US PATENT SUBCLASS 423 / 595
.~.~.~ Chromium (e.g., chromate, etc.)

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

579  DF  OXYGEN OR COMPOUND THEREOF {4}
592  DF  .~ Metal containing {12}
593  DF  .~.~ Plural metals or metal and ammonium {6}
595.~.~.~ Chromium (e.g., chromate, etc.) {1}
596  DF  .~.~.~.~> And alkali metal, alkaline earth metal, or ammonium containing {1}

DEFINITION

Classification: 423/595

(under subclass 593) Products or processes which comprises chromium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

58, for processes of treating mixtures to obtain a plural metal compound wherein one of the metals is chromium, including the step of forming an insoluble substance in a liquid.