Dye mixtures of azo compounds soluble in organic solvents

Details Dye mixtures of azo compounds soluble in organic solvents Dye mixtures of azo compounds soluble in organic solvents

1979-12-07

1984-09-25

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8521, 44 59, 208 12, 260191, 260205, C09B 3106, C10L 110, C10L 114

Patent

active

044733763

ABSTRACT:
A mixture, soluble in organic solvents, of compounds of the formula ##STR1## where D is a radical of the formula ##STR2## n is 0, 1, 2 or 3 and R.sup.1 and R.sup.2 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl, methoxy or ethoxy;
with the proviso that the mixture contains compounds with n=0, 1 and 2 and, optionally, 3; is disclosed as being exceptionally suitable for dyeing petroleum products, waxes and greases.

REFERENCES:
patent: 1986116 (1935-01-01), Payne
patent: 3004821 (1961-10-01), Gano
patent: 3056642 (1962-10-01), Kesler et al.
patent: 3356443 (1967-12-01), Dziomba
patent: 3494714 (1970-02-01), Litke
patent: 3690809 (1972-09-01), Orelup
patent: 3704106 (1972-11-01), Orelup
patent: 4082501 (1978-04-01), Mees et al.
patent: 4210414 (1980-07-01), Hansen et al.

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