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

1981-04-21

1985-03-12

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

106 23, 106288Q, 106308Q, 106311, 534887, C09B 2901, C09B 2932, C09B 2933

Patent

active

045044163

ABSTRACT:
When diazotizing a p-amino-benzoic acid anilide, the anilide nucleus of which is substituted in its paraposition 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), Rebua 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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