US PATENT SUBCLASS 534 / 698
.~.~.~.~.~ Hetero ring in each azo moiety

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}
696  DF  .~.~.~ Diverse azo moieties bonded to the same metal {2}
697  DF  .~.~.~.~ Hetero ring containing {1}
698.~.~.~.~.~ Hetero ring in each azo moiety

DEFINITION

Classification: 534/698

(under subclass 697) Compounds wherein each of the azo moieties contains a hetero ring.

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