US PATENT SUBCLASS 534 / 755
.~.~.~.~.~ Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group

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}
751  DF  .~.~ Hetero ring containing {5}
753  DF  .~.~.~ Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos {11}
754  DF  .~.~.~.~ At least three azo groups attached indirectly to each other by nonionic bonding {1}
755.~.~.~.~.~ Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group

DEFINITION

Classification: 534/755

(under subclass 754) Compounds in which an additional hetero ring or an additional polycyclo ring system having a hetero ring as one of the cyclos is bonded directly to an azo group.

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