US PATENT SUBCLASS 8 / 602
.~ Nitrogen-containing, other than nitro or nitroso

Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

550  DF  ORGANIC ADDITIVE FOR DYE COMPOSITION, DYE COMPOSITION CONTAINING ORGANIC ADDITIVE, PROCESS OR PRODUCT; OTHER THAN EMULSIFIER, PH ADJUSTER OR STARCH OR GUM PRINT PASTE THICKENER {24}
602.~ Nitrogen-containing, other than nitro or nitroso {4}
603  DF  .~.~> Nitrile
604  DF  .~.~> Amino alkanol
605  DF  .~.~> Anilines
606  DF  .~.~> Quaternary ammonium compound

DEFINITION

Classification: 8/602

Nitrogen-containing, other than nitro or nitroso:

(under subclass 550) Subject matter wherein the organic additive contains a nitrogen atom which is other than nitro or nitroso.