US PATENT SUBCLASS 252 / 182.28
.~.~.~.~ Reactant contains carboxylic acid group or derivative thereof

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

182.11  DF  COMPOSITIONS CONTAINING A SINGLE CHEMICAL REACTANT OR PLURAL NONINTERACTIVE CHEMICAL REACTANTS; I.E., NOT VIS-A-VIS {2}
182.12  DF  .~ Organic reactant {4}
182.13  DF  .~.~ For subsequent solid polymer treatment or preparation; e.g., crosslinking, grafting, curing, hardening, vulcanizing, etc. {4}
182.23  DF  .~.~.~ Reactant contains oxygen {2}
182.28.~.~.~.~ Reactant contains carboxylic acid group or derivative thereof

DEFINITION

Classification: 252/182.28

Reactant contains carboxylic acid group or derivative thereof:

(under subclass 182.23) Subject matter wherein the oxygen containing organic reactant is a carboxylic acid or derivative thereof.

(1) Note. A carboxylic acid derivative denotes: nitrile, ester, anhydride, salt, amide, imide, lactam, lactone, and acyl halide. The metal salt and acyl halide are not classified herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

182.14, for the metal salt and acyl halide.