发明授权
- 专利标题: Black magnetic iron oxide particles and magnetic toner
- 专利标题(中): 黑色磁性氧化铁颗粒和磁性调色剂
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申请号: EP02250422.9申请日: 2002-01-22
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公开(公告)号: EP1225600B1公开(公告)日: 2007-03-07
- 发明人: Uchida, Naoki , Kouzawa, Minoru , Misawa, Hiromitsu , Aoki, Koso , Miura, Suehiko
- 申请人: TODA KOGYO CORPORATION
- 申请人地址: 1-2, Funairiminami 4-chome, Naka-ku Hiroshima-shi, Hiroshima-ken JP
- 专利权人: TODA KOGYO CORPORATION
- 当前专利权人: TODA KOGYO CORPORATION
- 当前专利权人地址: 1-2, Funairiminami 4-chome, Naka-ku Hiroshima-shi, Hiroshima-ken JP
- 代理机构: Woods, Geoffrey Corlett
- 优先权: JP2001015115 20010123
- 主分类号: H01F1/11
- IPC分类号: H01F1/11 ; G03G9/083 ; C09C1/24
公开/授权文献
- EP1225600A3 Black magnetic iron oxide particles and magnetic toner 公开/授权日:2003-08-06
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