Skip to main content

Full text of "USPTO Patents Application 08479810"

See other formats


IN THE CLAIMS 




CLAIMU^(Previously Presented) A superconducting apparatus comprising a composition 
liaving a transition temperature greater than 26°K, the composition including a rare earth 
or near rare earth-l1keelement, 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. 08/479,810 



Page 2 of 80 



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

CLAIM ^2}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 80 



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 ^^(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 80 



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@( Previously Presented) 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 transition 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 80 



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 3§i!(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^"^ 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 80 



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^"^ 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^"^ and Cu^"" ions in 
said composition. 

CLAIM^?(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^(Currently Amended) 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. 

CLAIM 44 (Previously Presented) The apparatus of claim 42, further including an element 




Serial No. 08/479,810 



Page 7 of 80 



Docket No. YO987-074BZ 



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 ^(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 (Original) The sopercor^duGtor of claim 46, where said transition metal is Cu. 

CLAIM ^(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 (Original) The composition of claim 48, where said transition metal oxide is 
multivalent in said composition. 

CLAIM 50 (Original) The composition of claim 48, where said transition metal is Cu. 

CLAIM 51 (Original) The composition of claim 48, where said substitutions include an 
alkaline earth element. 

CLAIM 52 (Original) The composition of claim 48, where said substitutions include a rare 
earth or rare earth-like element. 



Serial No. 08/479,810 



Page 8 of 80 



Docket No. YO987-074BZ 




CLAIM(53^(Original) A superconductor comprised of a copper oxide having a layer-lil<e 
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. 



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. 



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, 

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



Serial No. 08/479,81 0 Page 9 of 80 Docket No. YO987-074BZ 




reviously Presented) A combination, comprising: 



CLAIMte7/(Previously Presented) A combination including; 




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



CLAIM,g|^(Prevlously 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. 



a ceramiq|Hikematerial 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 
temperatures above said onset temperature. 



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




CLAIM(§g?(Previously Presented) An apparatus comprised of a transition metal oxide, 



Serial No. 08/479,810 
YO987-074BZ 



Page 10 of 80 



Docket No. 



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^^(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 *^([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 haying a distorted octahedral oxygen environment 
leading to a Tc greater than 26''K, 

means for providing a superconducting current through said composition at temperatures 
greater than 26''K and less than said Tc, and 

cooling means for cooling said composition to a temperature greater than 26''K and less 



Serial No. 08/479,810 
YO987-074BZ 



Page 1 1 of 80 



Docket No. 



than said Tc. 




CLAIM.^^(Previously Presented) An apparatus composition exiiibiting 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 6§5( Previously Presented) 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. 



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 




Serial No. 08/479,810 
YO987-074BZ 



Page 12 of 80 



Docket No. 



means for passing a superconducting electrical current througli 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^^ll;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 
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 



Serial No. 08/479,810 
YO987-074BZ 



Page 13 of 80 



Docket No. 



into said composition is adjusted by said annealing step, the amount of oxygen therein 
affecting the critical temperature Tc of the superconducting composition. 



CLAIM^TSjOriginal) 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-0, 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. 



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 
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. 




CLAIM7^(Previously Presented) A combination, comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 14 of 80 



Docket No. 



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^(Currently Amended) 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-0, 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 suporcoductor 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. 



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

CLAIM©'(Previously Presented) A superconducting combination, comprising: 

Serial No. 08/479,81 0 Page 1 5 of 80 Docket No. 

YO987-074BZ 



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. 

CLAIM 87 (Original) The method of claim 86, where said transition metal is copper. 
CLAIM^^(Original) A method, including the steps of: 

forming a composition exhibiting a superconductive state at a temperature in excess of 



Serial No. 08/479,810 
YO987-074BZ 



Page 16 of 80 



Docket No. 



26°K, 



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

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

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

CLAIM 90 (Original) The metal of claim 88, where said composition is comprised of a 
transition metal oxide. 



a composition exhibiting the onset of a DC substantially zero resistance state at an onset 
temperature in excess of [[30K]] 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. 



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

means for producing an electrical current through said copper oxide material while it is in 



CLAIM^1j,(Currently Amended) A combination, comprising: 




CLAIM|93j(Currently Amended) An apparatus, comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 17 of 80 



Docket No. 



a superconducting state at a temperature in excess of [[26K]] 26°K . 

CLAIM 94 (Currently Amended) The apparatus of claim 93, where said copper oxide 
material exhibits a layer-like crystalline [[struc]] structure. 

