US PATENT SUBCLASS 568 / 735
.~.~.~.~.~.~.~.~ Naphthols


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}
731  DF  .~.~.~.~.~ Additional ring containing {2}
732  DF  .~.~.~.~.~.~ Polycyclo ring system {2}
734  DF  .~.~.~.~.~.~.~ Bicyclo ring system {1}
735.~.~.~.~.~.~.~.~ Naphthols {7}
736  DF  .~.~.~.~.~.~.~>.~.~ Acyclic hydrocarbyl group bonded directly to the bicyclo ring system
737  DF  .~.~.~.~.~.~.~>.~.~ Halogen or polyhydroxy containing
738  DF  .~.~.~.~.~.~.~>.~.~ Preparing from aryl sulfonate
739  DF  .~.~.~.~.~.~.~>.~.~ Preparing from compound which includes halogen bonded directly to a benzene ring
740  DF  .~.~.~.~.~.~.~>.~.~ Preparing by dehydrogenation
741  DF  .~.~.~.~.~.~.~>.~.~ Preparing from peroxide or preparing by oxidation
742  DF  .~.~.~.~.~.~.~>.~.~ Purification or recovery


DEFINITION

Classification: 568/735

Naphthols:

(under subclass 734) Compounds wherein the bicyclo ring system consists of the phenolic nucleus and another benzene ring.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

719, for a polycyclo ring system having plural phenolic nuclei as cyclos.