发明授权
US4845214A Process for conditioning isoindoline pigments 失效
异二氢吲哚颜料调理方法

Process for conditioning isoindoline pigments
摘要:
Isoindoline pigments are conditioned by means of a heat treatment of the pigment in a mixture of water and benzenemonocarboxylic and/or benzenedicarboxylic acids.Well crystallized, very weatherfast pigmentary forms which give colorations possessing improved purity of shade are obtained.
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