发明名称 |
Method of preventing darkening of skin or inhibiting melanization of melenin monomer and polymerization inhibitor of biological dihydroxyindole compound |
摘要 |
A method of preventing darkening of the skin or inhibiting melanization caused by the irradiation of the melanin monomers with long wavelength ultraviolet rays having a wavelength of 320-400 nm as well as a polymerization inhibitor of a biological dihydroxyindole compound comprising 3-O-ethyl ascorbic acid and an external skin treatment composition containing the same.
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申请公布号 |
US2003134264(A1) |
申请公布日期 |
2003.07.17 |
申请号 |
US20020162738 |
申请日期 |
2002.06.06 |
申请人 |
SHISEIDO COMPANY, LTD. |
发明人 |
MAEDA KAZUHISA;HATAO MASATO |
分类号 |
A61K8/49;A61K8/67;A61Q17/04;A61Q19/02;C08F2/00;(IPC1-7):C12Q1/00;A61K7/42;A61K31/375 |
主分类号 |
A61K8/49 |
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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