| 发明名称 |
Procédé pour la préparation des pigments composites. |
| 摘要 |
<p>The invention relates to a process for the preparation of composite pigments containing a substrate having an average diameter of 3-200 mu m as support for small organic or inorganic pigment particles having an average diameter of less than 1 mu m, characterized in that the pigment particles are applied by spray-drying an aqueous suspension containing the substrates and the pigment particles without addition of additives.</p> |
| 申请公布号 |
FR2689515(B1) |
申请公布日期 |
1994.10.07 |
| 申请号 |
FR19930003973 |
申请日期 |
1993.04.05 |
| 申请人 |
MERCK PATENT GMBH |
发明人 |
BRUCKNER HANS-DIETER;ZUBROD INES |
| 分类号 |
A61K8/18;A61K8/25;A61K8/88;A61Q1/02;C08J3/12;C09B63/00;C09B67/02;C09B67/06;C09B67/22;C09C1/00;C09C3/00;C09C3/06;C09C3/08;(IPC1-7):C09C1/00;C09B67/20 |
主分类号 |
A61K8/18 |
| 代理机构 |
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