. 08/479,810 



Page 54 of 87 



Docket No. YO987-074BZ 



CLAIM 236 (Previously Presented) An apparatus according to claim 235, where said 
transition metal is copper. 

CLAIM 237 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K, a 
temperature controller for maintaining said composition at a temperature in excess of 
26°K at which temperature said composition exhibits said superconductive state, and 

a source of an electrical current through said composition while said composition is in said 
superconductive state. 

CLAIM 238 (Previously Presented) An apparatus according to claim 237, where said 
composition is comprised of a metal oxide. 

CLAIM 239 (Previously Presented) An apparatus according to claim 238, where said 
composition is comprised of a transition metal oxide. 

CLAIM 240 (Previously Presented) An apparatus capable of carrying electric current flow 
in a superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductor transition temperature T c of greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 



Serial No. 08/479,810 



Page 55 of 87 



Docket No. YO987-074BZ 



(c) a source of an electric current to flow in the superconductor element. 

CLAIM 241 (Previously Presented) An apparatus according to claim 240 in which the 
copper-oxide compound of the superconductive composition includes at least one 
rare-earth or rare-earth-like element and at least one alkaline-earth element. 

CLAIM 242 (Previously Presented) An apparatus according to claim 241 in which the 
rare-earth or rare-earth-like element is lanthanum. 

CLAIM 243 (Previously Presented) An apparatus according to claim 241 in which the 
alkaline-earth element is barium. 

CLAIM 244 (Previously Presented) An apparatus according to claim 240 in which the 
copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 

CLAIM 245 (Previously Presented) An apparatus according to claim 244 in which the 
copper-oxide compound includes at least one element in a nonstoichiometric atomic 
proportion. 

CLAIM 246 (Previously Presented) An apparatus according to claim 245 in which oxygen 
is present in the copper-oxide compound in a nonstoichiometric atomic proportion. 

CLAIM 247 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the copper-oxide compound 
including at least one rare-earth or rare-earth-like element and at least one alkaline-earth 
element, the composition comprising a superconductive/resistive transition defining a 



Serial No. 08/479,810 



Page 56 of 87 



Docket No. YO987-074BZ 



superconductive/resistive-transition temperature range between an upper limit defined by 
a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 248 (Previously Presented) An apparatus according to claim 247 in which the 
rare-earth or rare-earth-like element is lanthanum. 

CLAIM 249 (Previously Presented) An apparatus according to claim 247 in which the 
alkaline-earth element is barium. 

CLAIM 250 (Previously Presented) An apparatus according to claim 247 in which the 
copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 

CLAIM 251 (Previously Presented) An apparatus according to claim 250 in which the 
copper-oxide compound includes at least one element in a nonstoichiometric atomic 
proportion. 

CLAIM 252 (Previously Presented) An apparatus according to claim 251 in which oxygen 
is present in the copper-oxide compound in a nonstoichiometric atomic proportion. 



Serial No. 08/479,810 



Page 57 of 87 



Docket No. YO987-074BZ 



CLAIM 253 (Previously Presented) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature in excess of 26°K; 

a temperature controller for maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a source of an electrical supercurrent through said copper oxide while it is in said 
superconducting state; 

said copper oxide includes at least one element selected from the group consisting of a 
Group II A element, a rare earth element and a Group III B element. 

CLAIM 254 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of a Group II A element, a rare earth element and a Group III B element, where 
said composition is a mixed copper oxide comprising a non-stoichiometric amount of 
oxygen therein and exhibiting a superconducting state at a temperature greater than 
26°K; 

a temperature controller for maintaining said composition in said superconducting state at 
a temperature greater than 26°K; and 

a source of an electrical current through said composition while said composition is in said 
superconducting state. 



