Acyl-aryl disazo having a 6-ureido-1-hydroxy-naphthalene-3-sulfo

Details Acyl-aryl disazo having a 6-ureido-1-hydroxy-naphthalene-3-sulfo Acyl-aryl disazo having a 6-ureido-1-hydroxy-naphthalene-3-sulfo

1991-10-18

1996-09-10

Powers, Fiona T.

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

Organic compounds

Azo

534797, C09B 3108

Patent

active

055547389

ABSTRACT:
Anionic disazo dyes useful for dyeing and printing textile materials, paper and leather and for the preparation of inks of the formula ##STR1## wherein D, R.sup.3, R.sup.4, M, R.sup.5 and R.sup.7 are defined as in the specification.

REFERENCES:
patent: 1757496 (1930-05-01), Baddilry et al.
patent: 2026920 (1936-01-01), Taube et al.
patent: 3539626 (1970-11-01), Gagneux
patent: 4083840 (1978-04-01), Schoefberger
Colour Index, 3rd Edition, volume 4, pp. 4256, 4261 and 4262, Nos. 28/20, 28370, 28390, 28400 (1971).

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