US PATENT SUBCLASS 528 / 376
.~.~.~ With ethylenically unsaturated reactant


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}
373  DF  .~ FROM SULFUR-CONTAINING REACTANT {5}
374  DF  .~.~ From mercaptan or mercaptide-containing reactant {2}
376.~.~.~ With ethylenically unsaturated reactant


DEFINITION

Classification: 528/376

(under subclass 374) Subject matter wherein a mercaptan or mercaptide is reacted with at least one reactant which contains an ethylenically unsaturated group.

SEE OR SEARCH CLASS

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