US PATENT SUBCLASS 534 / 707
.~.~.~.~ Azo bonded directly to the hetero ring

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}
707.~.~.~.~ Azo bonded directly to the hetero ring {3}
708  DF  .~.~.~.~.~> At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
709  DF  .~.~.~.~.~> Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
710  DF  .~.~.~.~.~> Pyrazole (including hydrogenated) {1}

DEFINITION

Classification: 534/707

(under subclass 701) Compounds in which the hetero ring is bonded directly to an azo group.

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