| 发明名称 |
SURFACE TREATMENT OF MAGNETIC METAL OXIDE POWDER |
| 摘要 |
PURPOSE:To provide a process for the production of powder, which is highly dispersible into various organic oslvents, wherein an anionic surface active agent is added to an aqueous dispersion of a starting magnetic metal oxide powder which contains a metal ion adsorbed on the surface thereof. |
| 申请公布号 |
JPS53134796(A) |
申请公布日期 |
1978.11.24 |
| 申请号 |
JP19770049159 |
申请日期 |
1977.04.28 |
| 申请人 |
HITACHI MAXELL |
发明人 |
MIYAKE AKIRA;WATAYA SEIJI |
| 分类号 |
C01G49/06;C01B13/14;C01G49/00;C01G49/02;H01F1/11 |
主分类号 |
C01G49/06 |
| 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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