US PATENT SUBCLASS 525 / 22
.~.~.~ Specified material contains an aldehyde or derivative 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}
11  DF  .~.~ Mixed in presence of specified material or a polymerizable composition contains a specified material {8}
22.~.~.~ Specified material contains an aldehyde or derivative thereof

DEFINITION

Classification: 525/22

Specified material contains an aldehyde or derivative thereof:

(under subclass 11) Subject matter wherein the specified material contains an aldehyde group or is a derivative thereof.

SEE OR SEARCH CLASS

520, Synthetic Resins and Natural Rubbers, the Glossary for a definition of the term "aldehyde derivative".