| 发明名称 | Skin external preparation containing triterpenic acid | ||
| 摘要 | Disclosed is a skin external preparation containing a triterpenic acid typified by ursolic acid. For obtaining a skin external preparation 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 skin external preparation containing a triterpenic acid and the like such as benzyl ursolate. | ||
| 申请公布号 | US8912172(B2) | 申请公布日期 | 2014.12.16 |
| 申请号 | US200712305350 | 申请日期 | 2007.04.24 |
| 申请人 | Kuraray Co., Ltd.;Pola Chemical Industries Inc. | 发明人 | Akamatsu Hisashi;Suzuki Masashi;Sakai Yuji |
| 分类号 | A61K31/56;A61K31/19;A61K31/20;A61Q19/00;A61Q19/08;A61K8/34;A61K8/63;A61K9/00 | 主分类号 | A61K31/56 |
| 代理机构 | Knobbe, Martens, Olson & Bear LLP | 代理人 | Knobbe, Martens, Olson & Bear LLP |
| 主权项 | 1. A skin external preparation, comprising: component (1) 1.0 wt % or less of a triterpenic acid and/or an ester, amide, ether or salt derivative thereof, provided that the content of the triterpenic acid and/or the derivative thereof is not 0; and component (2) 0.1 to 0.5 wt % of a 4-alkylresorcinol and/or a salt thereof. | ||
| 地址 | Okayama JP | ||