US PATENT SUBCLASS 560 / 64
.~.~.~.~ Ester function attached directly to a ring

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.~.~.~.~ Ester function attached directly to a ring {5}
65  DF  .~.~.~.~.~> Halogen in acid moiety
66  DF  .~.~.~.~.~> Acylated
67  DF  .~.~.~.~.~> Phenolic hydroxy or metallate {4}
73  DF  .~.~.~.~.~> Ring in alcohol moiety
74  DF  .~.~.~.~.~> Nitrogen in alcohol moiety

DEFINITION

Classification: 560/64

Ester function attached directly to a ring:

(under subclass 55) Compounds wherein the esterified acid function is directly attached to a carbocyclic nucleus.

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