Cationically bridged tetrakisazo dyestuffs with variable coupler

Details Cationically bridged tetrakisazo dyestuffs with variable coupler Cationically bridged tetrakisazo dyestuffs with variable coupler

1995-10-10

1996-08-13

Powers, Fiona T.

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

Organic compounds

Azo

534606, 8437, 8527, 8654, 8655, 8918, 8919, 8921, C09B 4408, D06P 141, D21H 2128

Patent

active

055457240

ABSTRACT:
The invention relates to cationically bridged tetrakisazo compounds, corresponding to formula I, ##STR1## wherein the individual symbols are defined as in claim 1, as well as residues and liquid preparations thereof. The compounds and their preparations are used for dyeing and printing hydroxy-group-containing or nitrogen-containing organic substrates by a known method. Preferred substrates are textile materials which consist of or contain cellulose, especially cotton, or also bast fibres, leather and preferably paper or paper pulp products, especially wood-containing paper.

REFERENCES:
patent: 4634764 (1987-01-01), Greve
patent: 4675388 (1987-06-01), Greve et al.
patent: 4946508 (1990-08-01), Schwartz et al.
patent: 5023324 (1991-06-01), Moser
patent: 5077396 (1991-12-01), Moser et al.
patent: 5352334 (1994-10-01), Moser et al.

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