US PATENT SUBCLASS 8 / 559
.~.~.~ Carboxyalkylene cellulose

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}
552  DF  .~ Polymeric additive {5}
557  DF  .~.~ Acid polymer, e.g., carboxylated or sulfonated polymer {3}
559.~.~.~ Carboxyalkylene cellulose

DEFINITION

Classification: 8/559

Carboxyalkylene cellulose:

(under subclass 557) Subject matter wherein the organic polymer is carboxyalkylene cellulose, e.g., carboxymethyl cellulose, etc.