US PATENT SUBCLASS 424 / 718
.~ Nitrates or nitrites or nitric acid or nitrogen oxides

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}
718.~ Nitrates or nitrites or nitric acid or nitrogen oxides

DEFINITION

Classification: 424/718

Nitrates or nitrites or nitric acid or nitrogen oxides:

(under subclass 600) Compositions which contain inorganic nitrates or nitrites or nitric acid or nitrogen oxides.

(1) Note. Synonyms/Examples. Saltpeter, gunpowder.