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.
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
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