发明名称 |
ULTRAVIOLET SCREENING AGENT FOR COSMETICS AND COSMETICS USING THE SAME |
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. |
申请公布号 |
EP2063855(A4) |
申请公布日期 |
2010.08.25 |
申请号 |
EP20070807586 |
申请日期 |
2007.09.12 |
申请人 |
NIPPON SHOKUBAI CO., LTD.;TAYCA CORPORATION |
发明人 |
MATSUMOTO, TAKESHI;OKA, HIDEO;YAMASHITA, JUN |
分类号 |
A61K8/27;A61K8/04;A61K8/19;A61K8/28;A61K8/29;A61K8/81;A61Q17/04;C09C3/10 |
主分类号 |
A61K8/27 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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