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(Amended) A device comprising a composition of matter having 
a T c greater than 2 6°K carrying a superconducting current, said 
composition comprising at/ least one each of a Group III B 
element, an alkaline earych, and copper oxide said device is 
maintai ned at a temperature less than said T r . 



130, (Added) A superconductive apparatus comprising a composition 
having a transition temperature greater than 2 6°K, the 
composition including a rare eayth or Group III B element, a 
transition metal element capable yof exhibiting multivalent states 
and oxygen, including at lefast one phase that exhibits 
superconductivity at temperaturfe in excess of 2 6°K, a means for 
maintaining said composition atf said temperature to exhibit said 
superconductivity and means for passing an electrical 
superconducting current througjn said composition which exhibiting 
said superconductivity. 



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



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



3 . (Added) The superconducting apparatus of claim 27, where 
said substituted Cu-oxi/ie includes a rare earth or Group III B 
element . 



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134. (Added) The combination of claim 71, where saad mixed copper 
oxide further includes a rare earth or Group II/ B element. 

135. (Added) A combination, comprising: 



a mixed copper oxide composition including an alkaline 
earth element (AE) and a rare earth or Group III B 
element (RE), said composition leaving 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 j^n a superconducting state at 

a temperature in excess / of 2 6°K, said mixed copper 
oxide having a superconducting onset temperature 
greater than 2 6°K and, 



] ^"electrical means / for passing an electrical 
^/M] superconducting cu/rent through said composition when 
J/ a | said^2<5mposition exhibits substantially zero resistance 
a temperature? greater than 26°K and less than said 
onset temperature. 

136. (Added) The ycombination of claim 77, where said crystalline 
structure is substantially perovskite. 




137. (Added) 



formin 



apparatus comprising: 



a composition including a transition metal, a 

rare fearth or Grobp III B element, an' alkaline earth 

element, and oxygen, Nrfhere said composition is a mixed 

transition metal oxiofe. having a non-stoichimetric 

of oxygen tlWein and exhibiting a 

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amount 
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superconducting state at a temperature greater than 
26°K,\ 

means fpr maintaining said composition in said 

superconducting state at a temperature greater than 
6°K, and \j-ess than said superconducting onset 
temperature, ai 

means for passing\an electrical current through said 

composition while \said composition is iri7 said 
superconducting state. 



138. (Added) The apparatus of claim 93, where 
material exhibits a substantially layered cryst 



tid copper oxide 
.line structure. 



139. (Added) 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 n&de of a superconductive 
composition, the superconductive composition consisting 
essentially of a copper/oxide compound having a 
substantially layered perafvskite crystal structure, the 
composition having d superconductor transition 
T c of greater than 2 6°K; 




(b) means for maintaining the superconductor element at 
a temperature abo^e 2 6°K and below the superconductor 
transition temperature T c of the superconductive 
composition; anc 



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

140. (Added) 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-oxides compound having a 
substantially layered perovskit/e crystal structure, the 
copper-oxide compound including at least one rare-earth 
or Group III B element and it least one alkaline-earth 
element, the composition having a 
superconductive/resistive/ transition defining a 
superconductive/resisitye- transit ion temperature range 
between an upper limix defined by a transition-onset 
temperature T c and / a lower limit defined by an 
ef f ectively-zero-bu/k-resistivity intercept temperature 

, the transitioh-onset temperature T c being greater 

than 26°K; / 

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

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

141. (Added) 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, 

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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, afnd 

a current source passing an electrical supercutrent through said 
transition metal oxide while it is in said ^Superconducting state, 

142. (Added) The apparatus of claim 14£, where said transition 
metal oxide is comprised of a transition metal capable of 
exhibiting multivalent states. 

