US PATENT SUBCLASS 562 / 432
.~.~.~.~ Carboxyl, or salt thereof, bonded directly to a ring

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}
426  DF  .~.~.~ Sulfur {4}
432.~.~.~.~ Carboxyl, or salt thereof, bonded directly to a ring

DEFINITION

Classification: 562/432

Carboxyl, or salt thereof, bonded directly to a ring:

(under subclass 426) Compounds wherein a carboxyl group is attached directly to a ring.

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