US PATENT SUBCLASS 524 / 808
.~.~.~.~ Monomer contains nitrogen atom as part of a heterocyclic ring

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}
808.~.~.~.~ Monomer contains nitrogen atom as part of a heterocyclic ring {1}
809  DF  .~.~.~.~.~> Two or more nitrogen atoms in a single ring

DEFINITION

Classification: 524/808

Monomer contains nitrogen atom as part of a heterocyclic ring:

(under subclass 804) Subject matter wherein there is at least one ethylenically unsaturated monomer which contains at least one nitrogen atom as part of a heterocyclic ring.

(1) Note. "Heterocyclic" is defined in the Class 520 Glossary.