US PATENT SUBCLASS 528 / 332
.~.~ With organic amine, or from organic amine salt of a carboxylic acid

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}
271  DF  .~ FROM CARBOXYLIC ACID OR DERIVATIVE THEREOF {10}
332.~.~ With organic amine, or from organic amine salt of a carboxylic acid {2}
335  DF  .~.~.~> From dicarboxylic acid or derivative thereof and an organic amine, or from an organic amine salt of a dicarboxylic acid {13}
350  DF  .~.~.~> From carboxylic acid having three or more carboxylic acid groups or derivatives thereof, and an organic amine, or from an organic amine salt of a tri-or higher carboxylic acid {3}

DEFINITION

Classification: 528/332

(under subclass 271) Subject matter wherein a polymer is derived from at least one reactant which is an organic amine salt of a carboxylic acid, or wherein a carboxylic acid or carboxylic acid derivative is reacted with an organic amine.

(1) Note. An organic amine salt of a carboxylic acid has been classified as if it were a mixture of an amine and a carboxylic acid. An organic diamine salt of a dicarboxylic acid where the amine salt-forming groups are identical is considered as being a single amine compound; whereas if the amine groups are different then they are regarded as two amine compounds. Where the compound contains two or more nitrogen atoms bonded to the same or different noncarbonyl carbon atom then they are to be regarded as polyamines.

SEE OR SEARCH CLASS

520, Synthetic Resins or Natural Rubbers, see the Glossary for a definition of the term "amine'.