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

CLAIMi^(Currently Amended) A superconductive apparatus for causing electric-current 
flow in a superconductive state at a temperature in excess of [[26K]] 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 Tc of greater than [[26K]] 26°K : 

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

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

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. 



Serial No. 08/479,810 
YO987-074BZ 



Page 18 of 80 



Docket No. 



CLAIM 1 00 (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^^^llCurrently Amended) 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-lil<e 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 Tc and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature T^, the transition-onset 
temperature Tc being greater than [[26K]] 26°K : 

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

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




Serial No. 08/479,810 
YO987-074BZ 



Page 19 of 80 



Docket No. 



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 

1 07 in which oxygen is present in the copper-oxide compound in a nonstoichiometric 
atomic proportion. 

CLAIM t09JPreviously Presented) 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 states and oxygen, including at least one phase that exhibits 
superconductivity at temperature in excess of 26°K 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. 



Serial No. 08/479,810 
YO987-074BZ 



Page 20 of 80 



Docket No. 



CLAIM ^rM)(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 ^^^Currently Amended) 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 ouporoondut i ng superconducting current flowing therein. 



CLAIM^J^(Currently Amended) 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 suporoondutino superconductino current flowing therein, 
said composition comprising at least one each of rare earth, an alkaline earth, and 
copper. 

CLAIM lTT^(iCurrently Amended) 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 suporoondut i na superconductino current flowing therein, 
said composition comprising at least one each of a group lilB element, an alkaline earth, 
and copper. 



CLAIMri la[(Previously Presented) A device comprising a transition metal oxide having a 
Tc greater than 26°K carrying a superconducting current said transition metal oxide is 
maintained at a temperature less than said Tc. 





Serial No. 08/479,810 
YO987-074BZ 



Page 21 of 80 



Docket No. 



CLAIM 1J6j|Previously Presented) An apparatus comprising a transition metal oxide 
having a Tc greater than 26°K carrying a superconducting current said transition metal 
oxide is maintained at a temperature less than said Tc. 

CLAIM i^^(Prevlously Presented) A structure comprising a transition metal oxide having 
a Tc greater than 26°K carrying a superconducting current. 

CLAIM "(T^CPreviously Presented) An invention comprising a transition metal oxide 
having a Tc greater than 26°K carrying a superconducting current. 

CLAIM ^^^(Prevlously Presented) A device comprising a copper oxide having a Tc 
greater than 26*^K carrying a superconducting current said copper oxide is maintained at a 
temperature less than said Tc. 

CLAIM '^^(Prevlously Presented) An apparatus comprising a copper oxide having a Tc 
greater than 26°K carrying a superconducting current said copper oxide is maintained at a 
temperature less than said Tc. 



CLAIM \j^^(Prevlously Presented) A device comprising a copper oxide having a Tc 
greater than 26°K carrying a superconducting current. 

CLAIM'^^(Prevlously Presented) An invention comprising a copper oxide having a Tc 
greater than 26°K carrying a superconducting current. 

CLAIM ^^(Previously Presented) A superconductive apparatus comprising: 

a composition of the formula BaxLax-sCusOy 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 
YO987-074BZ 



Page 22 of 80 



Docket No. 



a means for maintaining the temperature of said composition at a temperature less tfian 
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 f2^/(Previously Presented) A device comprising a composition of matter having a 
Tc greater than 26°K carrying a superconducting current, said composition comprising at 
least one each of a NIB element, an alkaline earth, and copper oxide said device is 
maintained at a temperature less than said Tc. 



CLAIM |^?(Previously Presented) An apparatus comprising a composition of matter 
having a Tc 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 tl2^(Previously Presented) A device comprising a composition of matter having a 
Tc greater than 26°K carrying a superconducting current, said composition comprising at 
least one each of a rare earth, and copper oxide. 

CLAIMd2^(Previously Presented) A device comprising a composition of matter having a 
Tc greater than 26°K carrying a superconducting current, said composition comprising at 
least one each of a NIB element, and copper oxide. 

CLAIM 1?i|(Prevlously Presented) A transition metal oxide device comprising a Tc >26°K 
and carrying a superconducting current. 

CLAIM '^123 (Previously Presented) A copper oxide device comprising a Tc >26°K and 
carrying a superconducting current. 



Serial No. 08/479,810 
YO987-074BZ 



Page 23 of 80 



Docket No. 



CLAIM ^30 (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 NIB 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. 



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. 



