US PATENT SUBCLASS 8 / 650
.~ Sulfur dye or vat dye

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~ Sulfur dye or vat dye {3}
651  DF  .~.~> Soluble leuco ester salts
652  DF  .~.~> Sulfur dye (sulfur-organic reaction product dye)
653  DF  .~.~> Indigoid dye

DEFINITION

Classification: 8/650

Sulfur dye or vat dye:

(under subclass 636) Subject matter containing a vat or sulfur dye.

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