US PATENT SUBCLASS 8 / 518
.~ Cellulose substrate other than paper

Current as of: June, 1999
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8 /   HD   BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

506  DF  NONTEXTILE, DYEING PROCESS OR PRODUCT, INCLUDING INORGANIC FIBER {12}
518.~ Cellulose substrate other than paper {1}
519  DF  .~.~> Cellulose ester or cellulose ether

DEFINITION

Classification: 8/518

Cellulose substrate other than paper:

(under subclass 506) Subject matter wherein cellulose material, other than paper, is dyed.

(1) Note. Paper is considered as a textile material in this art.