143. (Added) The apparatus of claim 141, where said transition 
metal oxide is comprised of a/Cu oxide, 



144. (Added) An apparatus/comprising: 



a composition incdjjdiHrg^a transition metal, a rare 
earth or rare aarth-lik^element, an alkaline earth 
element, and o^gerrTwiere said composition is a mixed 
ion metal oxide having a non-stoichiometric 
ount 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. 



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

14 6. (i^dded) A method, including the steps of: 




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 2 6°K at which temperature 
said composition exhibits said superconductive state, 
and 

a current sourcte passing an electrical current through 
said composition\while said composition is in said 
superconductive suate. 



147. (Added) The method ok claim 146, where said composition is 
comprised of a metal oxide .\ 

148. (Added) The metal of claim 146, where said composition is 
comprised of a transition metaAoxide . 

149. (Added) A superconductive apparatus f6r causing electric 
current flow in a superconductive state /t a temperature in 
excess of 26°K, comprising: 




(a) a superconductor element made of a superconductive 
composition, the superconduct/ve composition consisting 
essgntlall-yof a copper-oxide compound having a 

-type oerovskite-like/crystal structure, the 



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composition having a superconductor transition 
temperature T c of greater than 2 6°K; 

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



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

150. (Added) 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-eartl 
element and at least one alkaline-earth element. \tL 




( 



151. (Added) The superconductive apparatus according to claim 150 
in which the rare-earth or rare-earth-like element is lanthanum. 



. (Added) The superconductive apparatus according to claim 150 
in which the alkalineAearth element is barium. 

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

154. (Added) The superconductive apparatus according to claim 153 
in which the copper-oxide compound includes at least one element 
in a nonstoichiometric atomic proportion. 

155. (Added) The superconductive apparatus according to claim 



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154 in which oxygen is present in the copper-oxide compo' 
nonstoichiometric atomic proportion. 



in a 



156. (Added) A superconductive apparatus for concocting an 
electric current essentially without resistive /Losses, 
comprising: 



(a) a superconductor element made a superconductive 
composition, the superconductive composition consisting 
essent^rEbv of a copper^oxi^e compound having a 
layei(^typ^perovskite-li costal structure, the 
copper-oxide ^oi^^inds^nclud^ng at least one rare-earth 



ie compo 
r£h-like 



or rare-ear^h-like^ementy&nd at least one 
alkaline-earth_element, the composition having a 
superconductive/resistiye-transition defining a 
superconductive/resistive-transition temperature range 
between an upper limi/t defined by a transition-onset 
temperature T c and ar lower limit defined by an 
effectively- zero-j^ulk-resistivity intercept temperature 

p-o , the transit/ion-onset temperature T c being greater 
than 2 6°K; 

(b) a temperature controller maintaining the 
superconductor element at a temperature below the 
ef f ectively-zero-bulk- resistivity intercept 



temperature T p=0 of the superconductive composition; and 



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



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



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

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

160. (Added) The superconductive apparatus according to claim 159 
in which the copper-oxide compound includes at least one element 
in a nonstoichiometric atomic proi^ortion. 



161. (Added) The superconductive apparatus according to claim 160 
in which oxygen is present in/the copper-oxide compound in a 
nonstoichiometric atomic proportion. 



162. (Added) An apparatus /including copper oxide having a phase 

erein which exhibits a/superconducting state at a critical 
temperature in excess O/t 2 6°K; 



a temperature contro/ler maintaining the temperature of said 
material at a tempe/ature less than said critical temperature to 
produce said superconducting state in said phase; 



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



said coppe^ oxide includes at l,^ast one el ement selected from the 
group consisting of a Group II A element, a rare earth element 
and a Grgoip III B element. 



3. (Added) An apparatus\ comprising the steps of: 



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decomposition including copper, oxygen and any element selected 
frdm 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 cfeqpper oxide having a non-stoichiometric amount of oxygen 
therein and exhibiting a superconducting state at a temperature 
eater thanx6°K; 

temperature conth^)ller maintaining said composition in said 
superconducting stat£\at a temperature greater than 2 6°K; and 

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

164, (Added) An apparatus comprising: / 

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

a temperature controller maintaining ysaid 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 consist/ng of Group II A element, a rare earth 
element and a Group I/II B element. 



