US PATENT SUBCLASS 568 / 769
.~.~.~.~.~.~ Preparing from aryl sulfonate

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
763  DF  .~.~.~.~.~ Polyhydroxy (H of -OH may be replaced by a Group IA or IIA light metal) {10}
769.~.~.~.~.~.~ Preparing from aryl sulfonate

DEFINITION

Classification: 568/769

Preparing from aryl sulfonate:

(under subclass 763) Processes wherein the compound is formed by reacting an aryl sulfonate.

(1) Note. Included herein are processes which include the replacement of sulfo or sulfonate groups, e.g., the alkali fusion of sodium meta-benzene disulfonate to prepare resorcinol.