US PATENT SUBCLASS 562 / 509
.~.~ Alicyclic polycarboxylic acids

Current as of: June, 1999
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562 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {41}
400  DF  .~ Carboxylic acids and salts thereof {14}
509.~.~ Alicyclic polycarboxylic acids

DEFINITION

Classification: 562/509

Alicyclic polycarboxylic acids:

(under subclass 400) Compounds wherein the acid contains an alicyclic nucleus not provided for above and contains more than one carboxyl group.

(1) Note. This subclass contains, for example: [figure] [figure]