CLAIM 




[(Previously Presented) A combination, comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 24 of 80 



Docket No. 



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. 



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. 

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



CLAIM 13^(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 



CLAIM 




'(Previously Presented) An apparatus comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 25 of 80 



Docket No. 



composition having a superconductor transition temperature Tc of greater 
tlnan 26°K; 

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

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

CLAIM ^'iolCurrently Amended) 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 NIB 
element and at least one alkaline-earth element, the composition having a 
superconductive/resistive transition defining a 
suporoonduct i vo/ros i sitvo - transit i on suoerconductive/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 Tr=o, the 
transition-onset temperature Tc being greater than 26°K; 

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 26 of 80 



Docket No. 



CLAIM l|^^(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. 



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. 

Serial No. 08/479,810 Page 27 of 80 Docket No. 

YO987-074BZ 




'(Previously Presented) An apparatus comprising: 



CLAIM 145 (Previously Presented) The method of claim 144, where said transition metal 
is copper. 



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. 

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

CLAIM'^^(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 Tc 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 Tc of the superconductive composition; and 




'(Previously Presented) An apparatus: 



Serial No. 08/479,810 
YO987-074BZ 



Page 28 of 80 



Docket No. 



(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. 

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 l^/Prevlously 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 




Serial No. 08/479,810 
YO987-074BZ 



Page 29 of 80 



Docket No. 



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 Tc and a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature Tp=o , the 
transition-onset temperature Tc being greater than 26°K; 

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

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

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. 



Serial No. 08/479,810 
YO987-074BZ 



Page 30 of 80 



Docket No. 



CLAIM 161 (Previously Presented) The superconductive apparatus according to claim 
160 In which oxygen is present In the copper-oxide compound In a nonstolchiometric 
atomic proportion. 



CLAIM 1 egX 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. 

CLAIM ^3)( 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 NIB 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 




[(Previously Presented) An apparatus comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 31 of 80 



Docket No. 



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 III B element. 

CLAIIVI i6^(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 Tc 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 TcOf the superconductive composition; and 

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

CLAIM 16^^ (Previously Presented) An apparatus for conducting an electric current 
essentially without resistive losses, comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 32 of 80 



Docket No. 



(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 
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 Tc and a lower limit 
defined by an effectlvely-zero-bulk-resistlvity intercept temperature Tp=o , 
the transition-onset temperature Tc being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept 
temperature Tp=oOf the superconductive composition; and 

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

CLAIM I^J; (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; 



Serial No. 08/479,810 
YO987-074BZ 



Page 33 of 80 



Docket No. 



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. 



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; 

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 ^69f(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. 




^(Previously Presented) An apparatus comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 34 of 80 



Docket No. 



CLAIM^Jp (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 Tc 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 maintaining the superconductor element at a 
temperature above 26°K and below the superconductor transition 
temperature TcOf the superconductive composition; and 

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

CLAIM (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 



Serial No. 08/479,810 
YO987-074BZ 



Page 35 of 80 



Docket No. 



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 Tp=o , the 
transition-onset temperature Tc being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk- resistivity intercept 
temperature Tp=oOf the superconductive composition; and 

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

CLAIM^I 72. ((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 NIB element. 



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 



CLAIM 




(Previously Presented) An apparatus comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 36 of 80 



Docket No. 



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. 



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 \17^|Previously Presented) A superconductive apparatus for causing 
electric-current flow in a superconductive state at a temperature in excess of 26°K, 
comprising: 



CLAIM 




(Previously Presented) An apparatus: 



Serial No. 08/479,810 
YO987-074BZ 



Page 37 of 80 



Docket No. 



(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 Tc 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 Tc of the superconductive 
composition; and 

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

CLAIM'l7^(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 Tcand a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature Tp=o, the transition-onset 
temperature Tc being greater than 26°K; 

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



Serial No. 08/479,810 
YO987-074BZ 



Page 38 of 80 



Docket No. 



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



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 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. 



CLAIM |^'(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 -I^^^CPreviously Presented) An apparatus comprising: 





Serial No. 08/479,810 
YO987-074BZ 



Page 39 of 80 



Docket No. 



CLAIM ^2B^iPre\/'\0[ls\y Presented) A structure comprising: 



a composition exiiibiting 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, 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 t^OjlPreviously 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 Tc 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 temperature Tc of the 
superconductive composition; and 

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




Serial No. 08/479,810 
YO987-074BZ 



Page 40 of 80 



Docket No. 



