US PATENT SUBCLASS 424 / 612
.~.~ Hydrocyanic acid

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}
607  DF  .~ Hydrogen metal cyanide, cyanide, cyanate, or thio analog thereof {4}
612.~.~ Hydrocyanic acid

DEFINITION

Classification: 424/612

Hydrocyanic acid:

(under subclass 607) Compositions which contain hydrocyanic acid.

(1) Note. Synonyms/Examples: Prussic acid, hydrogen cyanide, formonitrile.