发明名称 |
ABSORBERENDE SILIKA, DETS FREMSTILLING OG ANVENDELSE. |
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 |
NO891989(D0) |
申请公布日期 |
1989.05.18 |
申请号 |
NO19890001989 |
申请日期 |
1989.05.18 |
申请人 |
RHONE-POULENC CHIMIE |
发明人 |
PONCHON, JEAN-LUC;RABUTE, LIONEL |
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 |
|
代理人 |
|
主权项 |
|
地址 |
|