Direct disazo dyestuffs

Details Direct disazo dyestuffs Direct disazo dyestuffs

1996-07-05

1997-11-04

Higel, Floyd D.

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

Organic compounds

Azo

534719, 534720, 534801, 534802, 534803, 534817, 534829, 534830, 534841, 162162, 106 22K, C09B 3310, C09B 35029, D06P 106, D06P 360

Patent

active

056841396

ABSTRACT:
Dyestuffs of the formula (I) ##STR1## wherein R.sup.1 and R.sup.4 independently of one another represent an acyl radical,

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patent: 4568623 (1986-02-01), Makino et al.
patent: 4990615 (1991-02-01), Henk et al.
patent: 4994110 (1991-02-01), Stoffel et al.
patent: 5122605 (1992-06-01), Pedrazzi
patent: 5262527 (1993-11-01), Gregory et al.
patent: 5410041 (1995-04-01), Muller
patent: 5534052 (1996-07-01), Mennicke et al.
patent: 5545725 (1996-08-01), Kaser et al.

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