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I 




165. (Added) An apparatus for causing electric-current flow in a 
superconductive state at a temperature in excess of/2 6°K, 
comprising: 

(a) a superconductor element made of a superconductive 
composition, the superconductive composition consisting 
essentiality of a copp^x^Qxide compound having a 
layer-typ)fe perovsk^te-like/ crystal ^tructure, the 
composition having a— super conduct we transition 

temperature T c of greater than 2£°K, said 
superconductive composition includes at least one 
element selected from the grpup 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 2 6°K and 
below the superconductor transition temperature T c of 
the superconductive composition; and 




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



166. (Added) 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 ~oika copper-oxide compound having a 

layer-type pe^vsk^e-like^ crystal structure, the 

copper^ox'ide 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 
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element, the composition having a 
superconductive/resistive transitiptfi defining a 
superconductive/resistive-trans^tion temperature range 
between an upper limit defines by a transition-onset 
temperature T c and a lower^imit defined by an 
ef f ectively-zero-bulk-^esistivity intercept temperature 
T p =o , the transition/onset temperature T c being greater 
than 26°K; 

(b) a temperature controller maintaining the 

ipercondj^ctor element at a temperature below the 
effectively-zero-bulk- resistivity intercept 
temperature T p = 0 of the superconductive composition; and 



(c/ a current source causing an electric current to 
_ow in the superconductor element. 



167. (Added) 



apparatus comprising: 



a copper oxide having a phase therein which exhibits a 
superconducting st^te at a critical temperature in excess of 
2 6°K; 

temperature controller maintaining the temperature of said 
aterial 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 Veast one element selected from the 
group consisting of a Group II A element and at least one element 



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elected ijrom the group consisting of a rare earth Element and a 
roup III B\element. 

168. (Added) 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 j/roup 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 2 6°K; 

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



a current source passing acf electrical current through said 
composition while said composition is in said superconducting 
ate. 



169. (Added) An apparatus comprising: 



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

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 sfaurce passing an electrical current through said 
composition while said composition is in said superconductive 
state; ar 



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

170. (Added) A superconductive apparatus fjzfr causing 
electric-current flow in a superconductive state at a temperature 
in excess of 26°K, comprising: 



a 




(a) a superconductor element Aade of a superconductive 
composition, the superconductive composition consisting 
^&ert^al.ly of a cop^j^^p^de compound having a 
(layer^ype^erovsk^ structure, the 
composition ha ving^asuper conductive transition 
temperature T c of greater than 2 6°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 

B element// 

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



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



171. y(Added) A superconductive apparatus for conducting an 
elecyfcric current essentially without resistive losses, 
coitiprismg: 

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



/layer-t ^ 



■type perovskite-like^ crystal structure, the 
coppex^oxlde compound_including at l^ast one element 
selected from the group consistinq/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-resisti^e-transition temperature range 
between an upper lirni^ defined by a transition-onset 
temperature T c and & lower limit defined by an 
effectively- zero-bulk-resistivity intercept 
temperature T p=0 / the transition-onset temperature T c 
being greater /than 2 6°K; 

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



{cn a current source causing an electric current to 
flow in the superconductor element. 

llf. (Added) An apparatus comprising: 



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



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

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

said transitional metal o^ide includes at least one element 
spigoted 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. 

173. \Added) An apparatus comprising: 

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

a temperature controller i&aintaining said composition in said 
superconducting state at a \emperature greater than 2 6°K; and 

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

174. (Added) A method including the ssteps of: 



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ling a composition exhibiting a superconductive state at a 
\emperature in excess of 2 6°K; 

a temperature controller maintaining said composition at a 
temperature in excess of 2 6°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 Vare earth element and a Group III B element. 

