US PATENT SUBCLASS 424 / 635
.~.~.~ Oxide

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

600  DF  INORGANIC ACTIVE INGREDIENT CONTAINING {20}
617  DF  .~ Heavy metal or compound thereof {14}
630  DF  .~.~ Copper {7}
635.~.~.~ Oxide

DEFINITION

Classification: 424/635

Oxide:

(under subclass 630) Compositions which contain copper oxide.