发明名称 |
Production of microcrystalline ferrimagnetic spinels |
摘要 |
This invention provides an improved process for producing a microcrystalline ferrimagnetic spinel via an amorphous organometallic precursor. The process produces a high purity ferrite powder such as Ni0.7Zn0.3Fe2O4 which has an average particle size less than about 1000 angstroms.
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申请公布号 |
US4473542(A) |
申请公布日期 |
1984.09.25 |
申请号 |
US19830497345 |
申请日期 |
1983.05.23 |
申请人 |
CELANESE CORPORATION |
发明人 |
DAVID, LAWRENCE D. |
分类号 |
C01G49/00;C01G53/00;H01F1/34;(IPC1-7):C01G9/00 |
主分类号 |
C01G49/00 |
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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