US PATENT SUBCLASS 522 / 94
.~.~.~ With aldehyde or aldehyde derivative reactant, condensate or solid polymer thereof

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}
94.~.~.~ With aldehyde or aldehyde derivative reactant, condensate or solid polymer thereof

DEFINITION

Classification: 522/94

With aldehyde derivative reactant, condensate or solid polymer thereof:

(under subclass 90) Subject matter wherein the unsaturated

polyurethane is reacted with an aldehyde derivative or condensate thereof to form a solid polymer therewith; or wherein a unsaturated polyurethane is reacted in the presence of a solid polymer derived from an aldehyde or aldehyde derivative.

(1) Note. See Class 520, Glossary, for a definition of the term "aldehyde" and "aldehyde derivative".