发明名称 |
Method for refining ultraviolet absorbent, ultraviolet absorbent and cosmetic material |
摘要 |
The process for purifying an ultraviolet absorber of the present invention is characterized by including an adsorbent treatment step of bringing the ultraviolet absorber into contact with an absorbent. According to the process, an ultraviolet absorber having a reduced odor, an improved hue and less skin irritation can be obtained. |
申请公布号 |
US2006193796(A1) |
申请公布日期 |
2006.08.31 |
申请号 |
US20050548496 |
申请日期 |
2005.09.09 |
申请人 |
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发明人 |
MIZUOKA TAKANORI;IWAMOTO YOSHIAKI;TAKAGI YOSHIAKI;ASHITAKA KEIJI;NOBUHARA KAZUNORI |
分类号 |
A61K8/36;A61K8/02;A61K8/37;A61Q1/06;A61Q17/04;C07C69/88;C09C1/28;C09C3/08 |
主分类号 |
A61K8/36 |
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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