US PATENT SUBCLASS 510 / 480
.~.~.~ Nitrogen attached to the polycarboxylic component by nonionic bonding (e.g., nitrilotriacetate salt, 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}
461  DF  .~ Specific organic component (e.g., triazines, etc.) {15}
477  DF  .~.~ Polycarboxylic acid component, or salt thereof {3}
480.~.~.~ Nitrogen attached to the polycarboxylic component by nonionic bonding (e.g., nitrilotriacetate salt, etc.)

DEFINITION

Classification: 510/480

Nitrogen attached to the polycarboxylic component by nonionic bonding (e.g., nitrilotriacetate salt, etc.):

(under subclass 477) Compositions wherein the polycarboxylic component contains a nitrogen substituent which is attached to the component by nonionic bonding which may be direct or indirect.