Azo pigments having two 2-halo-5-trifluoromethylphenyl diazo com

Details Azo pigments having two 2-halo-5-trifluoromethylphenyl diazo com Azo pigments having two 2-halo-5-trifluoromethylphenyl diazo com

1975-11-11

1977-09-27

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260184, 260202, C09B 3314, C09B 4312

Patent

active

040511219

ABSTRACT:
Disclosed are pigments of the formula I, ##STR1## in which the X's, R.sub.1 and R.sub.2, independently, signify a fluorine, chlorine or bromine atom. They are useful, for example, for the pigmentation of synthetic polymers in the mass, in emulsion paints, printing inks and viscose and cellulose acetate spinning solutions and for dyeing paper in the stock.

REFERENCES:
patent: 2741658 (1956-04-01), Schmid et al.
patent: 3262925 (1966-07-01), Mueller et al.
patent: 3562249 (1971-02-01), Schnabel et al.
patent: 3658785 (1972-04-01), Ronco
patent: 3691149 (1972-09-01), Mueller et al.

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