| 发明名称 |
PROCESS FOR PRODUCING IRON OXIDE PIGMENTS |
| 摘要 |
The present invention relates to a process for producing iron oxide red pigments containing the step of forming a suspension of haematite nuclei by reaction between dilute nitric acid and elemental iron above 90.degree.C. and to pigments of pure color and their use.
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| 申请公布号 |
CA2326765(A1) |
申请公布日期 |
2001.06.02 |
| 申请号 |
CA20002326765 |
申请日期 |
2000.11.24 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
ETZENBACH, NORBERT;BUTJE, KAI |
| 分类号 |
C01G49/06;C04B28/02;C04B111/82;C08K3/22;C09C1/24;C09D7/12;(IPC1-7):C09C1/24;C09D1/00;C04B22/06 |
主分类号 |
C01G49/06 |
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