| 发明名称 |
PURE COLOUR IRON OXIDE PIGMENTS, PROCESS FOR MANUFACTURING THEM AND THEIR USE |
| 摘要 |
<p>The present invention relates to novel pure colour cluster-shaped iron oxide pigments which are low in foreign metals, the preparation thereof and the use thereof. …<IMAGE>… </p> |
| 申请公布号 |
EP0290908(A3) |
申请公布日期 |
1989.03.01 |
| 申请号 |
EP19880107015 |
申请日期 |
1988.05.02 |
| 申请人 |
BAYER AG |
发明人 |
BUROW, WILFRIED, DR.;HOFS, HANS-ULRICH, DR.;GANTER, KARL-WERNER, DR.;SCHULTEN, GERD-HERMANN |
| 分类号 |
C01G49/06;C09C1/22;C09C1/24;(IPC1-7):C09C1/24 |
主分类号 |
C01G49/06 |
| 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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