| 发明名称 |
Inhomogeneous silicas as carrier material |
| 摘要 |
A silica comprising at least two silica fractions, wherein said at least two silica fractions differ by at least 10% in at least one value for BET surface area, CTAB surface area and DBP absorption, the ranges of these three physicochemical properties being as follows:
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| 申请公布号 |
US2003059380(A1) |
申请公布日期 |
2003.03.27 |
| 申请号 |
US20020098594 |
申请日期 |
2002.03.18 |
| 申请人 |
DE GUSSA AG |
发明人 |
UHRLANDT STEFAN;SCHMOLL RALF;DREXEL CLAUS-PETER |
| 分类号 |
A61K9/14;A61K47/04;B01J21/08;B01J32/00;B01J35/00;B01J35/10;C01B33/18;C01B33/193;(IPC1-7):C01B33/12;A61K7/16 |
主分类号 |
A61K9/14 |
| 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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