US PATENT SUBCLASS 568 / 720
.~.~.~.~.~.~.~ Three or more phenols containing

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
715  DF  .~.~.~ Benzene ring containing {8}
716  DF  .~.~.~.~ Phenols (H of -OH may be replaced by a Group IA or IIA light metal) {14}
717  DF  .~.~.~.~.~ Polyphenols {4}
718  DF  .~.~.~.~.~.~ Three or more rings containing {3}
720.~.~.~.~.~.~.~ Three or more phenols containing

DEFINITION

Classification: 568/720

Three or more phenols containing:

(under subclass 718) Compounds containing at least three benzene rings each having -OH or -OM bonded directly thereto.

(1) Note. Exemplary of compounds provided for herein are: [figure] [figure]