US PATENT SUBCLASS 8 / 453
.~.~ Vat dye or sulfur dye, e.g., quinonic or indigoid reducible dye, sulfur organic reaction product dye, etc.

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

445  DF  PROCESS OF PRINTING PERMANENTLY ON SUBSTRATE, OTHER THAN NOMINAL PRINTING, USING PRINT PASTE CONTAINING DISCHARGE MATERIAL, RESIST MATERIAL, OR DYE MATERIAL; OR STENCIL DYEING {4}
446  DF  .~ Resist or reserve {10}
453.~.~ Vat dye or sulfur dye, e.g., quinonic or indigoid reducible dye, sulfur organic reaction product dye, etc.

DEFINITION

Classification: 8/453

Vat dye or sulfur dye, e.g., quionic or indigoid reducible dye, sulfur-organic reaction product dye, etc.:

(under subclass 446) Processes wherein a vat or sulfur dye is

resisted.

(1) Note. See the Glossary for a definition of the terms vat dye and sulfur dye.

SEE OR SEARCH THIS CLASS, SUBCLASS:

650, for other vat and sulfur dye compositions.