Disazo dyestuffs

Details Disazo dyestuffs Disazo dyestuffs

1997-09-17

1998-09-15

Powers, Fiona T.

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

Organic compounds

Azo

534829, 534835, 534588, 8681, 8687, 8918, 8919, C09B 3504, D06P 139, D21H 2128

Patent

active

058080163

ABSTRACT:
The novel disazo dyestuffs of the formula (I) ##STR1## in which the substituents and indices have the meaning given in the description, are outstandingly suitable for dyeing cellulosic materials, in particular paper, and are distinguished by good fastness properties.

REFERENCES:
patent: 4988805 (1991-01-01), Kunde
patent: 5288294 (1994-02-01), Kaser

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