| 发明名称 |
PROCEDIMIENTO PARA PREPARAR UN XEROGEL DE SILICE. |
| 摘要 |
<p>An improved olefin hydration catalyst is disclosed and comprises phosphoric acid supported on a particular type of porous silica xerogel which has been treated with steam under particular temperature conditions.</p> |
| 申请公布号 |
ES432828(A1) |
申请公布日期 |
1977.02.16 |
| 申请号 |
ES19280004328 |
申请日期 |
1974.12.12 |
| 申请人 |
NATIONAL DISTILLERS AND CHEMICAL CORPORATION |
发明人 |
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| 分类号 |
C07C29/04;B01J20/10;B01J21/08;B01J23/78;B01J27/16;B01J35/10;B01J37/08;B01J37/10;C01B33/157;C07B61/00;C07C27/00;C07C31/02;C07C41/20;C07C67/00;(IPC1-7):01B/;01J/ |
主分类号 |
C07C29/04 |
| 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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