| 发明名称 |
Precursor preparation for the production of neutral metal oxide sols |
| 摘要 |
The invention relates to a preparation which is suitable for preparing a neutral metal oxide sol and contains 35-75% by weight of one or more metal oxide sols or metal oxide hydrates and 15-45% by weight of one or more hydroxycarboxylic acids and/or hydroxycarboxylic acid derivatives as stabilizers.
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| 申请公布号 |
US5389361(A) |
申请公布日期 |
1995.02.14 |
| 申请号 |
US19920898586 |
申请日期 |
1992.06.15 |
| 申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
发明人 |
OSTERRIED, KARL;HECHLER, WOLFGANG;BRUECKNER, HANS-DIETER;MARTIN, ROLAND |
| 分类号 |
A61K8/19;A61K8/00;A61K8/29;A61K8/30;A61K8/36;A61K8/365;A61Q17/04;A61Q19/00;B01F17/00;B01J13/00;C01B13/14;C01G1/02;C01G23/00;C01G23/047;C01G49/06;C09K3/00;(IPC1-7):A61K7/42;A61K7/44 |
主分类号 |
A61K8/19 |
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