| 发明名称 |
Process for production of ferromagnetic powder |
| 摘要 |
A process for producing a ferromagnetic metal powder comprising treating a ferromagnetic metal powder produced by a solution reduction process with an aqueous solution containing at least one anionic surface active agent.
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| 申请公布号 |
US4063000(A) |
申请公布日期 |
1977.12.13 |
| 申请号 |
US19750614274 |
申请日期 |
1975.09.17 |
| 申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
AONUMA, MASASHI;OGAWA, HIROSHI;TAMAI, YASUO |
| 分类号 |
B22F9/24;G11B5/706;H01F1/06;(IPC1-7):H01F1/02 |
主分类号 |
B22F9/24 |
| 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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