US PATENT SUBCLASS 528 / 113
.~.~.~.~.~ With nitrogen-containing reactant

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}
113.~.~.~.~.~ With nitrogen-containing reactant

DEFINITION

Classification: 528/113

(under subclass 112) Subject matter wherein in addition to the carboxylic acid, salt thereof, or anhydride thereof, there is at least one additional non-1, 2-epoxy or nonphenolic reactant which is a nitrogen-containing compound.

(1) Note. This subclass may include a mixture of two nonepoxy or nonphenolic reactants wherein one is a nitrogen-containing carboxylic acid and wherein the other is a non-nitrogen-containing carboxylic acid.