Serial No. 08/479,810 



Page 58 of 87 



Docket No. YO987-074BZ 



CLAIM 255 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature controller for maintaining said composition at a temperature in excess of 
26°K at which temperature said composition exhibits said superconductive state; 

a source of an electrical current through said composition while said composition is in said 
superconductive state; and 

said composition including a copper oxide and an element selected from the group 
consisting of Group II A element, a rare earth element and a Group III B element. 

CLAIM 256 (Previously Presented) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductive transition temperature T c of greater than 26°K, said superconductive 
composition includes at least one element selected from the group consisting of a Group 
II A element, a rare earth element; and a Group III B element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 



Serial No. 08/479,810 



Page 59 of 87 



Docket No. YO987-074BZ 



CLAIM 257 (Previously Presented) An apparatus capable of carrying an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a Group II A element, 
a rare earth element and a Group III B element, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature T c 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0j 
the transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 
CLAIM 258 (Previously Presented) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature in excess of 26°K; 

a temperature controller for maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a source of an electrical supercurrent through said copper oxide while it is in said 
superconducting state; 



Serial No. 08/479,810 



Page 60 of 87 



Docket No. YO987-074BZ 



said copper oxide includes at least one element selected from the group consisting of a 
Group II A element and at least one element selected from the group consisting of a rare 
earth element and a Group III B element. 

CLAIM 259 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group II A element and at least one element selected from the 
group consisting of a rare earth element and a Group III B element, where said 
composition is a mixed copper oxide comprising a non-stoichiometric amount of oxygen 
therein and exhibiting a superconducting state at a temperature greater than 26°K; 

a temperature for maintaining said composition in said superconducting state at a 
temperature greater than 26°K; and 

a source of an electrical current through said composition while said composition is in said 
superconducting state. 

CLAIM 260 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature for maintaining said composition at a temperature in excess of 26°K at 
which temperature said composition exhibits said superconductive state; 

a source of an electrical current through said composition while said composition is in said 
superconductive state; and 

said composition including a copper oxide and at least one element selected from the 
group consisting of Group II A and at least one element selected from the group 
consisting of a rare earth element and a Group III B element. 



Serial No. 08/479,810 



Page 61 of 87 



Docket No. YO987-074BZ 



CLAIM 261 (Previously Presented) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductive transition temperature T c of greater than 26°K, said superconductive 
composition includes at least one element selected from the group consisting of a Group 
II A element and at least one element selected from the group consisting of a rare earth 
element and a Group III B element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 262 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a Group II A element 
and at least one element selected from the group consisting of a rare earth element and a 
Group III B element, the composition comprising a superconductive/resistive transition 
defining a superconductive-resistive-transition temperature range between an upper limit 
defined by a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0 , the transition-onset 
temperature T c being greater than 26°K; 



Serial No. 08/479,810 



Page 62 of 87 



Docket No. YO987-074BZ 



(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 263 (Previously Presented) An apparatus comprising: 

a transition metal oxide comprising a phase therein which exhibits a superconducting 
state at a critical temperature in excess of 26°K; 

a temperature controller for maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a source of an electrical supercurrent through said copper oxide while it is in said 
superconducting state; 

said transitional metal oxide includes at least one element selected from the group 
consisting of a Group II A element and at lest one element selected from the group 
consisting of a rare earth element and a Group III B element. 

CLAIMS 264 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, oxygen and an element selected from the 
group consisting of at least one Group II A element and at least one element selected 
from the group consisting of a rare earth element and a Group III B element, where said 
composition is a mixed transitional metal oxide formed from said transition metal and said 
oxygen, said mixed transition metal oxide comprising a non-stoichiometric amount of 
oxygen therein and exhibiting a superconducting state at a temperature greater than 
26°K; 



Serial No. 08/479,810 



Page 63 of 87 



Docket No. YO987-074BZ 



a temperature controller for maintaining said composition in said superconducting state at 
a temperature greater than 26°K; and 

a source of an electrical current through said composition while said composition is in said 
superconducting state. 

