US PATENT SUBCLASS 8 / 516
.~ Amide polymer substrate


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}
516.~ Amide polymer substrate {1}
517  DF  .~.~> Natural polyamide, e.g., casein, gelatin, keratin, collagen, etc.


DEFINITION

Classification: 8/516

Amide polymer substrate:

(under subclass 506) Subject matter for dyeing a polyamide substrate.