发明授权
US06426079B1 Water-in-oil emulsion, composition comprising such an emulsion, and use thereof
失效
油包水乳液,包含这种乳液的组合物及其用途
- 专利标题: Water-in-oil emulsion, composition comprising such an emulsion, and use thereof
- 专利标题(中): 油包水乳液,包含这种乳液的组合物及其用途
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申请号: US09277207申请日: 1999-03-26
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公开(公告)号: US06426079B1公开(公告)日: 2002-07-30
- 发明人: Isabelle Bara , Patricia Lemann , Florence Tournilhac , Annick Collette , Jean-Christophe Simon
- 申请人: Isabelle Bara , Patricia Lemann , Florence Tournilhac , Annick Collette , Jean-Christophe Simon
- 优先权: FR9803762 19980326
- 主分类号: B01F308
- IPC分类号: B01F308
摘要:
The present invention relates to a stable water-in-oil emulsion for cosmetic, pharmaceutical or hygiene use, comprising an aqueous phase and a fatty phase comprising a silicone oil, characterized in that it comprises an emulsifying system comprising at least one &agr;,&ohgr;-substituted oxyalkylenated silicone of formula (I): in which: R=—(CH2)pO—(C2H4O)x(C3H6O)yR1 where: R1 represents H, CH3 or CH2CH3, p is an integer ranging from 1 to 5, x ranges from 1 to 100 and y ranges from 1 to 50, it being possible for the units (C2H4O) and (C3H6O) to be distributed randomly or in blocks, the R2 radicals represent a C1-C3 alkyl radical or a phenyl radical, 5≦m≦300, and a co-surfactant chosen from the family of glycol mono- and/or diesters and glyceryl mono-, di- and/or triesters, and mixtures thereof. The invention also relates to a composition comprising the above emulsion, and to its applications in the cosmetics, pharmaceutical, dermatological or hygiene fields.
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