Monoazo pigments containing hydroxynaphthoylamino benzimidazolon

Details Monoazo pigments containing hydroxynaphthoylamino benzimidazolon Monoazo pigments containing hydroxynaphthoylamino benzimidazolon

1981-09-14

1983-07-12

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106300, 106308Q, 106309, 260208, C09B 2936, C09B 4312, D06P 152, D06P 1649

Patent

active

043929990

ABSTRACT:
The instant invention relates to monoazo pigments containing a hydroxynaphthoylaminobenzimidazolone radical which correspond to the formula ##STR1## said new pigments being useful for coloring high molecular materials in orange to brown shades of especially good fastness properties.

REFERENCES:
patent: 3118870 (1964-01-01), Dietz et al.
patent: 3124565 (1964-03-01), Schilling et al.
patent: 3137686 (1964-06-01), Dietz et al.
patent: 3609913 (1971-09-01), Mory
patent: 3684792 (1972-08-01), Mueller
patent: 3849394 (1974-11-01), Roueche et al.

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