US PATENT SUBCLASS 8 / 515
.~ Polymer from isocyanate and polyol, e.g., polyurethane, etc., 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}
515.~ Polymer from isocyanate and polyol, e.g., polyurethane, etc., substrate

DEFINITION

Classification: 8/515

Polymer from isocyanate and a polyol, e.g., polyurethane, etc., substrate:

(under subclass 506) Subject matter for dyeing substrate derived from a polyol and an isocyanate, e.g., polyurethane, etc.

(1) Note. Blocked isocyanates are included herein as being isocyanate reactants.

SEE OR SEARCH CLASS

521, Synthetic Resins or Natural Rubbers,

53, for treating a foamed solid polymer.