| 摘要 |
<p>1. A proces for conditioning agglomerated finely divided organic crude pigments, whose 1-200 mu m agglomeraters consist of primary particles of =<0.2 mu m, by recrystallization in hot organic liquids, wherein the organic liquid used is a C3 -C5 -alkane, a C3 -C5 -alkene, methyl chloride, ethyl chloride or propyl chloride, and the crystallization is carried out in the organic liquid with the latter in the critical or supercritical state, at from 40 to 250 degrees C under superatmospheric pressure.</p> |
