US PATENT SUBCLASS 524 / 558
.~.~.~.~.~ Acid or ester contains an oxygen atom which is other than part of a free carboxyl group or carboxylic acid ester group


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}
543  DF  .~.~.~ Polymer derived from ethylenic reactants only {11}
556  DF  .~.~.~.~ From carboxylic acid or ester thereof monomer {5}
558.~.~.~.~.~ Acid or ester contains an oxygen atom which is other than part of a free carboxyl group or carboxylic acid ester group


DEFINITION

Classification: 524/558

Acid or ester contains an oxygen atom which is other than part of a free carboxyl group or carboxylic acid ester group:

(under subclass 556) Subject matter wherein the carboxylic acid or ester monomer contains at least one oxygen atom which is not part of a --OH or -O-R group.