CLAIM 1^(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 Tc and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature Tp=o. the transition-onset 
temperature Tc being greater than 26°K; 

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

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

CLAIM ^i^Jpreviously 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 183j(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 




Serial No. 08/479,810 
YO987-074BZ 



Page 41 of 80 



Docket No. 



temperature less than said superconducting onset temperature and a current source 
flowing a superconducting current therein. 




CLAIM Kt8^(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. 



CLAIM 1^85^(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. 

CLAIMC^^(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(^|l^{Previously Presented) An apparatus comprising a superconducting electrical 
current in a transition metal oxide having a Tc greater than 26°K and maintaining said 
transition metal oxide at a temperature less than said Tc. 



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






Serial No. 08/479,810 
YO987-074BZ 



Page 42 of 80 



Docket No. 



CLAIM «ip9jPreviously Presented) An apparatus comprising the steps of: 

a composition of the formula BaxLax-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; 



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 ||^(Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a Tc 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 Tc. 

CLAIM |^(Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a Tc 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 Tc. 

CLAIM 5i^(Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a Tc greater than 
26°K, said composition comprising at least one each of a rare earth, and copper oxide 



Serial No. 08/479,810 
YO987-074BZ 



Page 43 of 80 



Docket No. 



and a temperature controller maintaining said composition of matter at a temperature less 
than said Tc. 



CLAIM 1i^(Previously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter having a Tc greater than 
26''K carrying, said composition comprising at least one each of a Group ill B element, 
and copper oxide and a temperature controller maintaining said composition of matter at 
a temperature less than said Tc. 

CLAIM ^^^(Prevlously Presented) An apparatus comprising a current source flowing a 
superconducting electrical current in a transition metal oxide comprising a Tc>26°K and a 
temperature controller maintaining said transition metal oxide at a temperature less than 
said Tc. 

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

CLAIM^;^6j(iPreviously 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. 



Serial No. 08/479,810 
YO987-074BZ 



Page 44 of 80 



Docket No. 



CLAIM*1 97 (Previously Presented) The apparatus of claim 196, where said transition 
metal is copper. 

CLAIM 1J^(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 TcOf greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a temperature 
above 26°K and below the superconductor transition temperature Tc 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 

1 98 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 

1 99 in which the rare-earth is lanthanum. 

CLAIM 201 (Previously Presented) The superconductive apparatus according to claim 
1 99 in which the alkaline-earth element is barium. 



Serial No. 08/479,810 
YO987-074BZ 



Page 45 of 80 



Docket No. 



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. 

CLAIM^^ (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 III B 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 Tc and a 
lower limit defined by an effectively-zero-bulk-resistivity intercept 
temperature Tp^^o , the transition-onset temperature Tc being greater than 
26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature Tp^^o of the superconductive composition; and 



Serial No. 08/479,810 
YO987-074BZ 



Page 46 of 80 



Docket No. 



(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. 

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^I ^(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 Tc of greater 
than 26°K, said superconductive composition includes at least one element 

Serial No. 08/479,81 0 Page 47 of 80 Docket No. 

YO987-074BZ 




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 TcOf the superconductive composition; and 

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

CLAIM 242j^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 
NIB element, the composition having a superconductive/resistive transition 
defining a superconductive/resiistive-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 Tp=o , 
the transition-onset temperature Tc being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature Tp=oOf the superconductive composition; and 

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



Serial No. 08/479,810 
YO987-074BZ 



Page 48 of 80 



Docket No. 



CLAIM 21J|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 Tc 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 
temperature TcOf the superconductive composition; and 

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

CLAIM 21^(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 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 Tc and a 
lower limit defined by an effectively-zero-bulk-resistivity intercept 



Serial No. 08/479,810 
YO987-074BZ 



Page 49 of 80 



Docket No. 



temperature Tp=o , the transition-onset temperature Tc being greater than 
26°K; 



(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistivity intercept 
temperature Tp=oOf the superconductive composition; and 

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

CLAIM ^^^(.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 TcOf 
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 TcOf the 
superconductive composition; and 

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 50 of 80 



Docket No. 



(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 Tcand a lower limit defined 
by an effectively-zero-bulk-resistivity intercept temperature Tp=o, the 
transition-onset temperature Tc being greater than 26°K; 

(b) a temperature controller maintaining the superconductor element at a 
temperature below the effectively-zero-bulk-resistlvity intercept 
temperature Tp=o 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. 



Serial No. 08/479,810 
YO987-074BZ 



Page 51 of 80 



Docket No. 



