US PATENT SUBCLASS 424 / 621
.~.~.~ With elemental arsenic or arsenic containing compound


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}
620  DF  .~.~ Arsenic {9}
621.~.~.~ With elemental arsenic or arsenic containing compound


DEFINITION

Classification: 424/621

With elemental arsenic or arsenic containing compound:

(under subclass 620) Compositions which contain elemental arsenic or an inorganic arsenic compound and an organic compound which contains arsenic.

(1) Note. Example: Paris Green, etc.