US PATENT SUBCLASS 534 / 705
.~.~.~.~.~.~ Plural ring nitrogens in the polycyclo ring system

Current as of: June, 1999
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534 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8}
573  DF  .~ Azo {51}
692  DF  .~.~ Heavy metal or aluminum containing {7}
701  DF  .~.~.~ Hetero ring containing {2}
702  DF  .~.~.~.~ Polycyclo ring system containing the hetero ring as one of the cyclos {1}
703  DF  .~.~.~.~.~ Azo bonded directly to the polycyclo ring system {3}
705.~.~.~.~.~.~ Plural ring nitrogens in the polycyclo ring system

DEFINITION

Classification: 534/705

(under subclass 703) Compounds wherein the polycyclo ring system contains at least two ring nitrogens.

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