发明名称 |
USE OF A HIGH STRUCTURE AND DISPERSIBLE PRECIPITATED SILICA AS THICKENING OR TEXTURING AGENT IN TOOTHPASTE COMPOSITIONS |
摘要 |
The invention concerns the use, as thickening or texturing agent in toothpaste compositions, of a highly dispersible precipitated silica having a pH of 3.5 to 9, a DOP oil absorption higher than 200 ml/g, a CTAB specific surface area from 70 to 250 m<2>, a median diameter of at least 20 mu m determined by ultrasound-free laser diffraction, a residual anion rate, expressed in sodium sulphate, less than 5 wt. %. |
申请公布号 |
WO0193803(A2) |
申请公布日期 |
2001.12.13 |
申请号 |
WO2001FR01742 |
申请日期 |
2001.06.06 |
申请人 |
RHODIA CHIMIE;CHEVALLIER, YVONICK;DROMARD, ADRIEN;LAHARY, PIERRE-YVES;MARCANDELLI, CELINE |
发明人 |
CHEVALLIER, YVONICK;DROMARD, ADRIEN;LAHARY, PIERRE-YVES;MARCANDELLI, CELINE |
分类号 |
A61K8/00;A61K8/25;A61K8/34;A61Q11/00;C01B33/193 |
主分类号 |
A61K8/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|