| 发明名称 |
THERMOSTABILE EISENOXIDPIGMENTE |
| 摘要 |
Iron oxide particles containing at least 5% by weight of iron (II) content calculated as FeO are stabilized against atmospheric oxidation by a coating of at least one compound containing boron and those particles are useful as coloring pigments and magnetic particles in magnetic recording media. |
| 申请公布号 |
DE3211327(A1) |
申请公布日期 |
1983.09.29 |
| 申请号 |
DE19823211327 |
申请日期 |
1982.03.27 |
| 申请人 |
BAYER AG |
发明人 |
BIERMANN,HANS-PETER,DIPL.-CHEM.DR.;KOEHLER,PETER,DIPL.-CHEM.DR.;HEINE,HEINRICH,DIPL.-CHEM.DR. |
| 分类号 |
C09C1/22;C01G49/00;C09C1/00;C09C1/24;C09C3/00;C09C3/06;C09D7/00;C09D7/12;(IPC1-7):01G49/02;09C1/24;05D5/12;11B5/62 |
主分类号 |
C09C1/22 |
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