US PATENT SUBCLASS 8 / 425
.~.~ Mordant, solvent dye formation or metallized azo 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}
425.~.~ Mordant, solvent dye formation or metallized azo dye

DEFINITION

Classification: 8/425

Mordant, solvent dye formation or metallized azo dye:

(under subclass 405) Subject matter using a metallic or polymeric mordant; solvent dye formation or a metallized dye on hair.

(1) Note. See the glossary for the definition of mordant and solvent dye.