US PATENT SUBCLASS 528 / 115
.~.~.~.~.~ At least two carboxylic acids, salts thereof, or carboxylic acid anhydrides, or mixtures thereof

Current as of: June, 1999
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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
86  DF  .~ FROM PHENOL, PHENOL ETHER, OR INORGANIC PHENOLATE {15}
87  DF  .~.~ From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant {12}
106  DF  .~.~.~ With at least one nonepoxy or nonphenolic reactant {9}
112  DF  .~.~.~.~ Non-1,2-epoxy or nonphenolic reactant is a carboxylic acid, salt thereof, or carboxylic acid anhydride {3}
115.~.~.~.~.~ At least two carboxylic acids, salts thereof, or carboxylic acid anhydrides, or mixtures thereof

DEFINITION

Classification: 528/115

(under subclass 112) Subject matter wherein the non-1, 2-epoxy or nonphenolic reactant is at least a mixture of two or more carboxylic acids, salts thereof, anhydrides thereof, or is a mixture of at least any two of the types of materials enumerated above.