US PATENT SUBCLASS 510 / 398
.~.~.~ Polycarboxylic acid component, or acid anhydride, salt, or ester thereof (e.g., maleic anhydride polymer, polyacrylic acid, etc.)

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}
395  DF  .~ With scrubbing or scouring component (e.g., containing an abrasive, etc.) {3}
397  DF  .~.~ Liquid composition (e.g., slurry, etc.) {1}
398.~.~.~ Polycarboxylic acid component, or acid anhydride, salt, or ester thereof (e.g., maleic anhydride polymer, polyacrylic acid, etc.)

DEFINITION

Classification: 510/398

Polycarboxylic acid component, or acid anhydride, salt, or ester thereof (e.g., maleic anhydride polymer, polyacrylic acid, etc.):

(under subclass 397) Compositions which include a component which contains plural carboxyl groups attached to one another by direct or indirect nonionic bonding, or an acid anhydride, salt, or ester of the component.