US PATENT SUBCLASS 8 / 579
.~.~ Hetero ring is six-membered consisting of one oxygen and five carbons

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}
576  DF  .~ Oxygen-containing hetero ring {3}
579.~.~ Hetero ring is six-membered consisting of one oxygen and five carbons

DEFINITION

Classification: 8/579

Hetero ring is six-membered consisting of one oxygen and five carbons:

(under subclass 576) Subject matter wherein the organic additive is a six-membered ring compound with one oxygen and five carbons in the ring.