US PATENT SUBCLASS 524 / 556
.~.~.~.~ From carboxylic acid or ester thereof monomer


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
543  DF  .~.~.~ Polymer derived from ethylenic reactants only {11}
556.~.~.~.~ From carboxylic acid or ester thereof monomer {5}
557  DF  .~.~.~.~.~> Polyvinyl alcohol or modified forms thereof
558  DF  .~.~.~.~.~> Acid or ester contains an oxygen atom which is other than part of a free carboxyl group or carboxylic acid ester group
559  DF  .~.~.~.~.~> Ester contains two or more ester groups or at least one carboxylic ester group and at least one free acid group; or carboxylic acid contains two or more free carboxyl groups
560  DF  .~.~.~.~.~> From ester derived from at least one unsaturated carboxylic acid and a saturated alcohol, e.g., methyl methacrylate, etc. {2}
563  DF  .~.~.~.~.~> From ester derived from ethylenically unsaturated alcohol and saturated carboxylic acid, e.g., vinyl acetate, etc. {1}


DEFINITION

Classification: 524/556

From carboxylic acid or ester thereof monomer:

(under subclass 543) Subject matter wherein the solid polymer is derived from an ethylenic monomer which is a carboxylic acid or carboxylic acid ester.

(1) Note. See the Class 520 Glossary for a definition of the terms "carboxylic acid or derivative" which includes a discussion of carboxylic acid ester.