发明公开
EP0780445A1 Process for the production of granular pigment and coloring composition 失效
Verfahren zur Herstellung eines Pigmentgranulats sowieFärbemittel

Process for the production of granular pigment and coloring composition
摘要:
An industrially advantageous process for the production of a granular aqueous pigment having a water content of 30 to 50% by weight, which process comprises dehydrating an organic pigment wet cake at 20 to 80°C while pulverizing and stirring the cake.
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