Monoazo pigments containing heterocycles, and high-molecular org

Details Monoazo pigments containing heterocycles, and high-molecular org Monoazo pigments containing heterocycles, and high-molecular org

1981-09-24

1983-08-23

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260158, C09B 2934, C09B 2932

Patent

active

044003196

ABSTRACT:
Compounds of the formula I ##STR1## wherein the symbols Z, R.sub.1, R.sub.2, m and n have the meanings defined in claim 1, are suitable, as high-grade pigments, for dyeing high-molecular organic material. They are characterized in particular by good fastness to migration and to cross-lacquering, as well as to weather and light.

REFERENCES:
patent: 2093214 (1937-09-01), Schrader et al.
patent: 3644405 (1972-02-01), Horstmann et al.
patent: 4001206 (1977-01-01), Schoefberger
patent: 4118382 (1978-10-01), Jager et al.
patent: 4229343 (1980-10-01), Sunge et al.
patent: 4234480 (1980-11-01), Kramer
patent: 4265812 (1981-05-01), Weaver et al.
CA, 31, 8216' (1937).
CA, 71, 22900m (1969).

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