US PATENT SUBCLASS 510 / 476
.~.~.~ Carboxylic acid anhydride, free carboxyl group, or salt thereof in the polymer

Current as of: June, 1999
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510 /   HD   CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS

108  DF  CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21}
461  DF  .~ Specific organic component (e.g., triazines, etc.) {15}
475  DF  .~.~ Synthetic polymer or natural rubber (other than polyether, such as polyethylene glycol, alkylene oxide condensation products, etc.) {1}
476.~.~.~ Carboxylic acid anhydride, free carboxyl group, or salt thereof in the polymer

DEFINITION

Classification: 510/476

Carboxylic acid anhydride, free carboxyl group, or salt thereof in the polymer:

(under subclass 475) Compositions wherein the polymer contains a carboxylic acid anhydride or a free carboxyl substituent, or is a salt of the carboxyl substituent.