Azo dye

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

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 2700669 (1955-01-01), Scalera et al.
patent: 3751406 (1973-08-01), Bloom
patent: 3955918 (1976-05-01), Lang
patent: 4741997 (1988-05-01), Sato et al.
patent: 5021334 (1991-06-01), Koya
patent: 5643709 (1997-07-01), Kamio et al.
patent: 6437169 (2002-08-01), Ito et al.
patent: 7083655 (2006-08-01), Pratt et al.
patent: 2003/0204094 (2003-10-01), Uchida et al.
patent: 2004/0019982 (2004-02-01), Pratt et al.
patent: 08-319432 (1966-12-01), None
patent: 63-121049 (1988-05-01), None
patent: WO 02/083662 (2002-10-01), None
Galal et al., Drug Research, 1(2), 125-145, 1968.
Marengo et al., Chemometrics and Intelligent Laboratory Systems, 14(1-.3), 225-233, 1992.
Savarino et al., Dyes and Pigments 9(4), 295-304, 1988.
King-Thom Chung; Environ. Carcino. & Ecotox. Revs., C18(1), pp. 51-74, 2000.

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