Patent ID: 7081213

Claim:
A mixture of compounds comprising one or more compounds of the general formula wherein the groups R independently stand for an alkyl-, cycloalkyl-, or aralkyl- whereas the aromatic ring system may be optionally substituted by one or more groups R′ which may be identical or different and which groups R′ can be an aryl-, a saturated or unsaturated alkyl-, aralkyl- or cycloalkyl-group as well as halogen, an amino-, aminoalkyl-, aminocycloalkyl-, cyano-, thiocyano- or nitrogroup; a UV-absorber of the formula 2 wherein R 1 and R 2 are each independently, hydrogen or identical or different substituents selected from the group consisting of linear end branched alkyl- or alkoxy-groups having from 2 to 12 carbon atoms and from 1 to 4 oxygen atoms, and at least one compound selected from the group consisting of a hindered amine stabilizer, sterically hindered phenol, organophosphine, organophosphite, organophosphonite, and mixtures thereof.