Invention Grant
- Patent Title: Oil-in-water emulsion composition and method for producing the same
- Patent Title (中): 水包油乳液组合物及其制备方法
-
Application No.: US12670895Application Date: 2008-07-22
-
Publication No.: US08216597B2Publication Date: 2012-07-10
- Inventor: Takashi Oka , Reiji Miyahara , Takashi Teshigawara
- Applicant: Takashi Oka , Reiji Miyahara , Takashi Teshigawara
- Applicant Address: JP Chuo-ku, Tokyo
- Assignee: Shiseido Company Ltd.
- Current Assignee: Shiseido Company Ltd.
- Current Assignee Address: JP Chuo-ku, Tokyo
- Agency: Rankin, Hill & Clark LLP
- Priority: JP2007-195719 20070727; JP2008-049393 20080229
- International Application: PCT/JP2008/063106 WO 20080722
- International Announcement: WO2009/016989 WO 20090205
- Main IPC: A61K8/02
- IPC: A61K8/02 ; A61K8/00 ; A61K9/14 ; A61K9/66 ; A61Q19/02

Abstract:
The present invention provides: an oil-in-water emulsion composition, into which an oil-soluble drug is stably incorporated and which is excellent in feeling during use; and a method for producing the aforementioned composition, which does not require complicated operations. An oil-in-water emulsion composition comprising; (A) a polyoxyethylene phytosterol, (B) a glycerin fatty acid diester, (C) a polyoxyethylene-polyoxypropylene random copolymer dialkyl ether, (D) an oil-soluble drug, (E) oil, and (F) water; wherein a layered gel structure composed of the components (A) and (B) is present in an emulsion particle in the emulsion composition.
Public/Granted literature
- US20100196429A1 Oil-In-Water Emulsion Composition And Method For Producing The Same Public/Granted day:2010-08-05
Information query