US PATENT SUBCLASS 8 / 457
.~ Discharge utilized

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}
457.~ Discharge utilized {7}
458  DF  .~.~> Chemically modified local areas
459  DF  .~.~> Oxidation dye, e.g., aniline, nitroaniline, etc.
460  DF  .~.~> Mordant dye
461  DF  .~.~> Vat dye or sulfur dye, e.g., quinonic or indigoid reducible, or sulfur organic compound reaction product dye, etc.
462  DF  .~.~> Basic dye, including diphenylmethane, triphenylmethane, xanthene, fluorene, methine, acridine, oxazine, phenazine, flavylium, naphthoperinone, quinophthalone, quaternary ammonium group, etc., containing
463  DF  .~.~> Acid (including direct) dye, e.g., sulfonated, sulfamated, etc.
464  DF  .~.~> Disperse dye

DEFINITION

Classification: 8/457

Discharge utilized:

(under subclass 445) Processes for the removal of a color from selected local areas of a substrate which has been previously colored in order to obtain pattern effects.

(1) Note. In the subclasses hereunder classification is only on the dye discharged.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102, for stripping color entirely from fabrics.

446, for agents applied to prevent the development of color from a previously applied intermediate or dye component as such agents are not regarded as being discharges for the purposes of this subclass.