CLAIM 265 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature controller for maintaining said composition at a temperature in excess of 
26°K at which temperature said composition exhibits said superconductive state; 

a source of an electrical current through said composition while said composition is in said 
superconductive state; and 

said composition including a transitional metal oxide and at least one element selected 
from the group consisting of Group II A element and at least one element selected from 
the group consisting of a rare earth element and a Group 1MB element. 

CLAIM 266 (Previously Presented) An apparatus capable of carrying an electric-current 
flow in a superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal oxide compound 
comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductive transition temperature T c of greater than 26°K, said superconductive 
composition includes at least one element selected from the group consisting of a Group 
II A element and at least one element selected from the group consisting of a rare earth 
element and a Group III B element; 



Serial No. 08/479,810 



Page 64 of 87 



Docket No. YO987-074BZ 



(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition T c of the superconductive 
composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 267 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide compound 
comprising a layer-type perovskite-like crystal structure, the transition metal-oxide 
compound including at least one element selected from the group consisting of a Group II 
A element and at least one element selected from the group consisting of a rare earth 
element and a Group III B element, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature T c 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0j 
the transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 
CLAIM 268 (Previously Presented) An apparatus comprising: 

a copper oxide comprising a phase therein which exhibits a superconducting state at a 
critical temperature in excess of 26°K; 



Serial No. 08/479,810 



Page 65 of 87 



Docket No. YO987-074BZ 



a temperature controller for maintaining the temperature of said material at a temperature 
less than said critical temperature to produce said superconducting state in said phase; 

a source for an electrical supercurrent through said copper oxide while it is in said 
superconducting state; 

said copper oxide includes at least one element selected from group consisting of a 
Group II A element, at least one element selected from the group consisting of a rare 
earth element and at least one element selected from the group consisting of a Group III B 
element. 

CLAIM 269 (Previously Presented) An apparatus comprising: 

a composition including copper, oxygen and an element selected from the group 
consisting of at least one Group II A element and at least one element selected from the 
group consisting of a rare earth element at least one element selected from the group 
consisting of a Group III B element, where said composition is a mixed copper oxide 
comprising a non-stoichiometric amount of oxygen therein and exhibiting a 
superconducting state at a temperature greater than 26°K; 

a temperature controller for maintaining said composition in said superconducting state at 
a temperature greater than 26°K; and 

a source of an electrical current through said composition while said composition is in said 
superconducting state. 



Serial No. 08/479,810 



Page 66 of 87 



Docket No. YO987-074BZ 



CLAIM 270 (Previously Presented) An apparatus comprising: 

a composition exhibiting a superconductive state at a temperature in excess of 26°K; 

a temperature controller for maintaining said composition at a temperature in excess of 
26°K at which temperature said composition exhibits said superconductive state; 

a source of an electrical current through said composition while said composition is in said 
superconductive state; and 

said composition including a copper oxide and at least one element selected from the 
group consisting of Group II A element, at least one element selected from the group 
consisting of a rare earth element and at least one element selected from the group 
consisting of a Group III B element. 

CLAIM 271 (Previously Presented) An apparatus for causing an electric-current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting 

essentially of a copper-oxide compound comprising a layer-type perovskite-like crystal 
structure, the composition comprising a superconductive transition temperature T c of 
greater than 26°K, said superconductive composition includes at least one element 
selected from the group consisting of a Group II A element, at least one element selected 
from the group consisting of a rare earth element and at least one element selected from 
the group consisting of a Group III B element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 



Serial No. 08/479,810 



Page 67 of 87 



Docket No. YO987-074BZ 



(c) a source of an electric current to flow in the superconductor element. 

