US PATENT SUBCLASS 8 / 546
.~ Thiosulfato 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}
546.~ Thiosulfato group containing dye

DEFINITION

Classification: 8/546

Thiosulfato group containing dye:

(under subclass 543) Subject matter using thiosulfato group containing dyes, e.g., -S-SO3Na, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

652, sulfur dyes which change by reduction to thiosulfato dyes