Isoindoline pigments

Details Isoindoline pigments Isoindoline pigments

1980-12-10

1983-08-23

Coughlan, Jr., Paul M.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C09B 5704

Patent

active

044005075

ABSTRACT:
Isoindolinone pigments of the formula ##STR1## in which R is an aryl radical which can contain groups which do not confer solubility and X is a group of the formulae ##STR2## in which Q is a radical of the formula ##STR3## in which R.sub.1 is a di- or tri-halogenophenyl radical or a carbamoylphenyl radical or a phenyl radical which is fused with a 5-membered or 6-membered hetero-ring which contains a cyclically bonded --CONH group, are useful for coloring in yellow to orange shades of good fastness properties.

REFERENCES:
patent: 3646033 (1972-02-01), Leister et al.
patent: 3923806 (1975-12-01), Bock et al.
patent: 4262120 (1981-04-01), von der Crone

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