发明名称 EMULSIFIER-FREE FINELY DISPERSED SYSTEMS OF THE WATER-IN-OIL TYPE
摘要 <p>Emulsifier-free cosmetic or dermatological preparations, which are finely dispersed systems of the water-in-oil type, comprising1. an oil phase,2. an aqueous phase and3. one or more types of micronized, inorganic pigments whicha) have an average particle size of less than 200 nm, and whose particlesb) have both hydrophilic and lipophilic properties, i.e. have an amphiphilic character, and thus position themselves at the water/oil interface, and whichc) are selected from the group consisting of metal oxides, whichd) are optionally coated on the surfaceand alsooptionally comprising further cosmetic or pharmaceutical auxiliaries, additives and/or active substances.</p>
申请公布号 EP0969802(B1) 申请公布日期 2002.05.29
申请号 EP19980912495 申请日期 1998.03.21
申请人 BEIERSDORF AKTIENGESELLSCHAFT 发明人 GERS-BARLAG, HEINRICH;MUELLER, ANJA
分类号 A61K8/00;A61K8/04;A61K8/06;A61K8/25;A61K8/26;A61K8/29;A61K8/89;A61K8/891;A61K9/10;A61K9/107;A61Q1/00;A61Q1/04;A61Q15/00;A61Q17/04;C08L83/04;(IPC1-7):A61K7/42;A61K7/00 主分类号 A61K8/00
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