US PATENT SUBCLASS 8 / 547
.~ Quaternary ammonium group containing dye

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

543  DF  REACTIVE DYE COMPOSITION, PROCESS, OR PRODUCT {5}
547.~ Quaternary ammonium group containing dye

DEFINITION

Classification: 8/547

Quaternary ammonium group containing dye:

(under subclass 543) Subject matter using a reactive dye containing an alkylene quaternary ammonium group.

(1) Note. Included herein is an amine assisted reactive dye which forms the quaternary ammonium form of a reactive dye.