发明申请
- 专利标题: Surface-modified pyrogenically prepared titanium dioxides
- 专利标题(中): 表面改性热解法制备的二氧化钛
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申请号: US11314082申请日: 2005-12-22
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公开(公告)号: US20060159635A1公开(公告)日: 2006-07-20
- 发明人: Jurgen Meyer , Kai Schumacher , Steffen Hasenzahl , Heike Riedemann , Ann Gray
- 申请人: Jurgen Meyer , Kai Schumacher , Steffen Hasenzahl , Heike Riedemann , Ann Gray
- 申请人地址: DE Dusseldorf
- 专利权人: Degussa AG
- 当前专利权人: Degussa AG
- 当前专利权人地址: DE Dusseldorf
- 优先权: EP04030586.4 20041223
- 主分类号: A61K8/29
- IPC分类号: A61K8/29
摘要:
Surface-modified, pyrogenically prepared titanium dioxides coated with silicon dioxide are prepared by spraying the pyrogenically prepared titanium dioxides coated with silicon dioxide with a surface-modifying agent and then tempering them. They can be used in sun protection formulations.