US PATENT SUBCLASS 510 / 223
.~.~.~.~.~ Polycarboxylic acid component, or salt thereof

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}
109  DF  .~ For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker's pipe, etc.) {50}
218  DF  .~.~ For equipment used in processing, handling, storing, or serving edible product (e.g., dairy or brewery equipment, household utensils, etc.) {4}
220  DF  .~.~.~ For use in automatic dishwasher {7}
221  DF  .~.~.~.~ Liquid, paste, or gel (e.g., slurry, etc.) {2}
223.~.~.~.~.~ Polycarboxylic acid component, or salt thereof

DEFINITION

Classification: 510/223

Polycarboxylic acid component, or salt thereof:

(under subclass 221) Compositions which include a component having plural carboxyl substituents attached to one another

by direct or indirect nonionic bonding, or a salt of such a component.