US PATENT SUBCLASS 8 / 926
.~ Polyurethane fiber

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

920  DF  SYNTHETIC FIBER DYEING {6}
926.~ Polyurethane fiber

DEFINITION

Classification: 8/926

Polyurethane fiber:

(under subclass 920) Subject matter involving dyeing of a polyurethane.