US PATENT SUBCLASS 534 / 574
.~.~ Quaternary azo group containing

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}
574.~.~ Quaternary azo group containing

DEFINITION

Classification: 534/574

(under subclass 573) Compounds wherein a nitrogen of the azo group is pentavalent (i.e., -NN-), with a bond to an additional carbon and a bond to an anion.

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