US PATENT SUBCLASS 505 / 778
.~.~.~ Alkaline earth (i.e., Ca, Sr, Ba, Ra)- [e.g., La(2-x)Ba(x)CuO4]

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

775  DF  HIGH Tc (ABOVE 30 K) SUPERCONDUCTING MATERIAL {3}
776  DF  .~ Containing transition metal oxide with rare earth or alkaline earth {4}
777  DF  .~.~ Lanthanum (La)-(e.g., La2Cu04) {1}
778.~.~.~ Alkaline earth (i.e., Ca, Sr, Ba, Ra)- [e.g., La(2-x)Ba(x)CuO4]

DEFINITION

Classification: 505/778

Alkaline earth (i.e., Ca, Sr, Ba, Ra) - [e.g., La(2-x)Ba(x)Cu04]:

(under subclass 777) Material wherein the material contains, in addition to the Lanthanum (La), an Alkaline Earth (i.e., Calcium (Ca), Strontium (Sr), Barium (Ba) or Radium (Ra).