油性外用製剤及びその製造方法
- 专利权人:
- 公益財団法人宮崎県産業振興機構
- 发明人:
- 西片 奈保子,清水 正高,中森 敏雄
- 申请号:
- JP2009168306
- 公开号:
- JP5531230B2
- 申请日:
- 2009.07.16
- 申请国别(地区):
- JP
- 年份:
- 2014
- 代理人:
- 摘要:
PROBLEM TO BE SOLVED: To provide an oily preparation for external use excellent in penetration property to skin (epidermis, dermis, subcutaneous tissue) in addition to mono-dispersibility and stability.
SOLUTION: This oily preparation for external use is characterized by including an active ingredient, a surfactant and an oily agent, wherein active particles containing the active ingredient are mono-dispersed in an oil phase containing the surfactant and oily agent, (1) the active ingredient is a crude medicine-extract component and/or a hydrophilic polymer having &ge1,000 molecular weight, (2) the mean particle diameter of the active particles is &le200 nm, and (3) the water content is &le0.5 wt.%.
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- 来源网站:
- 中国工程科技知识中心