CLAIM 272 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the copper-oxide compound 
including at least one element selected from the group consisting of a group II A element, 
at least one element selected from the group consisting of a rare earth element and at 
least one element selected from the group consisting of a Group NIB element, the 
composition comprising a superconductive-resistive transition temperature defining a 
superconductive/resistive-transition temperature range between an upper limit defined by 
a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p=0) the transition-onset 
temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 273 (Previously Presented) An apparatus comprising a composition comprising a 
transition temperature greater than 26°K, the composition including a rare earth or 
alkaline earth element, a transition metal element capable of exhibiting multivalent states 
and oxygen, including at least one phase that exhibits superconductivity at temperature in 
excess of 26°K, a temperature controller for maintaining said composition at said 
temperature to exhibit said superconductivity and a source of an electrical 



Serial No. 08/479,810 



Page 68 of 87 



Docket No. YO987-074BZ 



superconducting current through said composition with said phrase exhibiting said 
superconductivity. 

CLAIM 274 (Previously Presented) An apparatus comprising providing a superconducting 
transition metal oxide comprising a superconductive onset temperature greater than 
26°K , a temperature controller for maintaining said superconducting transition metal 
oxide at a temperature less than said superconducting onset temperature and a source of 
a superconducting current therein. 

CLAIM 275 (Previously Presented) An apparatus comprising a superconducting copper 
oxide comprising a superconductive onset temperature greater than 26°K, a temperature 
controller for maintaining said superconducting copper oxide at a temperature less than 
said superconducting onset temperature and a source of a superconducting current in 
said superconducting oxide. 

CLAIM 276 (Previously Presented) An apparatus comprising a superconducting oxide 
composition comprising a superconductive onset temperature greater than 26°K , a 
temperature controller for maintaining said superconducting copper oxide at a 
temperature less than said superconducting onset temperature and a source of a 
superconducting current therein, said composition comprising at least one each of rare 
earth, an alkaline earth, 
and copper. 

CLAIM 277 (Previously Presented) An apparatus comprising a superconducting oxide 
composition comprising a superconductive onset temperature greater than 26°K, a 
temperature controller for maintaining said superconducting copper oxide at a 
temperature less than said superconducting onset temperature and a source of a 
superconducting electrical current therein, said composition comprising at least one each 
of a Group III B element, an alkaline earth, and copper. 



Serial No. 08/479,810 



Page 69 of 87 



Docket No. YO987-074BZ 



CLAIM 278 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a transition metal oxide comprising a T c greater than 
26°K and a temperature controller for maintaining said transition metal oxide at a 
temperature less than said T c . 

CLAIM 279 (Previously Presented) An apparatus comprising a source of a 
superconducting current in a copper oxide comprising a T c greater than 26°K and a 
temperature controller for maintaining said copper oxide at a temperature less than said 
T c . 

CLAIM 280 (Previously Presented) An apparatus comprising: 

a composition of the formula Ba x La x -5, Cu 5 Oy, wherein x is from about 0.75 to about 1 and 
y is the oxygen deficiency resulting from annealing said composition at temperatures from 
about 540°C to about 950°C and for times of about 15 minutes to about 12 hours, said 
composition comprising a metal oxide phase which exhibits a superconducting state at a 
critical temperature in excess of 26°K; 

a temperature controller for maintaining the temperature of said composition at a 
temperature less than said critical temperature to induce said superconducting state in 
said metal oxide phase; and 

a source of an electrical current through said composition while said metal oxide phase is 
in said superconducting state. 

CLAIM 281 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a composition of matter comprising a T c greater than 
26°K, said composition comprising at least one each of a III B element, an alkaline earth, 
and copper oxide and a temperature controller for maintaining said composition of matter 
at a temperature less than T c . 



Serial No. 08/479,810 



Page 70 of 87 



Docket No. YO987-074BZ 



CLAIM 282 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a composition of matter comprising a T c greater than 
26°K, said composition comprising at least one each of a rare earth, alkaline earth, and 
copper oxide and a temperature controller for maintaining said composition of matter at a 
temperature less than said T c . 

