Reactive azo dyes having a permanent quaternary ammonium group a

Details Reactive azo dyes having a permanent quaternary ammonium group a Reactive azo dyes having a permanent quaternary ammonium group a

1998-05-01

1999-08-03

Powers, Fiona T.

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

Organic compounds

Azo

534604, 534614, C09B 62006, C09B 6209, C09B 62507

Patent

active

059327081

ABSTRACT:
Fiber-reactive monoazo and disazo dyes, suitable for dyeing cellulose material, such as cotton, and also synthetic or natural polyamide material, such as wool, in high color depth and with good fastness properties, are described which contain a quaternary ammonium group, such as a trialkylammonium group, and contain, as a fiber-reactive group, a group of the vinyl-sulfone series, or a grouping containing a group of the vinyl-sulfone series, or a heterocyclic fiber-reactive group selected from a halogeno-substituted pyrimidine or triazine.

REFERENCES:
patent: 3338660 (1967-08-01), Biedermann et al.
patent: 4333874 (1982-06-01), Nickel et al.
patent: 4820806 (1989-04-01), Baumann et al.
patent: 4865990 (1989-09-01), Stead et al.
patent: 5019165 (1991-05-01), Bruder et al.
patent: 5112970 (1992-05-01), Buch et al.

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