US PATENT SUBCLASS 527 / 311
.~.~ With di- or higher ester of polycarboxylic acid; or with polycarboxylic acid or derivative and a compound containing two or more hydroxyl groups or salts thereof as reactants

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {6}
300  DF  .~ FROM CARBOHYDRATE OR DERIVATIVE AS A REACTANT {8}
311.~.~ With di- or higher ester of polycarboxylic acid; or with polycarboxylic acid or derivative and a compound containing two or more hydroxyl groups or salts thereof as reactants

DEFINITION

Classification: 527/311

With di- or higher ester of polycarboxylic acid; or with polycarboxylic acid or derivative and a compound containing two or more hydroxyl groups or salts thereof as reactants:

(under subclass 300) Subject matter wherein in addition to the carbohydrate or derivative there is a reactant system comprising a di- or higher ester of polycarboxylic acid or a carboxylic acid or derivative admixed with a polyhydroxyl compound.

(1) Note. When the additional reactant is a polyol-polycarboxylic acid system, the polyol, polycarboxylic acid, and carbohydrate can be admixed and reacted in any sequence or simultaneously.