175. (Added) A superconductive apparatus for causing 
electric-current flc\w 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 
es^n-te^lTy^of a transd^toof^metal oxide compound having 



) 



a/layer-typeyperovskite-likeycrystal structure, the 



com posit ion havings.^a^ig^rcSnductive transition 
temperature T c of greateV than 2 6°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; 



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

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



176, (Added) 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 transitiorwm^tal-oxide compound having 
a layer-t^ crystal structure, the 

trans^x^ip.nVmetal-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 
superconductiveVresistive transition defining a 
superconductiveAesistive-transition temperature range 
between an upper limit defined by a transition-onset 
temperature T c and k lower limit defined by an 
ef fectively-zero-buM-resistivity intercept temperature 
T p =o/ the transition-oijset temperature T c being greater 
than 26°K; 



(b) a temperature controller maintaining the 

superconductor element at\a temperature below the 

effectively-zero-bulk- resistivity intercept 

temperature T p=0 of the superconductive composition; and 
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(c) a 
flow in the 



source causing an electric current to 
erconductor element. 



^77. (Added) An apparatus comprising: 

a ctopper oxide having a phase therein which exhibits a 
superconducting state at a critical temperature in excess of 
2 6°K; 

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



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



said copper oxide includes at least one element selected from 
group consisting of aV Group II A element, „ at least: one element ' 
selected from the groun consisting of a rare earth element and at 
least one element selected from the group consisting of a Group ±J ^ i 
III B element, 

178. (Added) An apparatus comprising: 

a composition including copper, Noxygen and an element selected 
from the group consisting of at iteast one Group II A element and 
at least one element selected fromNthe 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 having a non-stoichiometric amount of oxygen 
therein and exhibiting a superconducting \tate at a temperature 
greater than 26°K; 

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a temperature controller maintaining said composition in said 
Superconducting state at a temperature greater than 2 6°K; and 

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

179. (AddeoJ A structure comprising: 

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

a temperature controller maintaining said composition at a 
temperature in excess\pf 2 6°K at which temperature said 
composition exhibits said superconductive state; 



a current source passing ark 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. \ 

180. (Added) A superconductive apparatus f^r causing 
electric-current flow in a superconductive state at a temperature 
in excess of 2 6°K, comprising: \ 




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(a) a superconductor element made of a superconductive 
composition, the superconductive composition consisting 
essent^a-l-lvyxof a copper-oxide^compound having a 

.ayer-type perovskite-llke crystal structure, the 

I ( ^ 

sjmpos-i'tion having a superconductive transition 
temperature T c of greater than 26°K, said 
superconductive composition includes at least one 
element selected from the group consisting of a Group ^ 

II A erement, 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; 



C 




(b) a temperaimre controller maintaining the 
superconductor ^element at a temperature above 2 6°K and 
below the superconductor transition temperature T c of 
the superconductive composition; and 



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

181. (Added) 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 
essen^ad~ty— o£ a^coppex^oxide Compound having a 
layer^typej^^ crystal structure, the 

copper-axide co mpou nd-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 ahd at least one 
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element selected from the group consisting of a Group 
^III B element, the composition having a 
superconductive-resistive transition defining a 
superconductive/resistive-transition temperature range 
betsween an upper limit defined by a transition-onset 
temperature T c and a lower limit defined by an 
ef fec\ively-zero-bulk-resistivity intercept temperature 
Tp= 0 , the transition-onset temperature T c being greater 
than 26°K; 




(b) a temperature controller maintaining the 
superconductor element at a temperature below the 
ef f ectively-rero-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. 

182. (Added) An apparatus \comprising providing a composition 
having a transition temperature greater than 2 6°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 \ne phase that exhibits 
superconductivity at temperature\in excess of 2 6°K, a temperature 
controller maintaining said composition at said temperature to 
exhibit said superconductivity and V current source passing an 
electrical superconducting current through said composition with 
said phrase exhibiting said superconductivity. 

