US PATENT SUBCLASS 546 / 195
.~.~.~.~.~ The additional ring is one of the cyclos in a 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


546 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
*  DD  .~ HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1) {1}
1  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbons {24}
184  DF  .~.~.~ Piperidines {8}
192  DF  .~.~.~.~ Additional ring containing {9}
195.~.~.~.~.~ The additional ring is one of the cyclos in a polycyclo ring system {3}
196  DF  .~.~.~.~.~.~> Hetero ring in the polycyclo ring system {3}
203  DF  .~.~.~.~.~.~> The polycyclo ring system is tricyclo-carbocyclic {1}
205  DF  .~.~.~.~.~.~> The polycyclo ring system is bicyclo-carbocyclic {1}

DEFINITION

Classification: 546/195

The additional ring is one of the cyclos in a polycyclo ring system:

(under subclass 192) Compounds in which the additional ring is one of the cyclos in a polycyclo ring system.

(1) Note. An example of a compound provided for here in is: [figure]