US PATENT SUBCLASS 8 / 652
.~.~ Sulfur dye (sulfur-organic reaction product 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}
650  DF  .~ Sulfur dye or vat dye {3}
652.~.~ Sulfur dye (sulfur-organic reaction product dye)

DEFINITION

Classification: 8/652

Sulfur dye (sulfur-organic reaction product dye):

(under subclass 650) Subject matter involving a sulfur dye.

(1) Note. See the Glossary for a definition of sulfur dye.