US PATENT SUBCLASS 534 / 699
.~.~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding


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}
699.~.~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding


DEFINITION

Classification: 534/699

(under subclass 696) Compounds in which at least two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.

(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.

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