US PATENT SUBCLASS 8 / 533
.~ Polyster fiber and wool or silk fiber

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

529  DF  MULTIPLE CHEMICALLY DIVERSE FIBERS OR FIBERS WITH DIFFERENT CROSS SECTION, PROCESS OF DYEING OR PRODUCT {5}
533.~ Polyster fiber and wool or silk fiber

DEFINITION

Classification: 8/533

Polyester fiber with wool or silk fiber:

(under subclass 529) Subject matter involving dyeing a blend of polyester with wool or silk.