US PATENT SUBCLASS 528 / 365
.~.~ With reactant containing at least one cyclic ether group

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
365.~.~ With reactant containing at least one cyclic ether group {1}
366  DF  .~.~.~> Contains a single 1,2-epoxy group

DEFINITION

Classification: 528/365

(under subclass 271) Subject matter for a polymer derived from at least one carboxylic acid or derivative and at least one cyclic ether reactant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

361, for a polymer derived from an ether-containing carboxylic acid or ether-containing derivative thereof.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see the Glossary for a definition of the term "ether".