发明授权
- 专利标题: Cosmetic or dermatological gels based on microemulsions
- 专利标题(中): 基于微乳液的化妆品或皮肤病学凝胶
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申请号: US09269676申请日: 1999-06-18
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公开(公告)号: US06667044B1公开(公告)日: 2003-12-23
- 发明人: Khiet Hien Diec , Wolfgang Meier , Jörg Schreiber
- 申请人: Khiet Hien Diec , Wolfgang Meier , Jörg Schreiber
- 优先权: DE19640877 19961004; DE19642090 19961012
- 主分类号: A61K700
- IPC分类号: A61K700
摘要:
Microemulsion gels a) based on water in oil type microemulsions, comprising an oil phase which is essentially composed of not easily volatile components, an aqueous phase containing one or more polyethoxylated W/O emulsifiers and/or one or more polypropoxylated W/O emulsifiers and/or one or more polyethoxylated and polypropoxylated W/O emulsifiers and/or one or more monoesters, diesters, polyesters of polyols as W/O emulsifiers and/or one or more monoethers, diethers, polyethers of polyols as W/O emulsifiers and/or one or more dimethicone copolyols as W/O emulsifiers and/or one or more fatty alcohols or fatty acids as W/O emulsifiers and/or one or more sorbitan esters as W/O emulsifiers and/or one or more methyl glucose esters as W/O emulsifiers, and also comprising if desired one or more O/W emulsifiers, obtained in such a way that a mixture of basic components comprising an aqueous phase, an oil phase, one or more inventive emulsifiers is produced, being the HLB value of the emulsifier or emulsifier combination located between 2 and 14.
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