Dyestuff mixtures

Details Dyestuff mixtures Dyestuff mixtures

1993-01-21

1994-03-22

Klemanski, Helene

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8639, 8662, C09B 2900

Patent

active

052959996

ABSTRACT:
The dyestuff mixtures comprising the dyestuff of the formula (I) ##STR1## and a dyestuff of the formula ##STR2## wherein R.sub.1 and R.sub.2 independently of one another represent alkyl, cycloalkyl or aryl,
and/or tautomeric forms of the dyestuffs of the formulae (I) and/or (II), are particularly suitable for the preparation of concentrated, storage-stable dyestuff solutions which, apart from a small amount of alkanolamines, comprise no further water-soluble organic solubilising agents.

REFERENCES:
patent: 4754020 (1988-06-01), Wolff et al.
patent: 4968318 (1990-11-01), Wiegner et al.
patent: 4995885 (1991-02-01), Morawietz
patent: 5173086 (1992-12-01), Bermes

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