发明名称 Preparation of retinol-gamma cyclodextrin complex useful in skin care cosmetic or dermatological compositions comprises using retinol as solution in polysorbate, giving quantitative conversion to stable complex
摘要 The preparation of stable retinol- psi -cyclodextrin complex by complexation of retinol with psi -cyclodextrin in aqueous solution is carried out using the retinol to be complexed in the form of a solution in polysorbate. (N.B. The term 'retinol' includes retinol derivatives (e.g. retinyl esters or vitamin A acid) as well as retinol itself).
申请公布号 DE19847633(C1) 申请公布日期 2000.03.02
申请号 DE19981047633 申请日期 1998.10.15
申请人 WACKER-CHEMIE GMBH 发明人 REGIERT, MARLIES;MOLDENHAUER, JENS-PETER
分类号 A61K31/59;A61K31/715;A61K47/48;C07C403/08;C08B37/00;C08B37/16;(IPC1-7):C07C403/08;A61K7/00 主分类号 A61K31/59
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