US PATENT SUBCLASS 568 / 732
.~.~.~.~.~.~ Polycyclo ring system

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}
731  DF  .~.~.~.~.~ Additional ring containing {2}
732.~.~.~.~.~.~ Polycyclo ring system {2}
733  DF  .~.~.~.~.~.~.~> Tricyclo ring system
734  DF  .~.~.~.~.~.~.~> Bicyclo ring system {1}

DEFINITION

Classification: 568/732

Polycyclo ring system:

(under subclass 731) Compounds which contain a polycyclo ring system.

(1) Note. The phenolic nucleus may or may not be one of the cyclos in the polycyclo ring system.

(2) Note. An example of compounds provided for herein is: [figure]