发明名称 |
SILICIUM DIOXIDE AS AN ABSORPTION AGENT |
摘要 |
The invention relates to an absorbent precipitated silica and to compositions based on a liquid, for example of vitamin type, which is absorbed on this silica. The silica of the invention has the following characteristics: - BET surface area of at least 170 m<2>/g; - oil uptake of between 220 and 300 ml/100 g; - tamped packing density of at least 0.29; - median particle diameter of between 80 and 150 m; - particle size dispersion index of not more than 0.70. |
申请公布号 |
YU101589(A) |
申请公布日期 |
1991.02.28 |
申请号 |
YU19890001015 |
申请日期 |
1989.05.17 |
申请人 |
SOCIETE RHON POULENC CHIMIE |
发明人 |
PONCCON J L;RABUTE L |
分类号 |
A61K47/04;A61K9/14;A61K9/16;A61K9/18;C01B33/12;C01B33/187;C01B33/193;C09C1/30 |
主分类号 |
A61K47/04 |
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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