US PATENT SUBCLASS 8 / 575
.~ Sulfur-containing hetero ring

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}
575.~ Sulfur-containing hetero ring

DEFINITION

Classification: 8/575

Sulfur-containing hetero ring:

(under subclass 550) Subject matter wherein the organic additive is a compound with a sulfur-containing hetero ring.