US PATENT SUBCLASS 568 / 752
.~.~.~.~.~.~.~.~ Three or more phenols recovered

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}
749  DF  .~.~.~.~.~ Purification or recovery {10}
750  DF  .~.~.~.~.~.~ From mixture of phenols {1}
751  DF  .~.~.~.~.~.~.~ Plural phenols recovered separately {1}
752.~.~.~.~.~.~.~.~ Three or more phenols recovered

DEFINITION

Classification: 568/752

Three or more phenols recovered:

(under subclass 751) Processes wherein at least three phenols are recovered from the mixture.