US PATENT SUBCLASS 252 / 639
.~.~.~ Carbon containing 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  DF  .~.~ Actinide having nonactinide component {3}
639.~.~.~ Carbon containing component

DEFINITION

Classification: 252/639

Carbon containing component:

(under subclass 637) Compositions wherein the nonactinide element containing component contains carbon, including elemental carbon, inorganic carbides, and organic compounds.