US PATENT SUBCLASS 524 / 599
.~.~.~ From carboxylic acid or derivative 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}
599.~.~.~ From carboxylic acid or derivative reactant {3}
600  DF  .~.~.~.~> Carboxylic acid contains three or more acid groups or derivative thereof
601  DF  .~.~.~.~> From dicarboxylic acid or derivative and at least one polyol; or from a diester of a polycarboxylic acid as sole reactant {3}
606  DF  .~.~.~.~> Nitrogen-containing reactant {2}

DEFINITION

Classification: 524/599

From carboxylic acid or derivative reactant:

(under subclass 1) Subject matter which involves the mixing of a nonreactant material with a solid polymer derived from at least one carboxylic acid or derivative.

(1) Note. See the Class 520 Glossary for the definition of the term "carboxylic acid or derivative".