US PATENT SUBCLASS 8 / 568
.~ Six-membered hetero ring consisting of one nitrogen and five carbon atoms

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}
568.~ Six-membered hetero ring consisting of one nitrogen and five carbon atoms {1}
569  DF  .~.~> Quinolines

DEFINITION

Classification: 8/568

Six-membered hetero ring consisting of one nitrogen and five carbon atoms:

(under subclass 550) Subject matter wherein the organic additive is a hetero compound having a six-member ring with only one N group therein.