US PATENT SUBCLASS 252 / 643
.~.~ Actinide oxides only

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

625  DF  RADIOACTIVE COMPOSITIONS {4}
636  DF  .~ Nuclear reactor fuel {4}
643.~.~ Actinide oxides only

DEFINITION

Classification: 252/643

Actinide oxides only:

(under subclass 636) Compositions wherein the nuclear fuel consists only of oxides of plural actinide elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

637, for nuclear fuels containing actinides oxycarbides or oxynitrides.

SEE OR SEARCH CLASS

423, Chemistry of Inorganic Compounds,

260+, for uranium oxides.