US PATENT SUBCLASS 524 / 607
.~.~.~.~.~ Two or more carboxylic acids or derivatives, or two or more nitrogen containing compounds

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}
599  DF  .~.~.~ From carboxylic acid or derivative reactant {3}
606  DF  .~.~.~.~ Nitrogen-containing reactant {2}
607.~.~.~.~.~ Two or more carboxylic acids or derivatives, or two or more nitrogen containing compounds

DEFINITION

Classification: 524/607

Two or more carboxylic acids or derivatives, or two or more nitrogen-containing compounds:

(under subclass 605) Subject matter wherein the solid polymer is derived from at least two carboxylic acids, two carboxylic acid derivatives, or at least one carboxylic acid and at least one carboxylic acid derivative; or wherein the solid polymer is derived from at least two nitrogen-containing reactants.