| 发明名称 |
Improved Cr203 catalyst composition. |
| 摘要 |
<p>An improved Cr2O3 catalyst composition, prepared by pyrolysis of ammonium dichromate, which contains less than 100 ppm of alkali metal and is useful in HF hydrofluorination reactions.</p> |
| 申请公布号 |
EP0403108(A1) |
申请公布日期 |
1990.12.19 |
| 申请号 |
EP19900305840 |
申请日期 |
1990.05.30 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
LEROU, JAN JOSEPH |
| 分类号 |
B01J23/26;C07B61/00;C07C17/08;C07C17/087;C07C17/20;C07C17/21;C07C19/08;C07C19/12 |
主分类号 |
B01J23/26 |
| 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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