US PATENT SUBCLASS 527 / 315
.~.~.~ With heterocyclic reactant other than carbohydrate

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}
313  DF  .~.~ Ethylenically unsaturated reactant {2}
315.~.~.~ With heterocyclic reactant other than carbohydrate

DEFINITION

Classification: 527/315

With heterocyclic reactant other than carbohydrate:

(under subclass 313) Subject matter wherein there is a heterocyclic reactant in addition to the ethylenically unsaturated reactant and wherein the heterocyclic reactant is a noncarbohydrate containing material.

SEE OR SEARCH CLASS

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