CLAIM 220 (Previously Presented) An apparatus according to claim 185 wherein said 
superconducting oxide composition comprises a substantially layered perovsl<ite 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. 

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. 



Serial No. 08/479,810 
YO987-074BZ 



Page 52 of 80 



Docket No. 



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 Tc 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. 

CLAIIVI^232>(New) 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 (New) An apparatus according to claim 232, where said transition metal oxide 
is comprised of a transition metal capable of exhibiting multivalent states. 

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



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 




CLAIM 235 (JMew) An apparatus comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 53 of 80 



Docket No. 



oxide comprising a non-stoichiometric amount of oxygen therein and exiiibiting 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 236 (New) An apparatus according to claim 235, where said transition metal is 
copper. 



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 (New) An apparatus according to claim 237, where said composition is 
comprised of a metal oxide. 

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




'(New) An apparatus comprising: 



CLAIMl^40)(New) An apparatus capable of carrying electric current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 54 of 80 



Docket No. 



(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 Tc 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 Tc of the 
superconductive composition; and 

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

CLAIM 241 (New) 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-^ite^ement and at least one alkaline-earth element. 

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

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

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

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 55 of 80 



Docket No. 



CLAIM 247^ev\/) 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 
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 Tp=o , the transition-onset 
temperature Tc 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 Tp=o of the 
superconductive composition; and 

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

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

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

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 56 of 80 



Docket No. 



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



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. 



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. 




f(New) An apparatus comprising: 



CLAIM. 254 (iNew) An apparatus comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 57 of 80 



Docket No. 



CLAIM[255,(New) An apparatus comprising: 




a composition exiiibiting 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^56|New) 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 Tc 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 Tc of the 
superconductive composition; and 

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



CLAIM p5MNew) An apparatus capable of carrying an electric current essentially without 
resistive losses, comprising: 





Serial No. 08/479,810 
YO987-074BZ 



Page 58 of 80 



Docket No. 



(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 arid a Group.111 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 Tp=o, 
the transition-onset temperature Tc 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 Tp=o of the 
superconductive composition; and 

(c) a source of an electric current to flow in the superconductor element. 
CLAIM'^258)[New) 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 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 
YO987-074BZ 



Page 59 of 80 



Docket No. 



CLAIM ^59 (New) 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. 

CLAIMi^^ (New) 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 il A and at least one element selected from the group 
consisting of a rare earth element and a Group III B element. 

CLAIM^6ll(New) An apparatus capable of carrying an electric-current flow in a 
superconductive state at a temperature in excess of 26°K, comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 60 of 80 



Docket No. 



(a) a superconductor element made of a superconductive composition, ttie 
superconductive composition consisting essentially of a copper-oxide compound 
comprising a layer-type perovskite-like crystal structure, the composition comprising a 
superconductive transition temperature To of greater than 26°K, said superconductive 
composition Includes at least one element selected from the group consisting of a Group 
11 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 Tc of the 
superconductive composition; and 

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



CLAIMl262>f New) 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 To and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature Tp=o , the transition-onset 
temperature Tc being greater than 26°K; 




Serial No. 08/479,810 
YO987-074BZ 



Page 61 of 80 



Docket No. 



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

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



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 NIB element. 

CLAIMS 264Jj)Jew) 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; 




lew) An apparatus comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 62 of 80 



Docket No. 



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. 



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 III B element. 



CLAIM ^6^(New) 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 perovsklte-like crystal structure, the composition comprising a 
superconductive transition temperature Tc 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; 




lew) An apparatus comprising: 





Serial No. 08/479,810 
YO987-074BZ 



Page 63 of 80 



Docket No. 



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

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



CLAIM'267,iNew) An apparatus for conducting an electric current essentially without 
resistive losses, compnsing: 

(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 Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature Tp=o, 
the transition-onset temperature Tc 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 Tp=o of the 
superconductive composition; and 

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



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




CLAIM 268 (jNlew) An apparatus comprising: 




Serial No. 08/479,810 
YO987-074BZ 



Page 64 of 80 



Docket No. 



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. 



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. 



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




|New) An apparatus comprising: 




[(New) An apparatus comprising: 



Serial No. 08/479,810 
YO987-074BZ 



Page 65 of 80 



Docket No. 



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/(New) 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 



essentially of a copper-oxide compound comprising a layer-type perovskite-like crystal 
structure, the composition comprising a superconductive transition temperature Tc 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 Tc of the 
superconductive composition; and 

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



Serial No. 08/479,810 Page 66 of 80 Docket No. 