CLAIM 283 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a composition of matter comprising a T c greater than 
26°K, said composition comprising at least one each of a rare earth, and copper oxide 
and a temperature controller for maintaining said composition of matter at a temperature 
less than said T c . 

CLAIM 284 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a composition of matter comprising a T c greater than 
26°K carrying, said composition comprising at least one each of a III B element, and 
copper oxide and a temperature controller for maintaining said composition of matter at a 
temperature less than said T c . 

CLAIM 285 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a transition metal oxide comprising a T C >26°K and a 
temperature controller for maintaining said transition metal oxide at a temperature less 
than said T c . 

CLAIM 286 (Previously Presented) An apparatus comprising a source of a 
superconducting electrical current in a copper oxide composition of matter comprising a 
T C >26°K and a temperature controller for maintaining said copper oxide composition of 
matter at a temperature less than said T c . 



Serial No. 08/479,810 



Page 71 of 87 



Docket No. YO987-074BZ 



CLAIM 287 (Previously Presented) An apparatus comprising: 

a composition including a transition metal, a group NIB element, an alkaline earth element, 
and oxygen, where said composition is a mixed transition metal oxide comprising a 
non-stoichiometric amount of oxygen therein and exhibiting a superconducting state at a 
temperature greater than 26°K, 

a temperature controller for maintaining said composition in said superconducting state at 
a temperature greater than 26°K, and 

a source of an electrical current through said composition while said composition is in said 
superconducting state. 

CLAIM 288 (Previously Presented) An apparatus according to claim 287, where said 
transition metal is copper. 

CLAIM 289 (Previously Presented) An apparatus for causing electric current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the composition 
comprising a superconductor transition temperature T c of greater than 26°K; 

b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 



Serial No. 08/479,810 



Page 72 of 87 



Docket No. YO987-074BZ 



CLAIM 290 (Previously Presented) An apparatus according to claim 289 in which the 
copper-oxide compound of the superconductive composition includes at least one 
element selected from the group consisting of a rare-earth element and a Group III B 
element and at least one alkaline-earth element. 

CLAIM 291 (Previously Presented) An apparatus according to claim 290 in which the 
rare-earth or rare-earth-like element is lanthanum. 

CLAIM 292 (Previously Presented) An apparatus according to claim 290 in which the 
alkaline-earth element is barium. 

CLAIM 293 (Previously Presented) An apparatus according to claim 289 in which the 
copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 

CLAIM 294 (Previously Presented) An apparatus according to claim 293 in which the 
copper-oxide compound includes at least one element in a nonstoichiometric atomic 
proportion. 

CLAIM 295 (Previously Presented) An apparatus according to claim 294 in which oxygen 
is present in the copper-oxide compound in a nonstoichiometric atomic proportion. 

CLAIM 296 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the copper-oxide 
compound including at least one element selected from the group consisting of a 
rare-earth element and a Group NIB element and at least one alkaline-earth element, the 
composition comprising a superconductive/resistive transition defining a 



Serial No. 08/479,810 



Page 73 of 87 



Docket No. YO987-074BZ 



superconductive/resistive-transition temperature range between an upper limit defined by 
a transition-onset temperature T c and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T p==0 , the transition-onset 
temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 297 (Previously Presented) An apparatus according to claim 296 in which said at 
least one element is lanthanum. 

CLAIM 298 (Previously Presented) An apparatus according to claim 296 in which the 
alkaline-earth element is barium. 

CLAIM 299 (Previously Presented) An apparatus according to claim 296 in which the 
copper-oxide compound of the superconductive composition includes mixed valent 
copper ions. 

CLAIM 300 (Previously Presented) An apparatus according to claim 299 in which the 
copper-oxide compound includes at least one element in a nonstoichiometric atomic 
proportion. 

CLAIM 301 (Previously Presented) An apparatus according to claim 300 in which oxygen 
is present in the copper-oxide compound in a nonstoichiometric atomic proportion. 



