4-Methyl-5-(benzimidazolonylazo)-6-hydroxypyridone-2 pigment

Details 4-Methyl-5-(benzimidazolonylazo)-6-hydroxypyridone-2 pigment 4-Methyl-5-(benzimidazolonylazo)-6-hydroxypyridone-2 pigment

1976-02-17

1978-05-09

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106308Q, 260 37NP, 260 37P, 260153, 260154, 260155, 260208, C09B 2936, C09D 1100, D06P 144, D06P 152

Patent

active

040886417

ABSTRACT:
Azo pigments of the formula ##STR1## wherein A represents the radical of a heterocyclic diazo component are valuable pigments coloring plastics, melts, spinning solutions, lacquers paints and printing inks in yellow to red shades of great color strength and excellent fastness properties.

REFERENCES:
patent: B348083 (1975-01-01), Dimroth
patent: 3642427 (1972-02-01), Berrie et al.
patent: 3869441 (1975-03-01), Hughes
patent: 3941766 (1976-03-01), Dimroth et al.
patent: 3963694 (1976-06-01), Mory et al.

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