US PATENT SUBCLASS 560 / 67
.~.~.~.~.~ Phenolic hydroxy or metallate

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.~.~.~.~.~ Phenolic hydroxy or metallate {4}
68  DF  .~.~.~.~.~.~> Tannins and reaction products thereof {1}
70  DF  .~.~.~.~.~.~> Polyphenolic hydroxy or metallate
71  DF  .~.~.~.~.~.~> Salicylic acid
72  DF  .~.~.~.~.~.~> Ring in alcohol moiety

DEFINITION

Classification: 560/67

Phenolic hydroxy or metallate:

(under subclass 64) Compounds wherein the acid function contains an -OX group, where X is H or an alcoholate forming group not provided for above, directly attached to the carbon of a benzene ring.

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