Invention Application
- Patent Title: OIL-IN-WATER EMULSION COMPOSITION
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Application No.: US16606111Application Date: 2018-05-16
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Publication No.: US20210145707A1Publication Date: 2021-05-20
- Inventor: AYAKO IBE , Shigeo TAKAHASHI
- Applicant: SHISEIDO COMPANY, LTD.
- Applicant Address: JP TOKYO
- Assignee: SHISEIDO COMPANY, LTD.
- Current Assignee: SHISEIDO COMPANY, LTD.
- Current Assignee Address: JP TOKYO
- Priority: JP2017-100140 20170519
- International Application: PCT/JP2018/018875 WO 20180516
- Main IPC: A61K8/06
- IPC: A61K8/06 ; A61K8/92 ; A61K8/81 ; A61Q19/02

Abstract:
A purpose of the present invention is to provide an oil-in-water emulsion composition that is stable even when using solid oils from which it was conventionally considered to be difficult to form large oil-based particles exceeding 50 μm, and also improving the uniformity of the particle sizes and the shapes of the oil-based particles. The present invention relates to an oil-in-water emulsion composition in which oil-based particles containing a solid oil, a liquid oil and a powder are dispersed in a water phase, wherein: the oil-based particles have an average particle size of 50 μm to 10 mm; and the powder is contained inside the oil-based particles.
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