Azo compounds deriving from amino benzoic acid anilides and acet

Details Azo compounds deriving from amino benzoic acid anilides and acet Azo compounds deriving from amino benzoic acid anilides and acet

1979-10-18

1981-11-24

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106308Q, 106311, 260208, C09B 2901, C09B 2932, D06P 144

Patent

active

043023894

ABSTRACT:
When diazotizing a p-amino-benzoic acid anilide, the anilide nucleus of which is substituted in its para-position by carbamoyl, acetamino or chloro and coupling it onto 5-acetoacetylamino-benzimidazolone-(2) monoazo pigments are obtained having a high fastness to light, solvents, overlacquering and bleeding and a very high heat resistance.

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: 3956266 (1976-05-01), Mory et al.
patent: 4080321 (1978-03-01), Kunstmann et al.
patent: 4150019 (1979-04-01), Frolich et al.
patent: 4169830 (1979-10-01), Hunger
patent: 4195020 (1980-03-01), Hunger et al.

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