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    • 2. 发明授权
    • Cosmetic and pharmaceutical preparations comprising photostable UV
filters
    • 包含光稳定型紫外线过滤器的化妆品和药物制剂
    • US6090374A
    • 2000-07-18
    • US172672
    • 1998-10-15
    • Thorsten HabeckSylke HaremzaVolker SchehlmannHorst WestenfelderThomas Wunsch
    • Thorsten HabeckSylke HaremzaVolker SchehlmannHorst WestenfelderThomas Wunsch
    • A61K8/00A61K8/40A61K31/00A61P17/00A61P17/16A61Q1/04A61Q17/04A61K7/42A61K7/00A61K7/44
    • A61Q17/04A61K8/40A61Q1/04A61K2800/52
    • The use of substituted .alpha.-methylstyrene derivatives of the formula I, ##STR1## where the variables have the following meanings: R.sup.1 C.sub.4 -C.sub.10 -alkoxy, C.sub.1 -C.sub.12 -alkylamino, C.sub.1 -C.sub.12 -dialkylamino, substituents which confer solubility in water and which are selected from the group consisting of carboxylate, sulfonate or ammonium residues;R.sup.2 hydrogen, C.sub.2 -C.sub.10 -alkyl, C.sub.1 -C.sub.12 -alkoxy;R.sup.3 COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN;R.sup.4 COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN; where the substituents R.sup.3 and R.sup.4 are identical in each case;R.sup.5 andR.sup.6 independently of one another hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.10 -alkenyl, C.sub.3 -C.sub.10 -cycloalkyl, C.sub.3 -C.sub.10 -cycloalkenyl, aryl, hetaryl, unsubstituted or substituted;as photostable UV filters in cosmetic and pharmaceutical preparations to protect the human skin or human hair from the sun's rays, alone or together with UV-absorbing compounds known per se for cosmetic and pharmaceutical preparations.
    • 使用式I的取代的α-甲基苯乙烯衍生物,其中变量具有以下含义:R 1 C 4 -C 10 - 烷氧基,C 1 -C 12 - 烷基氨基,C 1 -C 12 - 二烷基氨基,赋予在水中溶解度并且被选择的取代基 由羧酸盐,磺酸盐或铵残基组成的组; R2氢,C2-C10-烷基,C1-C12-烷氧基; R3 COOR5,COR5,CONR5R6,CN; R4 COOR5,COR5,CONR5R6,CN; 其中取代基R 3和R 4在每种情况下相同; R 5和R 6彼此独立地为氢,C 1 -C 12 - 烷基,C 2 -C 10 - 烯基,C 3 -C 10 - 环烷基,C 3 -C 10 - 环烯基,芳基,杂芳基,未取代或取代的; 作为化妆品和药物制剂中的光稳定紫外线过滤器,用于保护人体皮肤或人体毛发免受太阳光线的照射,或者与本身已知的用于化妆品和药物制剂的紫外线吸收化合物一起使用。