US PATENT SUBCLASS 252 / 637
.~.~ Actinide having nonactinide component

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

625  DF  RADIOACTIVE COMPOSITIONS {4}
636  DF  .~ Nuclear reactor fuel {4}
637.~.~ Actinide having nonactinide component {3}
638  DF  .~.~.~> Oxide component
639  DF  .~.~.~> Carbon containing component
640  DF  .~.~.~> Free metal or metal compound component

DEFINITION

Classification: 252/637

Actinide having nonactinide component:

(under subclass 636) Compositions containing an actinide containing component and a nonactinide component.

(1) Note. In this and indented subclasses, burnable poisons are classified by the form in which they appear in the final product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

638, for boron oxide.

640, for metal borides.