US PATENT SUBCLASS 525 / 32
.~.~ Mixed with a phenolic reactant and an aldehyde or aldehyde-type reactant or reaction product thereof

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
10  DF  .~ ETHYLENICALLY UNSATURATED REACTANT ADMIXED WITH EITHER (A) A POLYMER DERIVED FROM A SATURATED DI- OR HIGHER ESTER OF A POLYCARBOXYLIC ACID AS SOLE REACTANT, OR (B) REACTION PRODUCT OF ONLY POLYCARBOXYLIC ACIDS OR ANHYDRIDES WITH ONLY COMPOUNDS HAVING AT LEAST TWO HYDROXYL GROUPS AT LEAST ONE OF WHICH IS SATURATED AND WHEREIN THE REACTION PRODUCT FORMED IS NOT AFTERTREATED PRIOR TO ADMIXTURE WITH THE UNSATURATED REACTANT EXCEPT WITH A POLYCARBOXYLIC ACID, POLYCARBOXYLIC ACID ANHYDRIDE, OR A POLYOL, AND WHEREIN NO SOLID POLYMER DERIVED FROM ETHYLENIC REACTANTS ONLY IS MIXED THEREWITH {14}
32.~.~ Mixed with a phenolic reactant and an aldehyde or aldehyde-type reactant or reaction product thereof

DEFINITION

Classification: 525/32

Mixed with a phenolic reactant and an aldehyde or aldehyde-type reactant or reaction product thereof:

(under subclass 10) Subject matter wherein a polymer derived from a di- or higher ester of a polycarboxylic acid as sole reactant or derived from polycarboxylic acid or anhydride and polyhydroxy compound is mixed with an ethylenic reactant and additionally is mixed with a phenol and an aldehyde or aldehyde-type reactant or the reaction product thereof.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, the Glossary, for definitions of the terms "aldehyde", "aldehyde-type", "phenolic reactant", and the definition of "carboxylic acid or derivative" for a discussion of "polycarboxylic".