Process for dyeing cellulosic materials with disazo dyestuffs

Details Process for dyeing cellulosic materials with disazo dyestuffs Process for dyeing cellulosic materials with disazo dyestuffs

1997-09-18

1999-03-16

Powers, Fiona T.

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

Organic compounds

Azo

534833, 534835, 534582, 534588, 534599, 8527, 8681, 8687, 8918, 8919, 162162, C09B 35029, C09B 35037, D06P 362, D21H 2128

Patent

active

058832343

ABSTRACT:
The novel process for dyeing cellulosic materials with disazo dyestuffs of the formula ##STR1## in which the substituents NHR.sup.1 and NHR.sup.2 are in each case in the 6- and/or 7-position and R.sup.1, R.sup.2, m, n, p and q have the meaning given in the description, produces blue dyeings with very good fastness properties.

REFERENCES:
patent: 982507 (1911-01-01), Laska
patent: 4988805 (1991-01-01), Kunde
patent: 5034017 (1991-07-01), Kunde et al.
patent: 5288294 (1994-02-01), Kaser
patent: 5808016 (1998-09-01), Kunde
Derwent Abstract of JP 56-145,962, Nov. 13, 1981.
Colour Index, 3rd Ed., vol. 4, p. 4160, C. I. 21600, 1971.
Abstract of Japanese Patent 61 283 666 Dec. 13, 1986.

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