Monoazo pigments derived from aminophthalimides and substituted

Details Monoazo pigments derived from aminophthalimides and substituted Monoazo pigments derived from aminophthalimides and substituted

1982-05-03

1984-09-25

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260155, 260158, 106288Q, 106308Q, 106308F, 106308M, 106308N, C09B 29036, C09B 2932, C09B 2933, D06P 144

Patent

active

044735006

ABSTRACT:
Monoazo pigment compounds of the formula ##STR1## wherein X is a group of the formula ##STR2## R is hydrogen or methyl, R.sub.1 and R.sub.2 are hydrogen, chlorine, methyl or methoxy, Y is methyl or phenyl, or Y is --O, --S--, --N(R.sub.3)-- or --C(R.sub.4).dbd.CH--, each of which is bound on the ring A in the ortho-position with respect to the --NHCO-- group to form a benzoxazolone, benzothiazolone, benzimidazolone or quinolone-2, with R.sub.3 and R.sub.4 being hydrogen or methyl, and m and n independently of one another are each 1 or 2, are useful as high-grade pigments, for pigmenting high-molecular weight organic material. The pigments are distinguished in particular by good fastness to light, migration and weather.

REFERENCES:
patent: 3551407 (1970-12-01), Dehnert et al.
patent: 3644405 (1972-02-01), Horstmann et al.
patent: 3825527 (1974-07-01), Ruider et al.
patent: 4277397 (1981-07-01), Fuchs
patent: 4312807 (1982-01-01), Fuchs

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