US PATENT SUBCLASS 424 / 652
.~.~ Lead

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}
652.~.~ Lead

DEFINITION

Classification: 424/652

Lead:

(under subclass 617) Compositions which contain the heavy metal lead.

(1) Note. Synonyms/Examples: litharge.

SEE OR SEARCH THIS CLASS, SUBCLASS:

627, for compositions containing compounds of lead and arsenic.