Basic disazo compounds containing sulphonic acid groups

Details Basic disazo compounds containing sulphonic acid groups Basic disazo compounds containing sulphonic acid groups

1994-12-22

1996-03-12

Richter, Johann

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

Organic compounds

Azo

534604, 534605, 8437, 8527, 8658, 8919, C09B 35037, C09B 35029, C09B 6734, D21H 2128

Patent

active

054987016

ABSTRACT:
Basic sulpho group-containing disazo compounds which are metal-free, correspond to the formula ##STR1## in which the symbols are as defined in claim 1. These compounds, in form of their water-soluble salts, and preparations thereof are used for dyeing or printing cationically dyeable materials such as hydroxy group- or nitrogen-containing organic substrates of which textile material comprising natural or synthetic polyamide or natural or regenerated cellulose and especially cotton, leather and paper are preferred. Furthermore, they can be used for the preparation of inks in a conventional manner.

REFERENCES:
patent: 4367172 (1983-01-01), Pedrazzi
patent: 4544737 (1985-10-01), Stohr et al.
patent: 4670546 (1987-06-01), Dore et al.
patent: 4742160 (1988-05-01), Dore et al.

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