Bisisoindoline pigments

Details Bisisoindoline pigments Bisisoindoline pigments

1986-01-24

1987-11-17

Hollrah, Glennon H.

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

Organic compounds

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

544180, 544215, 544296, 544300, 546155, 546273, 548156, 548159, 548181, 548217, 548219, 548444, 548460, C07D40314

Patent

active

047075481

ABSTRACT:
Novel bisisoindoline pigments of the formula (I) ##STR1## where the radicals A are identical or different radicals of a methylene-active compound, X is a divalent radical and the rings L are each unsubstituted or substituted, possess good fastness properties and are therefore suitable for a very wide range of applications, for example for pigmenting plastics, printing inks and surface coatings.

REFERENCES:
patent: 4223152 (1980-09-01), Fujii et al.
patent: 4508903 (1985-04-01), Heiss
patent: 4564680 (1986-01-01), Rolf et al.

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