Serial No. 08/479,810 



Page 74 of 87 



Docket No. YO987-074BZ 



CLAIM 302 (Previously Presented) An apparatus for causing electric-current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the composition 
comprising a superconductive transition temperature T c of greater than 26°K, said 
superconductive composition includes at least one element selected from the group 
consisting of a Group II A element, a rare earth element; and a Group III B element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 303 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the copper-oxide 
compound including at least one element selected from the group consisting of a Group II 
A element, a rare earth element and a Group III B element, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature T c 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0) 
the transition-onset temperature T c being greater than 26°K; 



Serial No. 08/479,810 



Page 75 of 87 



Docket No. YO987-074BZ 



(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 304 (Previously Presented) An apparatus for causing electric-current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the composition 
comprising a superconductive transition temperature T c of greater than 26°K, said 
superconductive composition includes at least one element selected from the group 
consisting of a Group II A element and at least one element selected from the group 
consisting of a rare earth element and a Group III B element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature T c of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 305 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a substantially layered perovskite crystal structure, the copper-oxide 
compound including at least one element selected from the group consisting of a Group II 
A element and at least one element selected from the group consisting of a rare earth 



Serial No. 08/479,810 



Page 76 of 87 



Docket No. YO987-074BZ 



element and a Group III B element, the composition comprising a 
superconductive/resistive transition defining a superconductive-resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 306 (Previously Presented) An apparatus for causing electric-current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal oxide compound 
comprising a substantially layered perovskite crystal structure, the composition 
comprising a superconductive transition temperature T c of greater than 26°K, said 
superconductive composition includes at least one element selected from the group 
consisting of a Group II A element and at least one element selected from the group 
consisting of a rare earth element and a Group III B element; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition T c of the superconductive 
composition; and 

(c) a source of an electric current to flow in the superconductor element. 



Serial No. 08/479,810 



Page 77 of 87 



Docket No. YO987-074BZ 



CLAIM 307 (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 

(a) a superconductor element made of a superconductive composition, the 
superconductive composition consisting essentially of a transition metal-oxide compound 
comprising a substantially layered perovskite crystal structure, the transition metal-oxide 
compound including at least one element selected from the group consisting of a Group II 
A element and at least one element selected from the group consisting of a rare earth 
element and a Group III B element, the composition comprising a 
superconductive/resistive transition defining a superconductive/resistive-transition 
temperature range between an upper limit defined by a transition-onset temperature T c 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature T p=0 , 
the transition-onset temperature T c being greater than 26°K; 

(b) a temperature controller for maintaining the superconductor element at a temperature 
below the effectively-zero-bulk-resistivity intercept temperature T p=0 of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 

CLAIM 308 (Previously Presented) An apparatus according to claim 273 wherein said 
composition comprises a substantially layered perovskite crystal structure. 

CLAIM 309 (Previously Presented) An apparatus according to claim 274 wherein said 
superconducting transistor metal oxide comprises a substantially layered perovskite 
crystal structure, 

CLAIM 310 (Previously Presented) An apparatus according to claim 275 wherein said 
superconducting copper oxide comprises a substantially layered perovskite crystal 
structure. 



Serial No. 08/479,81 0 Page 78 of 87 Docket No. YO987-074BZ 



CLAIM 31 1 (Previously Presented) An apparatus according to claim 276 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 
structure. 

CLAIM 312 (Previously Presented) An apparatus according to claim 277 wherein said 
superconducting oxide composition comprises a substantially layered perovskite crystal 
structure. 

CLAIM 313 (Previously Presented) An apparatus according to claim 278 wherein said 
transistor metal oxide comprises a substantially layered perovskite crystal structure. 

CLAIM 314 (Previously Presented) An apparatus according to claim 279 wherein said 
copper oxide comprises a substantially layered perovskite crystal structure. 

CLAIM 315 (Previously Presented) An apparatus according to claim 280 wherein said 
composition comprises a substantially layered perovskite crystal structure. 

