US PATENT SUBCLASS 522 / 91
.~.~.~ With a polysiloxane reactant or polymer

Current as of: June, 1999
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522 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY {27}
90  DF  .~.~ Processes involving a polyurethane having terminal ethylenic unsaturation as reactant or as solid polymer; or compositions therefore {8}
91.~.~.~ With a polysiloxane reactant or polymer

DEFINITION

Classification: 522/91

With a polysioxane reactant or polymer:

(under subclass 90) Subject matter wherein the unsaturated polyurethane is reacted with a Si-O-Si to form a solid polymer or in the presence of a solid polymer derived from a, and wherein C is the carbon of an organic radical.