US PATENT SUBCLASS 546 / 140
.~.~.~.~.~.~ Plural isoquinoline ring systems attached directly or indirectly to each other by nonionic bonding

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}
26  DF  .~.~.~ Polycyclo ring system having the six-membered hetero ring as one of the cyclos {9}
112  DF  .~.~.~.~ Bicyclo ring system having the six-membered hetero ring as one of the cyclos {7}
139  DF  .~.~.~.~.~ Isoquinolines (including hydrogenated) {10}
140.~.~.~.~.~.~ Plural isoquinoline ring systems attached directly or indirectly to each other by nonionic bonding

DEFINITION

Classification: 546/140

Plural isoquinoline ring systems attached directly or indirectly to each other by nonionic bonding:

(under subclass 139) Compounds which contain at least two isoquinoline ring systems that are attached directly or indirectly to each other by nonionic bonding.

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