CLAIM 316 (Previously Presented) An apparatus according to claim 281 wherein said 
composition of matter comprises a substantially layered perovskite crystal structure. 

CLAIM 317 (Previously Presented) An apparatus according to claim 282 wherein said 
composition of matter comprises substantially layered perovskite crystal structure. 

CLAIM 318 (Previously Presented) An apparatus according to claim 283 wherein said 
composition of matter comprises a substantially layered perovskite crystal structure. 

CLAIM 319 (Previously Presented) An apparatus according to claim 284 wherein said 
composition of matter comprises substantially layered perovskite crystal structure. 

CLAIM 320 (Previously Presented) An apparatus according to claim 285 wherein said 
transistor metal oxide comprises substantially layered perovskite crystal structure. 



Serial No. 08/479,810 



Page 79 of 87 



Docket No. YO987-074BZ 



CLAIM 321 (Previously Presented) An apparatus according to claim 286 wherein said 
copper oxide composition comprises substantially layered perovskite crystal structure. 

CLAIM 322 (New) A superconductive combination according to anyone of claims 84 or 85, 
wherein said mixed transition metal oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 323 (New) An apparatus according to anyone of claims 86, 87, 144, 146, 147, 163, 
1 64, 1 68, 1 69, 1 73, 1 74, 1 78, 1 82, 1 89, 1 96, 1 97, 21 4, 224, 235, 236, 237, 239, 254, 255, 
259, 260, 264, 265 or 273, wherein said composition can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 324 (New) A combination according to anyone of claims 91 , 92 or 36 to 39, 
wherein said composition can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 325 (New) A superconductive apparatus according to anyone of claims 1 to 1 1 , 33 
to 35, 66 to 68, 109 or 130, wherein said composition can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 326 (New) An apparatus according to anyone of claims 93 to 95 or 138, wherein 
said mixed copper oxide can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 327 (New) A combination according to anyone of claims 64 or 135, wherein said 
mixed copper oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 



Serial No. 08/479,810 



Page 80 of 87 



Docket No. YO987-074BZ 



CLAIM 328 (New) A superconductive apparatus according to anyone of claims 48 to 52, 
96 to 108 or 198 to 204, wherein said superconductive composition can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 329 (New) A superconductive combination according to anyone of claims 12 to 23, 
110, 131 or 132, wherein said superconductive composition can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 330 (New) An apparatus according to anyone of claims 185 or 220, wherein said 
superconductive composition can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 331 (New) A device according to claim 111, wherein said superconductive 
transition metal oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 332 (New) An apparatus according to anyone of claims 1 83, 217,21 8, 274 or 309, 
wherein said superconductive transition metal oxide can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 333 (New) A device according to claim 112, wherein said superconductive copper 
oxide can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 334 (New) An apparatus according to anyone of claims 275, 276, 31 0 or 31 1 , 
wherein said superconductive copper oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 335 (New) A device according to claim 113, wherein said superconductive oxide 
composition can be made in bulk according to a principle comprising a general principle of 
ceramic science. 



Serial No. 08/479,810 



Page 81 of 87 



Docket No. YO987-074BZ 



CLAIM 336 (New) An apparatus according to anyone of claims 186, 221, 272 or 312, 
wherein said superconductive oxide composition can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 337 (New) A device according to anyone of claims 1 14 or 1 17, wherein said 
transition metal oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 338 (New) An apparatus according to anyone of claims 24 to 26, 60 to 63, 116, 
141 to 143, 172, 187, 222, 232 to 234, 263, 278, 285, 287, 288, 313 or 320, wherein said 
transition metal oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 339 (New) A superconductive apparatus according to anyone of claims 27-32 or 
132, wherein said transition metal oxide can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 340 (New) An invention according to claim 118, wherein said transition metal 
oxide can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 341 (New) A transition metal oxide device according to claim 128, wherein said 
transition metal oxide can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 342 (New) An apparatus according to anyone of claims 40 to 45, wherein said 
superconductor can be made in bulk according to a principle comprising a general 
principle of ceramic science. 



