US PATENT SUBCLASS 8 / 594
.~ Carboxylic acid or salt thereof

Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

550  DF  ORGANIC ADDITIVE FOR DYE COMPOSITION, DYE COMPOSITION CONTAINING ORGANIC ADDITIVE, PROCESS OR PRODUCT; OTHER THAN EMULSIFIER, PH ADJUSTER OR STARCH OR GUM PRINT PASTE THICKENER {24}
594.~ Carboxylic acid or salt thereof {3}
595  DF  .~.~> Tannins or tannic acid {1}
597  DF  .~.~> Amine
598  DF  .~.~> Acyclic {3}

DEFINITION

Classification: 8/594

Carboxylic acid or salt thereof:

(under subclass 550) Subject matter wherein the organic additive is a carboxylic acid or salt thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

580, for higher fatty acids, i.e., monocarboxylic acids having eight or more carbons in the chain.