Disazo compounds having two 4,8 Disulfonaphthyl-2 diazo componen

Details Disazo compounds having two 4,8 Disulfonaphthyl-2 diazo componen Disazo compounds having two 4,8 Disulfonaphthyl-2 diazo componen

1984-05-02

1989-09-12

Higel, Floyd D.

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

Organic compounds

Azo

534583, 534598, 534617, 534637, 534638, 534728, 534797, C09B 6209, C09B 4304, D06P 1382, D06P 310

Patent

active

048661635

ABSTRACT:
Compounds of the formula ##STR1## wherein each R.sub.1 is independently hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or --NHCOC.sub.1-4 alkyl, each R.sub.2 is H, halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy, each R.sub.3 is independently halo, hydroxy, C.sub.1-4 alkoxy, --NHOH, amino or an aliphatic, aromatic cycloaliphatic or saturated heterocyclic amino radical, and is divalent aliphatic or aromatic group or, together with the NH radicals to which it is attached, forms a piperazine ring, and the use thereof for dyeing or printing hydroxy group- or nitrogen-containing organic substrates after which the dyed or printed substrate is optionally treated with a cationic fixing agent.

REFERENCES:
patent: 2459435 (1949-01-01), Keller et al.
patent: 3398133 (1968-08-01), Barben et al.
patent: 3647778 (1972-03-01), Andrew et al.
patent: 3658782 (1972-04-01), Griffiths et al.
patent: 3966705 (1976-06-01), Oesterlein et al.
patent: 4228071 (1980-10-01), Riat et al.

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