US PATENT SUBCLASS 526 / 329.3
.~.~.~.~.~ Additional monomer is acrylonitrile or methacrylonitrile

Current as of: June, 1999
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526 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
72  DF  .~ POLYMERS FROM ONLY ETHYLENIC MONOMERS OR PROCESSES OF POLYMERIZING, POLYMERIZABLE COMPOSITIONS CONTAINING ONLY ETHYLENIC MONOMERS AS REACTANTS OR PROCESSES OF PREPARING {43}
319  DF  .~.~ From carboxylic acid ester monomer {6}
328  DF  .~.~.~ Derived from an ethylenically unsaturated carboxylic acid {2}
328.5  DF  .~.~.~.~ With additional monomer {5}
329.3.~.~.~.~.~ Additional monomer is acrylonitrile or methacrylonitrile

DEFINITION

Classification: 526/329.3

With acrylonitrile or methacrylonitrile:

(under subclass 328.5) Subject matter wherein acrylonitrile

or methacrylonitrile is interpolymerized with an ester derived from an ethylenically unsaturated carboxylic acid.