US PATENT SUBCLASS 562 / 493
.~.~.~ Monocyclic

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}
405  DF  .~.~ Aromatic {13}
493.~.~.~ Monocyclic {3}
494  DF  .~.~.~.~> Purification or recovery per se
495  DF  .~.~.~.~> Additional unsaturation
496  DF  .~.~.~.~> Carboxyl, or salt thereof, not bonded directly to ring

DEFINITION

Classification: 562/493

Monocyclic:

(under subclass 405) Compounds wherein the acid contains only one carbocyclic nucleus, which is a benzene ring and only one carboxyl group.

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