US PATENT SUBCLASS 534 / 885
.~.~.~ Benzene ring bonded directly to the 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}
838  DF  .~.~ Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding {3}
885.~.~.~ Benzene ring bonded directly to the azo group

DEFINITION

Classification: 534/885

(under subclass 838) Compounds in which a benzene ring is bonded directly to the azo group.

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