发明授权
- 专利标题: Process for the preparation of composite pigments
- 专利标题(中): 复合颜料的制备方法
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申请号: US43912申请日: 1993-04-07
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公开(公告)号: US5562763A公开(公告)日: 1996-10-08
- 发明人: Hans-Dieter Bruckner , Ines Subrod
- 申请人: Hans-Dieter Bruckner , Ines Subrod
- 申请人地址: DEX Darmstadt
- 专利权人: Merck Patent Gesellschaft mit beschrankter Haftung
- 当前专利权人: Merck Patent Gesellschaft mit beschrankter Haftung
- 当前专利权人地址: DEX Darmstadt
- 优先权: DEX4211560.4 19920407
- 主分类号: A61K8/18
- IPC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 ; C09C1/62
摘要:
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.
公开/授权文献
- US5976379A Metathetic process utilizing a cation exchanger 公开/授权日:1999-11-02
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