183. (Added) An apparatus comprising providing' a superconducting 
transition metal oxide having a superconductive onset temperature 
greater than 26°K, a temperature controller maintaining said 



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superconducting transition metal oxide at a temperature less than 
said superctmcjucting onset temperature and a current source 
flowing a supercon3ilcfeiQa current therein. 



184. (Added) An apparatus comprising a superconducting copper 
oxide having a superconductive onset temperature greater than 
2 6°K, a temperature controller maintaining/said superconducting 
copper oxide at a temperature less than/ said superconducting 
onset temperature and a current sourcze flowing a superconducting 
current in said superconducting ox£de. 

185. (Added) An apparatus comprising a superconducting oxide 
composition having a superc5>nductive onset temperature greater 

than 26°K, a temperature controller maintaining said 
superconducting copper /xide at a temperature less than said 
superconducting onset/temperature and a current source flowing a 
superconducting cur/ent therein, said composition comprising at 
one^each of/rare earth, an alkaline earth, and copper. 



86. (Added) An apparatus comprising a superconducting oxide 
composition having a superconductive onset temperature greater 
than 2 6°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. 

187. (Added) An apparatus comprising^lojsdrng a superconducting 
lectrical current ii\a transition metal oxide having a T c 
reater than 26°K and maintaining said transition metal oxide at 
a temperature less than $aid T c . 

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

/ \ ^ 

189. (Added) An apparatus comprising tKe steps of: 

a composition of the formula Ba x La*4, CuSOY, wherein x is from 
about 0.75 to about 1 and y is tbfe oxygen deficiency resulting 
from annealing said composition^ at temperatures from about 540°C 
to about 950°C and for times <zff 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 
2 6°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. 

190. (Added) An apparatus comprising a current source flowing a 
superconducting electrical current in a composition of matter 
having a T c greater than 2 6°K, said composition comprising at 
least one each of a Group III B element, an alkaline earth, and 
copper oxide and a temperature controller maintaining said 
composition of matter at a temperature less than T c . 



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

192. (Added) An apparatus comprising aycurrent source flowing a 
superconducting electrical current in/a composition of matter 
having a T c greater than 2 6°K, saic? composition comprising at 
least one each of a rare earth, and copper oxide and a 
temperature controller maintaining said composition of matter at 
a temperature less than saidyr c . 

193. (Added) An apparatus/comprising a current source flowing a 
uperconducting electrical current in a composition of matter 

havincpa T c greater than 26°K carrying, said composition 
cpaiprising at least >one each of a Group III B element, and copper 
oxide and a temperature controller maintaining said composition 
of matter at a temperature less than said T c . 

194. (Added) Sfri apparatus comprising a current source flowing a 
superconducting electrical current in a transition metal oxide 
comprising A T C >2 6°K and a temperature controller maintaining 
said transition metal oxide at a temperature less than said T c . 

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



96. (Added) An apparatus comprising: 
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a composition including a transition metal, a Group/ill B 
element, an alkaline earth element, and oxygen, wnere 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 Sciid composition in said 
superconducting state at a temperature greater than 2 6°K, and 

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

197. (Added) The apparatus of claim 196, where said transition 
metal is copper. / 

198. (Added) A superconductive apparatus for causing electric 
current flow in ^/superconductive state at a temperature in 

xcess 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 
tfemperature T c of greater than 26°K; 

/ (b) a temperature controller maintaining the 
/ superconductor element at a temperature above 2 6°K and 
/ below the superconductor transition temperature T c of 

the superconductive composition; and 
YO987-074BZ -27- S.N. 08/479,810 



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

199. (AcMed) The superconductive apparatus according to claim 198 

in which the copper-oxide compound of the superconductive C^ H ^\ 

ompositionNincludes at least one element selected from the group 
consisting of\a rare-earth element and a Group III B element and 
at least one al\aline-earth element. 



