| 发明名称 |
Acicular particulate material containing iron carbide. |
| 摘要 |
Acicular particles containing an iron carbide prepared by contacting acicular iron oxyhydroxide or acicular iron oxide with CO or a mixture thereof with H2, have a high coercive force and orientation property in magnetic field. |
| 申请公布号 |
EP0123318(A2) |
申请公布日期 |
1984.10.31 |
| 申请号 |
EP19840104661 |
申请日期 |
1984.04.25 |
| 申请人 |
DAIKIN KOGYO CO., LTD. |
发明人 |
SHIBUYA, YOSHIYUKI;DAIMON, SHIGEO |
| 分类号 |
C01B31/30;C30B25/00;G11B5/706;H01F1/11 |
主分类号 |
C01B31/30 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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