Mono-or bisazo copper complex dyestuffs

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

Reexamination Certificate

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Details

C534S693000, C534S716000, C534S723000, C106S031510, C106S031520, C430S108230

Reexamination Certificate

active

07132516

ABSTRACT:
This invention relates to coppered azo dyestuffs containing an alkyl-, aryl or alkoxyalkyl sulfamyl group on one moiety of the molecule and an alkyl-, aryl or alkoxyalkyl ammonium sulfonate or carboxylate group on the other moiety. The invention also relates to various intermediates, to compositions and to processes for preparing the metalized dyestuffs. The compounds are particularly suited for the application in laquers, ink-jet inks and electrographic toners.

REFERENCES:
patent: 3600377 (1971-08-01), Stingl et al.
patent: 4058515 (1977-11-01), Stingl et al.
patent: 5563260 (1996-10-01), Kaul et al.
patent: 5882360 (1999-03-01), Bauer et al.
patent: 2002/0028401 (2002-03-01), Macholdt et al.
patent: 0176730 (1986-04-01), None
patent: 0982371 (2000-03-01), None
patent: 1168090 (2002-01-01), None
patent: 2272702 (1994-05-01), None
patent: 2285990 (1995-08-01), None
patent: WO 98 05717 (1998-02-01), None

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