YO987-074BZ 




superconductive composition consisting 



CLAIM 272/New) 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 Tc and a lower limit defined by an 
effectively-zero-bulk-resistivity intercept temperature Tp=o, the transition-onset 
temperature Tc 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 Tp=o of the 
superconductive composition; and 

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



CLAIM|273 (New) 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 



CLAIM^74|(New) An apparatus comprising providing a superconducting transition metal 
oxide comprising a superconductive onset temperature greater than 26°K , a temperature 




exhibit said superconductivity and a source of an electrical superconducting current 
through said composition with said phrase exhibiting said superconductivity. 




Serial No. 08/479,810 
YO987-074BZ 



Page 67 of 80 



Docket No. 



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. 2754New) 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^^7§^(New) 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 ^77)(New) 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. 

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

CLAIM^^^(New) An apparatus comprising a source of a superconducting current in a 
copper oxide comprising a Tc greater than 26°K and a temperature controller for 
maintaining said copper oxide at a temperature less than said Tc. 




Serial No. 08/479,810 
YO987-074BZ 



Page 68 of 80 



Docket No. 



CLAIM 2g(W(New) An apparatus comprising: 



a composition of the formula BaxLax-s, CusOy, 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 >28V(New) An apparatus comprising a source of a superconducting electrical 
current in a composition of matter comprising a Tc 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 Tc- 

CLAIM 282^'New) An apparatus comprising a source of a superconducting electrical 
current in a composition of matter comprising a Tc 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 Tc. 



CLAIM 283](New) An apparatus comprising a source of a superconducting electrical 
current in a composition of matter comprising a Tc greater than 26°K, said composition 




Serial No. 08/479,810 
YO987-074BZ 



Page 69 of 80 



Docket No. 



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 Tc. 




CUK\h/i28^{NeyN) An apparatus comprising a source of a superconducting electrical 
current in a composition of matter comprising a Tc 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 Tc. 



CLAIM ^^(New) An apparatus comprising a source of a superconducting electrical 
current in a transition metal oxide comprising a Tc>26°K and a temperature controller for 
maintaining said transition metal oxide at a temperature less than said To. 

CLAIM 28^(New) An apparatus comprising a source of a superconducting electrical 
current in a copper oxide composition of matter comprising a Tc>26°K and a temperature 
controller for maintaining said copper oxide composition of matter at a temperature less 
than said To. 



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. 

Serial No, 08/479,81 0 Page 70 of 80 Docket No. 

YO987-074BZ 





(New) An apparatus comprising: 



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



CLAIM 28^(New) 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 Tc 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 Tc of the 
superconductive composition; and 

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

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

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

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




Serial No. 08/479,810 
YO987-074BZ 



Page 71 of 80 



Docket No. 



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

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

CLAIM 29§<)(New) 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 III B element and at least one alkaline-earth 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 Tp=o , the transition-onset 
temperature Tc 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 Tp=o of the 
superconductive composition; and 

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

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 72 of 80 



Docket No. 



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



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

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



CLAIiVCSbg^New) 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 Tc 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 Tc of the 
superconductive composition; and 

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



CLAIM SOS^New) 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 





Serial No. 08/479,810 
YO987-074BZ 



Page 73 of 80 



Docket No. 



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 Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature Tp=o, 
the transition-onset temperature Tc 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 Tp=o of the 
superconductive composition; and 

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



CLAIM!,30^(New) 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 Tc 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 NIB element; 

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

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




Serial No. 08/479,810 
YO987-074BZ 



Page 74 of 80 



Docket No. 



CLAIM(|j^/(New) 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 
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 Tp=o, 
the transition-onset temperature Tc 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 Tp=o of the 
superconductive composition; and 

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

CLAIMf306 (New) 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 Tc 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 NIB element; 



Serial No. 08/479,810 
YO987-074BZ 



Page 75 of 80 



Docket No. 



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

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

CLAIM ^^(New) 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 Tc 
and a lower limit defined by an effectively-zero-bulk-resistivity intercept temperature Tp=o, 
the transition-onset temperature Tc 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 Tp=o of the 
superconductive composition; and 

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

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 76 of 80 



Docket No. 



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

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

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

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

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

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

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

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

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

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



Serial No. 08/479,810 
YO987-074BZ 



Page 77 of 80 



Docket No. 



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

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




Serial No. 08/479,810 
YO987-074BZ 



Page 78 of 80 



Docket No.