US PATENT SUBCLASS 524 / 597
.~.~.~.~ Nitrogen-containing reactant

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}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
593  DF  .~.~.~ From aldehyde or derivative reactant {2}
597.~.~.~.~ Nitrogen-containing reactant {1}
598  DF  .~.~.~.~.~> Water DNRM

DEFINITION

Classification: 524/597

Nitrogen-containing reactant:

(under subclass 593) Subject matter wherein the solid polymer or SICP is derived form the aldehyde or aldehyde derivative reactant and at least one nitrogen-containing reactant.