US PATENT SUBCLASS 510 / 477
.~.~ 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}
461  DF  .~ Specific organic component (e.g., triazines, etc.) {15}
477.~.~ Polycarboxylic acid component, or salt thereof {3}
478  DF  .~.~.~> With alkali metal carbonate or bicarbonate component
479  DF  .~.~.~> Ether group in the polycarboxylic component
480  DF  .~.~.~> Nitrogen attached to the polycarboxylic component by nonionic bonding (e.g., nitrilotriacetate salt, etc.)

DEFINITION

Classification: 510/477

Polycarboxylic acid component, or salt thereof:

(under subclass 461) Compositions wherein the organic component contains plural carboxyl substituents attached to one another by direct or indirect nonionic bonding, or is a salt of such substituents.