发明名称 |
Magnetic particles containing iron as the main component and process for producing the same. |
摘要 |
<p>Magnetic particles are disclosed which contain iron as the main component, have an average particle diameter of 0.1 to 3.0 mu m and a liquid absorption of not more than 18 ml. The particles are useful in magnetic toners, for example in copying machines.</p> |
申请公布号 |
EP0439367(A2) |
申请公布日期 |
1991.07.31 |
申请号 |
EP19910300583 |
申请日期 |
1991.01.25 |
申请人 |
TODA KOGYO CORP. |
发明人 |
MISAWA, HIROMITSU;FUJIOKA, KAZUO;KURITA, EIICHI;FUJII, YASUHIKO;OKANO, YOUZI |
分类号 |
G03G9/08;G03G9/083;H01F1/06;H01F1/08 |
主分类号 |
G03G9/08 |
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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