| abstract |
The present invention relates to 2-phenylbenzimidazole sulfonic acids of the formula I <IMAGE> in which n: 0, 1 or 2 and; m: 2 or 3, R1, R2, R3, R4 and R5: each independently represent a radical from the group consisting of H, C1-8 alkyl, C1-8 alkoxy, hydroxy, sulfate , Nitro, F, Cl, Br, I residues and; R6 is a C1-8-alkyl or C1-8-alkoxy radical, their use as UV filters, a production process for these compounds, and cosmetic preparations which contain this compound. |