Blue dye mixtures of fiber-reactive copper complex formazan dyes

Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Alkylene sulfato – halotriazine – halodiazine,...

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8641, 8685, 8918, 8546, 8917, D06P 1384, C09B 6724

Patent

active

061430390

ABSTRACT:
The present invention provides a dye mixture comprising one or more copper complex formazan dyes conforming to the formula (1) ##STR1## and one or more copper complex formazan dyes conforming to the formula (2) ##STR2## wherein R1, R2, Y1, Y2 and M are defined as given in claim 1, methods for preparing said dye mixtures and methods for dyeing and printing hydroxy- and/or carboxamido-containing materials using said dye mixtures.

REFERENCES:
patent: 4336190 (1982-06-01), Schwaiger et al.
patent: 4370145 (1983-01-01), Schwaiger et al.
patent: 5563248 (1996-10-01), Helmling et al.
patent: 5704951 (1998-01-01), Negri et al.
patent: 5779739 (1998-07-01), Von Der Eltz et al.
patent: 5810890 (1998-09-01), Russ et al.

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