US PATENT SUBCLASS 527 / 313
.~.~ Ethylenically unsaturated reactant

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.~.~ Ethylenically unsaturated reactant {2}
314  DF  .~.~.~> Unsaturated carboxylic acid or derivative reactant
315  DF  .~.~.~> With heterocyclic reactant other than carbohydrate

DEFINITION

Classification: 527/313

Ethylenically unsaturated reactant:

(under subclass 300) Subject matter wherein an ethylenically unsaturated reactant is present.

(1) Note. The ethylenic unsaturated reactant can be either a carbohydrate derivative (e.g., cellulose acrylate) or another unsaturated reactant.

SEE OR SEARCH CLASS

526, Synthetic Resins or Natural Rubbers,

238.2+, for solid polymers produced from ethylenic monomers only wherein there is a monomer having carbohydrate or derivative chemically bonded thereto.