US PATENT SUBCLASS 8 / 429
.~.~ Developed on the hair

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}
429.~.~ Developed on the hair

DEFINITION

Classification: 8/429

Developed on the hair:

(under subclass 405) Subject matter wherein a dye is developed on the hair.

(1) Note. This subclass includes an azo coupling reaction on the fiber and vat dye development, e.g., phthalocyanine dye development, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406, for developing a dye on the hair using an oxidation or nitroaniline-type dye.