Monoazo compounds deriving from 5-amino-benzimidazole-2-one-6-ca

Details Monoazo compounds deriving from 5-amino-benzimidazole-2-one-6-ca Monoazo compounds deriving from 5-amino-benzimidazole-2-one-6-ca

1979-10-29

1981-07-07

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

548331, 564200, C09B 29033, C09B 2933, D06P 144, D06P 146

Patent

active

042773970

ABSTRACT:
Monoazo compounds of the general formula ##STR1## in which R is hydrogen, methyl or ethyl. The monoazo compounds are valuable pigments which are especially useful for coloring baking varnishes and plastics. They also exhibit characteristics of good fastness to light, weathering, migration, especially overvarnishing and heat stability.

REFERENCES:
patent: Re27575 (1973-02-01), Ribka et al.
patent: 3109842 (1963-11-01), Schilling et al.
patent: 3328384 (1967-06-01), Dietz et al.
patent: 4080321 (1978-03-01), Kunstmann et al.
patent: 4150019 (1979-04-01), Frolich et al.
patent: 4165830 (1979-10-01), Hunger
patent: 4195020 (1980-03-01), Hunger et al.

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