Black dye mixtures of fiber-reactive azo dyes and use thereof fo

Details Black dye mixtures of fiber-reactive azo dyes and use thereof fo Black dye mixtures of fiber-reactive azo dyes and use thereof fo

1993-11-24

1995-08-29

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Reactive dye composition, process, or product

Thiosulfato group containing dye

8549, 8639, 8641, 8673, 8681, 8687, C09B 6722, C09B 6724, D06P 1384, D06P 310

Patent

active

054456541

ABSTRACT:
The disclosed black dye mixtures contain 50 to 95% by weight of one or more disazo dyes of the formula (1) and 5 to 50% by weight of one or more monoazo dyes of the formula (2) ##STR1## where R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, identical to or different from each other, are each hydrogen, methyl, ethyl, methoxy, ethoxy, sulfo or carboxy,

REFERENCES:
patent: 2657205 (1950-01-01), Heyna et al.
patent: 3387914 (1968-06-01), Bohnert et al.
patent: 4072463 (1978-02-01), Schlafer et al.
patent: 4257770 (1981-03-01), Nishimura et al.
patent: 4647285 (1987-03-01), Scheibli et al.
patent: 5093483 (1992-03-01), Springer et al.
Chemical Abstracts, vol. 112, No. 26, Jun. 25, 1990.
Database WPI Week 8344, Derwent Publications Ltd., London Great Britain of JP 58160362 Sep. 1983.

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