US PATENT SUBCLASS 560 / 71
.~.~.~.~.~.~ Salicylic acid

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {17}
1  DF  .~ Carboxylic acid esters {14}
8  DF  .~.~ Aromatic acid moiety {9}
55  DF  .~.~.~ Oxy in acid moiety {7}
64  DF  .~.~.~.~ Ester function attached directly to a ring {5}
67  DF  .~.~.~.~.~ Phenolic hydroxy or metallate {4}
71.~.~.~.~.~.~ Salicylic acid

DEFINITION

Classification: 560/71

Salicyclic acid:

(under subclass 67) Compounds wherein the acid radical is

derived from the compound known as salicyclic acid, e.g., salol, oil of wintergreen.

(1) Note. This subclass is limited to esters of salicyclic acid, per se. Esters of acylated salicyclic acid are found in subclass 64 and salicyclic acid acylated with acyclic carboxylic acids are in subclass 143.

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