US PATENT SUBCLASS 510 / 500
.~.~.~ Heterocyclic nitrogen (except triazines)

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}
499  DF  .~.~ Nitrogen in the component (except triazines) (e.g., amine, etc.) {4}
500.~.~.~ Heterocyclic nitrogen (except triazines)

DEFINITION

Classification: 510/500

Heterocyclic nitrogen (except triazines):

(under subclass 499) Compositions wherein nitrogen forms part of a heterocyclic ring.

SEE OR SEARCH THIS CLASS, SUBCLASS:

461, for compositions which contain triazines.