发明名称 Preparation of acicular ferromagnetic metal particles consisting essentially of iron
摘要 Acicular metal particles consisting essentially of iron are prepared by reducing alpha -iron(III) oxide obtained-by dehydration-from acicular iron(III) oxide hydroxide prepared in the presence of phosphate ions and having a shape-stabilizing surface coating.
申请公布号 US4729785(A) 申请公布日期 1988.03.08
申请号 US19860856972 申请日期 1986.04.29
申请人 BASF AKTIENGESELLSCHAFT 发明人 SCHWAB, EKKEHARD;STECK, WERNER;RUDOLF, PETER;VAETH, GUENTER;JAKUSCH, HELMUT;KOVACS, JENOE
分类号 H01F1/06;B22F9/22;B22F9/24;G11B5/706;(IPC1-7):C22C1/04 主分类号 H01F1/06
代理机构 代理人
主权项
地址