US PATENT SUBCLASS 528 / 361
.~.~ From ether, metal alcoholate, or alcohol group-containing carboxylic acid; or from a derivative of a carboxylic acid which derivative contains an ether, metal alcoholate, or alcohol group

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
271  DF  .~ FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF {10}
361.~.~ From ether, metal alcoholate, or alcohol group-containing carboxylic acid; or from a derivative of a carboxylic acid which derivative contains an ether, metal alcoholate, or alcohol group

DEFINITION

Classification: 528/361

(under subclass 271) Subject matter wherein (1) a carboxylic acid contains an ether, alcohol, or metal alcoholate group, or (2) a carboxylic acid derivative contains an ether, alcohol, or metal alcoholate group.

(1) Note. Both the acid and its derivative may contain an ether, alcohol, or metal alcoholate group.

SEE OR SEARCH THIS CLASS, SUBCLASS:

365, for the interpolymerization of a noncyclic ether-containing carboxylic acid or derivative and a cyclic ether reactant.