US PATENT SUBCLASS 8 / 643
.~.~ Anthraquinone dye


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

636  DF  DYE OR POTENTIAL DYE COMPOSITION, ADDITIVE, TREATMENT, PROCESS, PRODUCT, OR ANCILLARY DYE OPERATION {12}
638  DF  .~ Mixed dyes, noncomplexed {4}
643.~.~ Anthraquinone dye


DEFINITION

Classification: 8/643

Anthraquinone dye:

(under subclass 638) Subject matter wherein at least one of the dyes is an antraquinone dye.