US PATENT SUBCLASS 424 / 641
.~.~ Zinc

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}
641.~.~ Zinc {2}
642  DF  .~.~.~> For topical application
643  DF  .~.~.~> Orally assimilable or injectable composition

DEFINITION

Classification: 424/641

Zinc:

(under subclass 617) Compositions wherein the heavy metal is zinc.

(1) Note. Synonyms/Examples: White Vitrol.

(2) Note. This subclass provides principally for compositions used to preserve substrates from biological attack; e.g., wood preservatives, etc.