Serial No. 08/479,810 Page 82 of 87 Docket No. YO987-074BZ 



CLAIM 343 (New) A device according to anyone of claims 1 19 or 121 , wherein said 
copper oxide can be made in bulk according to a principle comprising a general principle 
of ceramic science. 

CLAIM 344 (New) An apparatus according to claim 120, wherein said copper oxide can 
be made in bulk according to a principle comprising a general principle of ceramic 
science. 

CLAIM 345 (New) An invention according to claim 122, wherein said copper oxide can be 
made in bulk according to a principle comprising a general principle of ceramic science. 

CLAIM 346 (New) A superconductive apparatus according to claim 123, wherein said 
copper oxide can be made in bulk according to a principle comprising a general principle 
of ceramic science. 

CLAIM 347 (New) A copper oxide device according to claim 129, wherein said copper 
oxide can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 348 (New) An apparatus according to anyone of claims 162, 167, 177, 188, 223, 
253, 258, 268, 269, 270, 279 or 314, wherein said copper oxide can be made in bulk 
according to a principle comprising a general principle of ceramic science. 

CLAIM 349 (New) A combination according to claim 57, wherein said superconductive 
oxide can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 350 (New) A combination according to claim 58, wherein said copper oxide 
conductor can be made in bulk according to a principle comprising a general principle of 
ceramic science. 



Serial No. 08/479,810 



Page 83 of 87 



Docket No. YO987-074BZ 



CLAIM 351 (New) A combination according to claim 59, wherein said ceramic-like 
material can be made in bulk according to a principle comprising a general principle of 
ceramic science. 

CLAIM 352 (New) A superconductive combination according to anyone of claims 69 to 71 
or 134, wherein said superconductive composition can be made in bulk according to a 
principle comprising a general principle of ceramic science. 

CLAIM 353 (New) A superconductive apparatus according to anyone of claims 139, 140, 
1 49 to 1 55, 1 56 to 1 61 , 1 70, 1 71 , 1 75, 1 76, 1 80, 1 81 or 205 to 21 6, wherein said 
superconductive composition can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 354 (New) An apparatus according to anyone of claims 1 65, 1 66, 1 85, 220, 240 to 
246, 247 to 252, 261 , 262, 289 or 290 to 301 , wherein said superconductive composition 
can be made in bulk according to a principle comprising a general principle of ceramic 
science. 

CLAIM 355 (New) A combination according to anyone of claims 77 to 81 or 186, wherein 
said mixed copper oxide composition can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 356 (New) A device according to anyone of claims 124 to 127, wherein said 
composition of matter can be made in bulk according to a principle comprising a general 
principle of ceramic science. 

CLAIM 357 (New) An apparatus according to anyone of claims 190 to 194, 225 to 229, 
231 , 256, 257, 266, 267, 271 , 272, 281 to 284 or 31 7 to 31 9, wherein said composition of 
matter can be made in bulk according to a principle comprising a general principle of 
ceramic science. 



Serial No. 08/479,810 



Page 84 of 87 



Docket No. YO987-074BZ 



CLAIM 358 (New) An apparatus according to anyone of claims 186 or 221 , wherein said 
superconductive oxide composition can be made in bulk according to a principle 
comprising a general principle of ceramic science. 

CLAIM 359 (New) An apparatus according to anyone of claims 195 or 230, wherein said 
copper oxide composition can be made in bulk according to a principle comprising a 
general principle of ceramic science. 

CLAIM 360 (New) An apparatus according to anyone of claims 286 or 321 , wherein said 
copper oxide composition can be made in bulk according to a principle comprising a 
general principle of ceramic science. 



Serial No. 08/479,810 



Page 85 of 87 



Docket No. YO987-074BZ