200. (Added) The superconductive apparatus according to claim 199 
in which the rare-earsth or rare-earth-like element is lanthanum. 

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



202. (Added) The superconductive 
in which the copper-oxide compoi 
composition includes mixed va>fent 



»aratus according to claim 198 
I of the superconductive 
copper ions . 



203. (Added) The superconductive apparatus according to claim 202 
in which the copper-o^tide compound includes at least one element 
iiya nonstoichiomet/ric atomic proportion. 



204. (Added) T#e superconductive apparatus according to claim 203 
in which oxygen is present in the copper-oxide compound in a 
nonstoichi^metric atomic proportion. 

5. (Added) A superconductive apparatus for conducting an- 
ectric current essentially without resistive losses, 
comprising: 



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

ssentially 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 ^ 
lement\and a Group III B element and at least one 
kaline\earth element, the composition having a 
superconduVtive/resistive transition defining a 
superconducrive/resistive-transition temperature range 
between an upper limit defined by a transition-onset 
temperature T c Vnd a lower limit defined by an 
effectively- zero Abulk-resistivity intercept temperature 
T p =o / the transition-onset temperature T c being greater 
than 26°K; 

(b) a temperature controller maintaining the 
superconductor element at a temperature below the 

ef f ectively-zero-bulk-res\stivity intercept temperature 
T p =o of the superconductive \omposition; and 



c 



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

206. (Added) The superconductive/apparatus according to claim 205 
in which said at least one eleir^ent is lanthanum. 

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



208. (Added) The superconductive apparatus according to claim 205 
in which the copper-oxi/ae compound of the superconductive 
/ cormpsition includes mixed valent copper ions. 

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* 



209. (Added) The superconductive apparatus according to claim 208 
in which the copper-oxide compound includes at least one element 
in a nonstoichiometric atomic proportion. / 

210. (Added) The superconductive apparatus according to claim 209 
in which oxygen is present in the copper-ojn.de compound in a 
nonstoichiometric atomic proportion. / 

211. (Added) 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 coppe^oxide compound having a 
substantially layered yperovskite crystal structure, the 
composition having a/superconductive transition 
temperature T c of g/eater than 2 6°K, said 
superconductive composition includes at least one 
element selected/f rom 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 2 6°K and 
below the/ superconductor transition temperature T c of 
the superconductive composition; and 

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



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212. (Added) A superconductive apparatus for conducting an 
electric current essentially without resistive lo§£es, 
comprising: 




(a) a superconductor element made of a/superconductive 
composition, the superconductive composition consisting 
essentially of a copper-oxide comnound 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 III B 
element, the composition yftaving a 
superconductive/resistive transition defining a 
superconductive/resisfcfive-transition temperature range 
between an upper linat defined by a 
transition-onset temperature T c and a lower limit 
defined by an effectively-zero-bulk-resistivity 
intercept temperature T p=0 / the transition-onset 
temperature l/being greater than 2 6°K; 



a temperature controller maintaining the 
superconductor element at a temperature below the 
ef fectively-zero-bulk-resistivity intercept temperature 
Tp-o o/ the superconductive composition; and 



{d) a current source causing an electric current to 
:low in the superconductor element. 

213. (Added) A superconductive apparatus for causing 

ectric-current flow i\ a superconductive state at a temperature 
n excess of 2 6°K, comprising: 



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

ntially layered perovskite crystal structure, the 
)Osition having a superconductive transition 
temperature T c of greater than 2 6°K, said 
^^^-superconductive composition includes at least one 

\ JlementXselected from the group consisting of a Group c ^ M ^( 

M/lI A element and at least one element selected from theT tx% 
tf/ group consisting of a rare earth element and a Group 
v/ in b elemeVt; 

