Trisazo compound imparting black color, method for dyeing by usi

Details Trisazo compound imparting black color, method for dyeing by usi Trisazo compound imparting black color, method for dyeing by usi

1994-09-27

1996-02-06

Richter, Johann

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

Organic compounds

Azo

534680, 534686, 534796, 8437, 8681, 8918, 8919, 106 22K, C09B 3546, C09D 1102, D21H 2128

Patent

active

054896711

ABSTRACT:
A trisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q' is phenylene group, Q.sup.2 is phenyl or naphtyl group, one of the A and B is a hydroxy group and the other is an amino group, K is 1 or 2, one of m and n is 1 and the other is 0, X and Y independently of one another are each --OR.sup.1, --SR.sup.2, --NR.sup.3 R.sup.4 or ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are each a hydrogen atom, an alkyl, phenyl or naphthyl group; r is 1 or 2; and Z is --CH.sub.2 --, --O--, --SO.sub.2 -- or --NR.sup.5 -- wherein R.sup.5 is a hydrogen atom or C.sub.1 -C.sub.4 alkyl group;

REFERENCES:
patent: 4295889 (1981-10-01), Eida et al.
patent: 4479906 (1984-10-01), Zeidler et al.
patent: 4767459 (1988-08-01), Greenwood et al.
patent: 5110917 (1992-05-01), Bauer et al.
Chemical Abstracts, vol. 109, 1988, abstract No. 109:94918z, David Greenwood, "Jet printing ink".
Chemical Abstracts, abstract no. 111:196993d, "Waterproof and light- and feathering-resistant inks for jet-printing", Suga, Juko; Sakaeda, Takeshi; Shirota, Katsuhiro (Canon K.K.), Jpn. Kokai Tokkyo Koho JP 01 79,276 [89 79,276] (1988).

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