发明公开
EP0279626A3 Plate-like magnetite particles, plate-like maghemite particles and process for producing the same 失效
板状磁铁颗粒,类似镁颗粒及其生产方法

  • 专利标题: Plate-like magnetite particles, plate-like maghemite particles and process for producing the same
  • 专利标题(中): 板状磁铁颗粒,类似镁颗粒及其生产方法
  • 申请号: EP88301270.0
    申请日: 1988-02-16
  • 公开(公告)号: EP0279626A3
    公开(公告)日: 1989-02-15
  • 发明人: Tanihara, MamoruOkuda, YoshiroSadamura, Hideaki
  • 申请人: TODA KOGYO CORP.
  • 申请人地址: 7-1 Yokogawa-Shinmachi Nishi-ku Hiroshima-shi Hiroshima-ken JP
  • 专利权人: TODA KOGYO CORP.
  • 当前专利权人: TODA KOGYO CORP.
  • 当前专利权人地址: 7-1 Yokogawa-Shinmachi Nishi-ku Hiroshima-shi Hiroshima-ken JP
  • 代理机构: Woods, Geoffrey Corlett
  • 优先权: JP34141/87 19870216; JP332467/87 19871229; JP332468/87 19871229
  • 主分类号: G11B5/706
  • IPC分类号: G11B5/706 C09C1/24 C01G49/06 H01F1/36
Plate-like magnetite particles, plate-like maghemite particles and process for producing the same
摘要:
Poreless and non-sintered plate-like magnetite or maghemite particles having average plate surface diameters of from 0.03 to 0.50 µm and a specific surface area of from 7 to 30 m²/g.
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