A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/56 (2006.01) A61K 8/06 (2006.01) A61K 8/34 (2006.01) A61K 8/36 (2006.01) A61K 8/63 (2006.01) A61K 47/10 (2006.01) A61K 47/12 (2006.01) A61P 17/00 (2006.01) A61P 17/08 (2006.01) A61P 17/10 (2006.01) A61P 29/00 (2006.01) A61P 43/00 (2006.01) A61Q 19/00 (2006.01)
Patent
CA 2655788
Disclosed is a preparation for external application to skin, which contains a triterpenic acid typified by ursolic acid and the like. For obtaining a preparation for external application to skin having excellent storage stability by improving the dissolution stability of the triterpenic acid and the like, 4-alkylresorcinol such as 4-n-butylresorcinol is added into a preparation for external application to skin containing a triterpenic acid such as ursolic acid and the like.
L'invention concerne une préparation pour application cutanée, cette préparation contenant un acide triterpénique tel que l'acide ursolique et similaire. L'objectif de l'invention est d'obtenir une préparation pour application cutanée qui présente une excellente stabilité au stockage grâce à une amélioration de la stabilité à la dissolution de l'acide triterpénique et similaire. À cet effet, du 4-alkylrésorcinol tel que le 4-n-butylrésorcinol est ajouté à la préparation pour application cutanée contenant un acide triterpénique tel que l'acide ursolique et similaire.
Akamatsu Hisashi
Sakai Yuji
Suzuki Masashi
Kuraray Co. Ltd.
Pola Chemical Industries Inc.
Smart & Biggar
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