US PATENT SUBCLASS 524 / 854
.~.~.~.~.~ Monomer containing at least two carboxylic acid or derivative groups

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
849  DF  .~.~ Solid polymer from ethylenic monomer only, said polymer formed in the presence of a nonreactant material {4}
852  DF  .~.~.~ Chalcogen atom containing monomer other than ether oxygen as sole chalcogen {1}
853  DF  .~.~.~.~ Carboxylic acid or derivative monomer {1}
854.~.~.~.~.~ Monomer containing at least two carboxylic acid or derivative groups

DEFINITION

Classification: 524/854

Monomer containing at least two carboxylic acid or derivative groups:

(under subclass 853) Subject matter wherein there is at least one ethylenically unsaturated monomer which has two or more carboxylic acid or derivative groups.