US PATENT SUBCLASS 522 / 174
.~.~.~ Nitrogen containing reactant contains a N-C=O or N-C=O moiety

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
1  DF  .~ COMPOSITIONS TO BE POLYMERIZED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR COMPOSITIONS TO BE MODIFIED BY WAVE ENERGY WHEREIN SAID COMPOSITION CONTAINS A RATE-AFFECTING MATERIAL; OR PROCESSES OF PREPARING OR TREATING A SOLID POLYMER UTILIZING WAVE ENERGY {27}
173  DF  .~.~ Processes of preparing a solid polymer from at least one nitrogen containing monomer; or compositions therefore {3}
174.~.~.~ Nitrogen containing reactant contains a N-C=O or N-C=O moiety {1}
175  DF  .~.~.~.~> Acrylamide or methacrylamide

DEFINITION

Classification: 522/174

Nitrogen containing reactant contains a N-C=O or N=C=O moiety:

(under subclass 173) Subject matter wherein the nitrogen monomer polymerized contains a N-C=O or N=C=O moiety.