US PATENT SUBCLASS 8 / 406
.~.~ Oxidation dye

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

404  DF  DYEING INVOLVING ANIMAL-DERIVED NATURAL FIBER MATERIAL (OTHER THAN SOLELY WOOL OR SILK), E.G., LEATHER, FUR, HAIR, FEATHERS, ETC., COMPOSITION, PROCESS, OR PRODUCT {2}
405  DF  .~ Hair dyeing {7}
406.~.~ Oxidation dye {7}
407  DF  .~.~.~> With dye other than oxidation dye
408  DF  .~.~.~> Plural dyes or dye and coupling agent {2}
414  DF  .~.~.~> Nitroaniline dye {1}
416  DF  .~.~.~> Aryldiamine dye
421  DF  .~.~.~> Aminophenol dye
423  DF  .~.~.~> Aminoheterocyclic dye
424  DF  .~.~.~> Phenols (natural oxidation dye)

DEFINITION

Classification: 8/406

Oxidation dye:

(under subclass 405) Subject matter utilizing dyes formed by oxidizing organic compounds.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

649, for similar processes and compositions applied to textile material, etc.