(b) a temperature controller maintaining the 
superconductor \element at a temperature above 2 6°K and 
below the superconductor transition temperature T c of 
the superconductive composition; and 

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

214. (Added) 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-oxidfe compound having a 
substantially layered perovsk\te 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 ^elected from the 
group consisting of a rare earth element and a Group 
III B element, the composition having a 

YO987-074BZ -32- \ S.N. 08/479,810 



superconductive/resistive transition defining a 
superconductive-resistive-transition temperature range 
between an upper limit defined by a transition-onset 
temperature T c and a lower limit defined by an 
effectively- zero-bulk-resistivity intercept 
temperature T p = 0 , the transition-onset temperature T c 
be\ng greater than 2 6°K; 



(b) aNtemperature controller maintaining the 
superconductor element at a temperature below the 
ef f ectivetly-zero-bulk-resistivity intercept temperature 
T p „o of the\superconductive composition; and 



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

215. (Added) A superconductive apparatus for causing 
electric-current flow rn a superconductive state at a temperature 
in excess of 2 6°K, comprising: 

(a) a superconductor element made of a superconductive 

composition, the superconductive composition consisting 

essentially of a transition metal oxide compound having 

a substantially layered perovskite crystal structure, 

the composition having a superconductive transition 

temperature T c of greater than\26°K, said 

superconductive composition inc\udes at least one 

element selected from the group consisting of a Group <f ^ 

II A element and at least one element selected from the 
group consisting of a rare earth element and a Group 

III B element; \ 





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\ (b) a temperature controller maintaining the 

\ superconductor element at a temperature above 2 6°K and 
below the superconductor transition T c of the 
superconductive composition; and 

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

216, (Added) A superconductive apparatus for conducting an 
electric current essentially without resistive losses, 
comprising: \ 

(a) a superconductor element made of a superconductive 
composition, thA superconductive composition consisting 
essentially of a\transition metal-oxide compound having 
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 having a C ^ 
superconductive/resistive transition defining a 
superconductive/resistivet-transition temperature range 
between an upper limit defined by a transition-onset 
temperature T c and a lower lVmit defined by an 
effectively- zero-bulk-resistYvity intercept temperature 
TVo/ the transition-onset temperature T c being greater 
than 26°K; \ 

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

YO987-074BZ -34- \ S.N. 08/479,810 



r 





(c) a current N^ource causing an electric current to 
flow in the superconductor element. 



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

218. (Added) An apparatus according to clainf 183 wherein said 
superconducting transistor metal oxide coptprises a substantially 
layered perovskite crystal structure. 

219. (Added) An apparatus according Jto claim 184 wherein said 
superconducting copper oxide comprises a substantially layered 
perovskite crystal structure. 

220. (Added) An apparatus according to claim 185 wherein said 
superconducting oxide composition comprises a substantially 
layered perovskite crysta^/ structure. 

221. (Added) An apparatus according to claim 186 wherein said 
superrconducting oxide' composition comprises a substantially 

ayered perovskite ^crystal structure, 

222. (Added) An Apparatus according to claim 187 wherein said 
transistor metal oxide comprises a substantially layered 
perovskite crystal structure. 



223. (Addea) An apparatus according to claim 188 wherein said 
copper ox/lde comprises a substantially layered perovskite crystal 
structu] 



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



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

22 6. (Added) An apparatus according /to claim 191 wherein said 
composition of matter comprises substantially layered perovskite 
crystal structure . 

227. (Added) An apparatus accc/rding to claim 192 wherein said 
composition of matter comprises a substantially layered 
perovskite crystal structu^. 

228. (Added) An apparatus according to claim 193 wherein said 
composition of matter ^comprises substantially layered perovskite 

>ystal structure. 

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

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

REMARKS 



Reconsideration is respectfully requested in view of any changes 
to the claims and the remarks herein. Please contact the 
undersigned to conduct a telephone interview in accordance with 

YO987-074BZ -36- S.N. 08/479,810