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
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