US PATENT SUBCLASS 524 / 287
.~.~.~.~.~.~ Aryl 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}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
284  DF  .~.~.~.~.~ Carboxylic acid or derivative and wherein the derivative is other than a metal salt DNRM {3}
287.~.~.~.~.~.~ Aryl group {5}
288  DF  .~.~.~.~.~.~.~> Atom other than C, H, or O {1}
290  DF  .~.~.~.~.~.~.~> Oxygen atom other than as part of a carboxylic acid or ester group {2}
293  DF  .~.~.~.~.~.~.~> Carboxylic acid or ester groups each directly attached to separate aryl groups through the carbonyl of the carboxylic acid or ester group
294  DF  .~.~.~.~.~.~.~> Two or more carboxylic acids or ester groups each directly attached to a nuclear carbon of the same aryl group through the carbonyl of the carboxylic acid or ester group {1}
299  DF  .~.~.~.~.~.~.~> Two or more aryl groups


DEFINITION

Classification: 524/287

Aryl group:

(under subclass 284) Subject matter wherein the carboxylic acid or derivative contains an aryl group, e.g., benzolc acid, etc.

(1) Note. The aryl group herein may be in the carboxylic acid or in the derivative moiety or in both the carboxylic and the derivative moiety.