| 发明名称 |
METHOD OF MAKING FERROMAGNETIC METAL POWDERS |
| 摘要 |
The magnetic properties of ferromagnetic metal powders made by the borohydride reduction of appropriate mixtures of iron, cobalt, nickel and optionally chromium salts can be modified by the addition of complex forming agents to the reaction medium.
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| 申请公布号 |
US3661556(A) |
申请公布日期 |
1972.05.09 |
| 申请号 |
USD3661556 |
申请日期 |
1969.03.03 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND CO. |
发明人 |
JOHN ERIC JOLLEY;ERNEST LEWIS LITTLE JR. |
| 分类号 |
B22F9/24;H01F1/06;(IPC1-7):C22B23/04;C22B39/00 |
主分类号 |
B22F9/24 |
| 代理机构 |
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