US PATENT SUBCLASS 8 / 565
.~ Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen

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}
565.~ Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen {2}
566  DF  .~.~> Triazines (including hydrogenated)
567  DF  .~.~> Diazines (including hydrogenated)

DEFINITION

Classification: 8/565

Six-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen:

(under subclass 550) Subject matter wherein the organic additive is a compound having a six-membered hetero ring, having two or more ring hetero atoms therein, at least one of which is nitrogen.