US PATENT SUBCLASS 524 / 878
.~.~ 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

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.~.~ 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  DF  .~.~.~> Nitrogen-containing reactant

DEFINITION

Classification: 524/878

Carboxylic acid or derivative, excluding nitrile as sole derivative as reactant forming a solid polymer in the presence of a nonreactant material:

(under subclass 1) Subject matter under Class 523, ... wherein said desired or intentional composition is produced by formation of a solid polymer from at least one carboxylic acid or derivative excluding nitrile derivative as reactant in the presence of a nonreactant material.

(1) Note. "Carboxylic acid or derivative" is defined in the Class 520 Glossary.

SEE OR SEARCH CLASS

523, Synthetic Resins or Natural Rubbers,

1, for a nitrile containing reactant.