Patent ID: 7026380

Claim:
A stabilizer mixture containing A) either (A1) at least one compound of the formula (I) in which R 1 is hydrogen, C 1 –C 8 alkyl, —O, —OH, C 1 –C 18 alkoxy, C 5 –C 12 cycloalkoxy, —CH 2 CN, C 3 –C 6 alkenyl, C 7 –C 9 phenylalkyl, C 7 –C 9 phenylalkyl which is substituted on the phenyl radical by C 1 –C 4 alkyl; or C 1 –C 8 acyl, R 2 , R 3 , R 5 and R 6 , independently of one another, are hydrogen, C 1 –C 30 alkyl, C 5 –C 12 cycloalkyl or phenyl, R 4 is hydrogen, C 1 –C 30 alkyl, C 5 –C 12 cycloalkyl, C 7 –C 9 phenylalkyl, phenyl or a group of the formula (II), wherein R 7 has one of the meanings given for R 1 , and n 1 is a number from 1 to 50; or (A2) at least one compound of the formulae (IIIa) and (IIIb) wherein n 2 and n 2 * are a number from 2 to 50; B) magnesium oxide, magnesium hydroxide, zinc oxide, zinc hydroxide or an organic salt of zinc or magnesium; and C) either (C1) an UV absorber or (C2) a pigment or (C3) an UV absorber and a pigment; with the proviso that, when component A) is at least one compound of the formulae (IIIa) and (IIIb), component B) is magnesium oxide, magnesium hydroxide or an organic salt of zinc or magnesium.