发明授权
EP1058714B1 PEARLESCENT PIGMENTS CONTAINING FERRITES 有权
铁氧体含珠光

  • 专利标题: PEARLESCENT PIGMENTS CONTAINING FERRITES
  • 专利标题(中): 铁氧体含珠光
  • 申请号: EP98963056.1
    申请日: 1998-12-10
  • 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
PEARLESCENT PIGMENTS CONTAINING FERRITES
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.
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