| 发明名称 |
Catalyst precursors. |
| 摘要 |
Shaped units, particularly having multiple through holes, are made from a very finely divided iron oxide composition and are then sintered at a temperature above 1100 DEG C. The products are of particular use as ammonia synthesis catalyst precursors. |
| 申请公布号 |
EP0223439(A2) |
申请公布日期 |
1987.05.27 |
| 申请号 |
EP19860308279 |
申请日期 |
1986.10.24 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
THISTLETHWAITE, TERENCE;TER MAAT, JOHAN HERMAN HENDRIK |
| 分类号 |
B01J23/745;B01J23/78;B01J35/02;B01J37/00;C01C1/04;C07C67/00;C07C209/00;C07C209/48 |
主分类号 |
B01J23/745 |
| 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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