Patent ID: 7204973

Claim:
Light-protective cosmetic or dermatological preparation, comprising: (a) at least one hydroxybenzophenone of the following structural formula: where R 1 and R 2 independent of one another are hydrogen, C 1 –C 20 -alkyl, C 3 –C 10 -cycloalkyl or C 3 –C 10 -cyloalkenyl, wherein the substituents R 1 and R 2 together with the nitrogen atom to which they are bound can form a 5- or 6-ring, and R 3 is a C 1 –C 20 alkyl radical, and (b) at least one dialkyl naphthalate comprising the structural formula where R 1 and R 2 are independently one of branched and unbranched alkyl groups with 6 to 24 carbon atoms.