发明申请
- 专利标题： USNIC ACID TOPICAL FORMULATION
- 专利标题（中）： USNIC酸性局部制剂
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申请号： US14008376申请日： 2012-03-26
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公开(公告)号： US20140057976A1公开(公告)日： 2014-02-27
- 发明人: Steven John Abbott , Gavin Donoghue , Elizabeth Anne Eady
- 申请人： Steven John Abbott , Gavin Donoghue , Elizabeth Anne Eady
- 申请人地址： GB Yorkshire
- 专利权人： EVOCUTIS PLC
- 当前专利权人： EVOCUTIS PLC
- 当前专利权人地址： GB Yorkshire
- 优先权： GB1105410.3 20110331; GB1111013.7 20110629
- 国际申请： PCT/GB2012/050664 WO 20120326
- 主分类号： A61K31/343
- IPC分类号： A61K31/343
摘要：
Topical skin treatment formulation containing usnic acid or an usnate salt, dissolved in a solvent system comprising (i) dimethyl isosorbide; (ii) a C1 to C9 alkyl salicylate; and (iii) a glyceryl fatty acid ester. The solvent system may also comprise an alcohol, a polyoxyalkylene-based solvent, and/or a C1 to C4 alkyl glucose ester. The formulation may be used in the treatment of microbial conditions, in particular acne. The solvent system assists in the effective dissolution of the usnic acid or usnate and in targeting its delivery to relevant sites on the skin.
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