US PATENT SUBCLASS 528 / 184
.~.~.~.~ Nitrogen reactant having at least one amino-nitrogen atom contains a carboxylic acid group or is a derivative 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}
176  DF  .~.~ With polycarboxylic acid or derivative as reactant {8}
183  DF  .~.~.~ Nitrogen reactant contains at least one amino-nitrogen atom {4}
184.~.~.~.~ Nitrogen reactant having at least one amino-nitrogen atom contains a carboxylic acid group or is a derivative thereof

DEFINITION

Classification: 528/184

(under subclass 183) Subject matter wherein a reactant contains both a carboxylic acid group or derivative thereof and at least one amino-nitrogen atom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

188, for a non(amino nitrogen)-containing tricarboxylic acid or non(amino nitrogen)-containing derivative of a tricarboxylic acid (e.g., amide, nitrile, etc.).