US PATENT SUBCLASS 562 / 475
.~.~.~.~.~ Phenolic hydroxy or metallate

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}
465  DF  .~.~.~ Oxy {7}
473  DF  .~.~.~.~ Carboxyl, or salt thereof, bonded directly to a ring {2}
475.~.~.~.~.~ Phenolic hydroxy or metallate {2}
476  DF  .~.~.~.~.~.~> Poly phenolic hydroxy or metallate
477  DF  .~.~.~.~.~.~> Salicyclic acid per se or salt thereof

DEFINITION

Classification: 562/475

Phenolic hydroxy or metallate:

(under subclass 473) Compounds wherein the acid contains an -OX group directly bonded to a benzene ring, where X is H or a metal not provided for above.

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