ULTRAVIOLET ABSORBER AND SKIN EXTERNAL PREPARATION CONTAINING THE SAME

PROBLEM TO BE SOLVED: To provide an ultraviolet absorber which absorbs ultraviolet light in both the UV-A region and the UV-B region and is excellent in compatibility with an oil component used as a base of a skin external preparation; and a skin external preparation containing the absorber. SOLUTIO...

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Bibliographische Detailangaben
Hauptverfasser: TANABE TOSHIO, MIYAHARA REIJI, TANAKA NAOKI, OGUCHI MARE
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an ultraviolet absorber which absorbs ultraviolet light in both the UV-A region and the UV-B region and is excellent in compatibility with an oil component used as a base of a skin external preparation; and a skin external preparation containing the absorber. SOLUTION: The ultraviolet absorber is composed of a compound represented by the general formula (wherein one of R, R', and R" is hydrogen and the other two are each a methyl group, or two of them are hydrogen and the remainder is a 1-3C straight chain alkyl). COPYRIGHT: (C)2006,JPO&NCIPI