US PATENT SUBCLASS 424 / 623
.~.~.~ Oxygen compound of arsenic

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}
623.~.~.~ Oxygen compound of arsenic

DEFINITION

Classification: 424/623

Oxygen compound of arsenic:

(under subclass 620) Compositions which include a oxygen

containing compound of arsenic.

(1) Note. Examples, arsenic acid, arsenic acid cahydride, arsenious oxide, white arsenic.