US PATENT SUBCLASS 534 / 877
.~.~.~.~.~.~ The nitrogen and the oxygen are bonded directly to the same bicyclo ring system

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}
839  DF  .~.~.~ Plural benzene rings bonded directly to the azo group {5}
875  DF  .~.~.~.~ Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding {2}
876  DF  .~.~.~.~.~ Oxygen bonded directly to carbon {1}
877.~.~.~.~.~.~ The nitrogen and the oxygen are bonded directly to the same bicyclo ring system {1}
878  DF  .~.~.~.~.~.~.~> Sulfonyl bonded directly to the bicyclo ring system {2}

DEFINITION

Classification: 534/877

(under subclass 876) Compounds in which the nitrogen and the oxygen are both bonded directly to the same bicyclo ring system.

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