Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenyla

Details Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenyla Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenyla

1980-02-04

1984-08-28

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8638, 8641, 260169, 260173, 162162, C09B 3116, C09B 3120, C09B 3124, C09B 3128

Patent

active

044683480

ABSTRACT:
Dyes of the formula ##STR1## and mixtures thereof, in which R signifies a radical of formula (a), (b), (c), (d), (e), (f), (g) or (h) ##STR2## in which R.sub.1 signifies an amino, anilino or toluidino radical, R.sub.2 signifies a hydroxy or amino radical, and

REFERENCES:
patent: 683190 (1901-09-01), Taggesell
patent: 1565344 (1925-12-01), Vossen
patent: 1923944 (1933-08-01), Mendoza et al.
patent: 2833756 (1958-05-01), Fleischhauer
patent: 3917887 (1975-11-01), Clarkson et al.
Colour Index, 3rd Edition, vol. 4, p. 4278, Nos. 30015, 30020 and 30025; p. 4285, Nos. 30235 and 30245; p. 4286, No. 30270; p. 4313, Nos. 33540 and 33545; and p. 4329, No. 35255 (1971).

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