US PATENT SUBCLASS 526 / 217
.~.~.~ Material contains organic nitrogen compound

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}
89  DF  .~.~ Polymerizing in the presence of a specified material other than monomer {28}
217.~.~.~ Material contains organic nitrogen compound {2}
218.1  DF  .~.~.~.~> Organic compound contains N=N or N-N group {5}
220  DF  .~.~.~.~> Organic nitrogen compound contains at least one S or O atom chemically bound therein

DEFINITION

Classification: 526/217

(under subclass 89) Subject matter wherein the specified material contains an organic compound having at least one nitrogen atom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

199, for a polymerization process in the presence of a polypeptide.

211, for a polymerization process in the presence of a nitrogen-containing alcohol or alcoholate.

215, for a polymerization process in the presence of a nitrogen-containing carboxylic acid, salt, ester, or anhydride thereof.