US PATENT SUBCLASS 524 / 879
.~.~.~ 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}
878  DF  .~.~ Carboxylic acid or derivative, excluding nitrile as sole derivative as reactant forming a solid polymer in the presence of a nonreactant material or mixture of materials having specified numerical limitations other than {1}
879.~.~.~ Nitrogen-containing reactant


DEFINITION

Classification: 524/879

Nitrogen-containing reactant:

(under subclass 878) Subject matter wherein there is at least one nitrogen-containing reactant.