US PATENT SUBCLASS 528 / 366
.~.~.~ Contains a single 1,2-epoxy 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}
365  DF  .~.~ With reactant containing at least one cyclic ether group {1}
366.~.~.~ Contains a single 1,2-epoxy group

DEFINITION

Classification: 528/366

(under subclass 365) Subject matter wherein the cyclic ether contains only a single three-membered heterocyclic ring having two carbon atoms and one oxygen atom as ring members.