US PATENT SUBCLASS 424 / 608
.~.~ Heavy metal containing (e.g., nitroprusside, etc.)

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}
608.~.~ Heavy metal containing (e.g., nitroprusside, etc.) {1}
609  DF  .~.~.~> Thiocyanates

DEFINITION

Classification: 424/608

Heavy metal containing (e.g., nitroprusside, etc.):

(under subclass 607) Compositions which contain a heavy metal cyanide, cyanate, or thio analog.

(1) Note. See subclass 617 for a list of the elements considered to be heavy metals.