| 发明名称 |
NEEDLE-LIKE FERRIMAGNETIC IRON OXIDE AND MANUFACTURE |
| 摘要 |
A modified acicular ferrimagnetic iron oxide which consists of a core of gamma-iron(III) oxide and a surrounding shell of gamma-iron(III) oxide modified by tin dioxide and carbon, and a process for its preparation. |
| 申请公布号 |
JPS58140326(A) |
申请公布日期 |
1983.08.20 |
| 申请号 |
JP19830014710 |
申请日期 |
1983.02.02 |
| 申请人 |
BASF AG |
发明人 |
PEETAA RUDORUFU;IENE KOFUAKUSU;GIYUNTAA FUEETO;MANFUREETO OORINGAA |
| 分类号 |
C01G49/00;C01G49/06;C09D5/23;G11B5/706;H01F1/11 |
主分类号 |
C01G49/00 |
| 代理机构 |
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