US PATENT SUBCLASS 524 / 815
.~.~.~.~.~ Quaternary nitrogen-containing monomer, e.g., tetramethyl ammonium, etc.


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
800  DF  .~.~ Preparation of intentional or desired composition by formation of solid polymer or SICP in the presence of water as a designated nonreactant material (DNRM), or products thereof {10}
804  DF  .~.~.~ Solid polymer derived from ethylenic monomers only {13}
812  DF  .~.~.~.~ N-containing monomer other than: unsubstituted ammonium as sole nitrogen, acrylamide, methylol acrylamide, acrylonitrile and the corresponding methacryl compounds or mixtures thereof {4}
815.~.~.~.~.~ Quaternary nitrogen-containing monomer, e.g., tetramethyl ammonium, etc.


DEFINITION

Classification: 524/815

Quaternary nitrogen-containing monomer, e.g., tetramethyl ammonium, etc.:

(under subclass 812) Subject matter wherein there is at least one monomer containing NR4 wherein each R is linked to the nitrogen through a carbon atom.