Azo dye

Details Azo dye Azo dye

2008-04-15

2008-04-15

Powers, Fiona T (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

C534S788000, C534S795000, C008S690000, C008S691000

Reexamination Certificate

active

07358344

ABSTRACT:
An azo dye represented by formula (I):in-line-formulae description="In-line Formulae" end="lead"?A-N═N—B  formula (I)in-line-formulae description="In-line Formulae" end="tail"?wherein, A represents a group having a substituent required for inducing an intramolecular nucleophilic substitution reaction with a nitrogen atom of a reduced azo group as a nucleophilic species when the azo group is reductively decomposed, the group forming a compound containing the nitrogen atom in a ring structure, and B represents an aromatic or hetero ring which is bound to the azo group through a carbon atom.

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