发明申请
US20100003202A1 Ultraviolet screening agent for cosmetics and cosmetics using the same
审中-公开
用于化妆品和化妆品的紫外线屏蔽剂使用它们
- 专利标题： Ultraviolet screening agent for cosmetics and cosmetics using the same
- 专利标题（中）： 用于化妆品和化妆品的紫外线屏蔽剂使用它们
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申请号： US12310995申请日： 2007-09-12
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公开(公告)号： US20100003202A1公开(公告)日： 2010-01-07
- 发明人: Takeshi Matsumoto , Hideo Oka , Jun Yamashita
- 申请人： Takeshi Matsumoto , Hideo Oka , Jun Yamashita
- 优先权： JP2006-251783 20060915; JP2007-088942 20070329; JP2007-227912 20070903
- 国际申请： PCT/JP2007/068218 WO 20070912
- 主分类号： A61K8/19
- IPC分类号： A61K8/19 ; A61K8/27 ; A61K8/29 ; A61K8/28
摘要：
An ultraviolet screening agent for cosmetics, including polymer-coated metal oxide fine particles produced by coating, with silica as a first layer, the surface of each of at least one kind of metal oxide fine particles selected from the group consisting of zinc oxide fine particles, titanium oxide fine particles, cerium oxide fine particles, zirconium oxide fine particles, and iron oxide fine particles, a primary particle diameter of which fine particles is not smaller than 1 nm and not greater than 100 nm, and coating the outside of the first layer with a polymer as a second layer; and cosmetics using the ultraviolet screening agent.