Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments

Details Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments

1979-02-23

1980-03-25

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260208, 106288Q, C09B 2936

Patent

active

041950208

ABSTRACT:
A pigment of the formula ##STR1## wherein R.sub.1 is hydrogen, chlorine or methyl and R.sub.2 is hydrogen or methyl. These pigments have a high color strength, fastness to overvarnishing, fastness to migration and fastness to light and weathering. They can be used in all fields in which pigments are used as coloring material, especially for the coloring of lacquers with metal-effect.

REFERENCES:
patent: 3109842 (1963-11-01), Schilling et al.

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