发明授权
- 专利标题: PEARLESCENT PIGMENTS CONTAINING FERRITES
- 专利标题(中): 铁氧体含珠光
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申请号: EP98963056.1申请日: 1998-12-10
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公开(公告)号: EP1058714B1公开(公告)日: 2002-04-24
- 发明人: JONES, Steven, Alan
- 申请人: ENGELHARD CORPORATION
- 申请人地址: 101 Wood Avenue Iselin, New Jersey 08830-0770 US
- 专利权人: ENGELHARD CORPORATION
- 当前专利权人: ENGELHARD CORPORATION
- 当前专利权人地址: 101 Wood Avenue Iselin, New Jersey 08830-0770 US
- 代理机构: Fisher, Adrian John
- 优先权: US31925 19980227
- 国际公布: WO9943755 19990902
- 主分类号: C09C1/00
- IPC分类号: C09C1/00
摘要:
A pearlescent pigment which is a ferrite-coated iron oxide-coated platy substrate in which the ferrite is substantially free of crystallites is obtained by adding metal ions to a slurry of hydrous iron compound and platy particles and then co-calcining in the metal and iron.
公开/授权文献
- EP1058714A1 PEARLESCENT PIGMENTS CONTAINING FERRITES 公开/授权日:2000-12-13
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