US PATENT SUBCLASS 528 / 360
.~.~ From sulfur-containing carboxylic acid

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}
360.~.~ From sulfur-containing carboxylic acid

DEFINITION

Classification: 528/360

(under subclass 271) Subject matter wherein a carboxylic acid or a derivative thereof contains a sulfur atom.

(1) Note. The sulfur atom may be in the carboxylic acid portion, in the derivative portion, or in both the acid and derivative thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

364, for the interpolymerization of a nonsulfur-containing carboxylic acid or derivative and a sulfur reactant.