US PATENT SUBCLASS 8 / 587
.~ Sulfur-containing

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

550  DF  ORGANIC ADDITIVE FOR DYE COMPOSITION, DYE COMPOSITION CONTAINING ORGANIC ADDITIVE, PROCESS OR PRODUCT; OTHER THAN EMULSIFIER, PH ADJUSTER OR STARCH OR GUM PRINT PASTE THICKENER {24}
587.~ Sulfur-containing {3}
588  DF  .~.~> Sulfonic acids or sulfonic acid esters {2}
592  DF  .~.~> Sulfamic or sulfinic acids, salts, or esters
593  DF  .~.~> Sulfonamides

DEFINITION

Classification: 8/587

Sulfur-containing:

(under subclass 550) Subject matter wherein the organic additive contains at least one sulfur atom, e.g., sulfonium, suifones, etc.