US PATENT SUBCLASS 528 / 75
.~.~ Reactant contains at least one ethylenically unsaturated 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}
44  DF  .~ FROM REACTANT HAVING AT LEAST ONE -N=C=X GROUP (WHEREIN X IS A CHALCOGEN ATOM) AS WELL AS PRECURSORS THEREOF, E.G., BLOCKED ISOCYANATE, ETC. {17}
75.~.~ Reactant contains at least one ethylenically unsaturated group


DEFINITION

Classification: 528/75

(under subclass 44) Subject matter wherein at least one reactant 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".

526, Synthetic Resins or Natural Rubbers,

288, and 310+, respectively, for a polymer derived from an ethylenically unsaturated -N=C=S or -N=C=O-containing reactant as sole monomer or for an interpolymer derived from only ethylenically unsaturated reactants wherein at least one of said reactants contains a -N=C=S or -N=C=O group.