US PATENT SUBCLASS 8 / 485
.~ Two or more sequential dye application steps

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

478  DF  PATTERN EFFECT DYEING, PROCESS, COMPOSITIONS, OR PRODUCTS {6}
485.~ Two or more sequential dye application steps

DEFINITION

Classification: 8/485

Two or more sequential dye application steps:

(under subclass 478) Subject matter involving two or more sequential dye applications to produce a pattern dyeing effect.

SEE OR SEARCH THIS CLASS, SUBCLASS:

502, for replenishing a dye solution in a dye bath.

504, for plural applications of the same dye wherein no pattern dyeing effect is produced.

529+, for one or two bath union dyeing of fiber mixtures (or blends).