US PATENT SUBCLASS 534 / 715
.~.~.~.~.~ Plural monocyclic benzene rings attached directly to each other by nonionic bonding and are between azo groups

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}
713  DF  .~.~.~ Benzene ring containing {6}
714  DF  .~.~.~.~ At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding {1}
715.~.~.~.~.~ Plural monocyclic benzene rings attached directly to each other by nonionic bonding and are between azo groups

DEFINITION

Classification: 534/715

(under subclass 714) Compounds wherein between two azo groups are at least two monocyclic benzene rings which are attached directly to each other by nonionic bonding.

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