US PATENT SUBCLASS 424 / 656
.~.~.~ Potassium dichromate

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

600  DF  INORGANIC ACTIVE INGREDIENT CONTAINING {20}
617  DF  .~ Heavy metal or compound thereof {14}
655  DF  .~.~ Chromium {1}
656.~.~.~ Potassium dichromate

DEFINITION

Classification: 424/656

Potassium dichromate:

(under subclass 617) Compositions which contain the chromium compound potassium dichromate.