Invention Grant
- Patent Title: Stable, concentrated and dilute, oil-in-water emulsions, their processes of preparation, and formulation process employing these emulsions
- Patent Title (中): 稳定的，浓缩和稀释的水包油乳剂，其制备方法和使用这些乳液的制剂方法
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Application No.: US10487786Application Date: 2004-01-20
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Publication No.: US07645804B2Publication Date: 2010-01-12
- Inventor: Véronique Rossow , Nicolas Rossow , Jean Rossow
- Applicant: Véronique Rossow , Nicolas Rossow , Jean Rossow
- Applicant Address: FR Gennevilliers
- Assignee: J&C International
- Current Assignee: J&C International
- Current Assignee Address: FR Gennevilliers
- Agency: Young & Thompson
- Priority: FR0309861 20030812
- International Application: PCT/FR2004/000122 WO 20040120
- International Announcement: WO2005/025533 WO 20050324
- Main IPC: B01F3/08
- IPC: B01F3/08 ; A23D7/04 ; A61K8/06 ; A23D7/00
Abstract:
A stable complex oil-in-water emulsion which is useful in the cosmetic, pharmaceutical or food fields. The stable complex oil-in-water emulsion is formed by the mixing of individual oil-in-water emulsions, each individual emulsion being obtained from an air/water pre-emulsion of a preferably-nonionic surfactant; a cosurfactant selected from hydrophilic compounds, preferably with at least one hydroxyl group selected from polyols; and an aqueous phase. A method of preparing a stable complex oil-in-water emulsion whereby individual oil-in-water emulsions, chosen for properties desired in the stable complex oil-in-water emulsion, are optionally diluted and mixed without exerting a shear force.
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