发明授权
US6074629A Dentifrice with a dye absorbing silica for imparting a speckled
appearance thereto
失效
具有染料吸收二氧化硅的牙粉用于赋予其斑点外观
- 专利标题： Dentifrice with a dye absorbing silica for imparting a speckled appearance thereto
- 专利标题（中）： 具有染料吸收二氧化硅的牙粉用于赋予其斑点外观
-
申请号： US123196申请日： 1998-07-27
-
公开(公告)号： US6074629A公开(公告)日： 2000-06-13
- 发明人: John Kostinko , James Sumpter , Kathleen S. Pike
- 申请人： John Kostinko , James Sumpter , Kathleen S. Pike
- 申请人地址： NJ Edison
- 专利权人： J. M. Huber Corporation
- 当前专利权人： J. M. Huber Corporation
- 当前专利权人地址： NJ Edison
- 主分类号： A61K8/04
- IPC分类号： A61K8/04 ; A61K8/22 ; A61K8/25 ; A61Q11/00 ; A61K7/16
摘要：
A dentifrice containing a dye absorbing silica which imparts a speckled appearance in toothpaste or gel formulations. The dye absorbing silica comprises silica granules which have a linseed oil absorption of at least about 150 cc/100 g, an average particle size of about 400 .mu.m to about 600 .mu.m, an attrition value of less than 30%, and a pH of about 6 to about 8.
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