US PATENT SUBCLASS 8 / 649
.~ Oxidation dye, e.g., aniline, nitroaniline, etc.

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}
649.~ Oxidation dye, e.g., aniline, nitroaniline, etc.

DEFINITION

Classification: 8/649

Oxidation dye, e.g., aniline, nitroaniline, etc.:

(under subclass 636) Subject matter involving an oxidation dye.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

406, for dyeing hair and skin by oxidation dyes.

672, for azo dyes oxidized on fibers.