Patent ID: 6210657
Filing Date: 2001-04-03
Classification: A61K,C08K,C09D,C09K,Y10S

Abstract:
A cosmetic or pharmaceutical preparation for protecting human skin or human hair from solar radiation or artificial light which has a high UV content, comprising at least one isoindolinone compound of the formula I, ##STR8##in which the variables independently of one another have the following meanings:R.sup.1 and R.sup.2 are COOR.sup.4, COR.sup.4, CONR.sup.4 R.sup.5 or CN;R.sup.3 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.20 -alkoxycarbonyl, C.sub.1 -C.sub.12 -alkylamino, C.sub.1 -C.sub.12 -dialkylamino, aryl or heteroaryl, substituted or unsubstituted, substituents which confer solubility in water, selected from the group consisting of carboxylate, sulfonate and alkylammonium radicals;R.sup.4 and R.sup.5 are hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl or phenyl, as photostable UV filter.