| 发明名称 |
SILICA PREPARATION |
| 摘要 |
<p>A method of producing a xerogel which involves passing a solvent in which water is soluble through a hydrogel under conditions to remove water from the hydrogel and to form a xerogel.</p> |
| 申请公布号 |
CA1002418(A) |
申请公布日期 |
1976.12.28 |
| 申请号 |
CA19730183782 |
申请日期 |
1973.10.19 |
| 申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
DIETZ, RICHARD E.;DELAP, JOSEPH A. |
| 分类号 |
C01B33/157;B01D12/00;B01J13/00;B01J21/08;B01J37/00;C01B33/113;C01B33/158;C01B33/16 |
主分类号 |
C01B33/157 |
| 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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