Chromium complex dyes

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

Reexamination Certificate

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Details

C106S031580, C106S031860, C008S522000, C008S685000, C008S687000, C008S527000, C428S364000

Reexamination Certificate

active

07906632

ABSTRACT:
The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fibre materials containing hydroxyl groups or containing nitrogen.The present invention relates to a 1:2 chromium complex dye of formula (I)wherein all substituents are as defined in the claims, a process for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen.

REFERENCES:
patent: 3516979 (1970-06-01), Dore et al.
patent: 4416816 (1983-11-01), Grossmann
patent: 4469485 (1984-09-01), Grossmann
patent: 4618673 (1986-10-01), Dore
patent: 4663441 (1987-05-01), Gruchtol
patent: 4820309 (1989-04-01), Holliger
patent: 5008379 (1991-04-01), Holliger
patent: 5123930 (1992-06-01), Bitterli
patent: 5283325 (1994-02-01), Bitterli
patent: 5401834 (1995-03-01), Koerte
patent: 5853431 (1998-12-01), Korte
patent: 5971535 (1999-10-01), Kellett
patent: 6210448 (2001-04-01), Korte
patent: 6764524 (2004-07-01), Korte
patent: 6927284 (2005-08-01), Berenguer
patent: 0175324 (1986-03-01), None
patent: 1486227 (1967-06-01), None
patent: 59159855 (1984-09-01), None
PCT International Search Report for PCT/EP 2006/064313, mailed Feb. 1, 2007.

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