Polyalkylpiperidine-substituted tetrahydropyridones and use thereof

Abstract From the Canadian patent

O.Z. 0050/40450, Abstract of the Disclosure: Tetrahydropyridones which in one of their tautomeric forms conform to the general formula (I), (I), where, R1 and R2 are each independently of the other C1-C12-alkyl which may be oxygen-interrupted, C5-C6-cycloalkyl or C7-C12-phenylalkyl where the phenyl is unsubstituted or monosubstituted, disubstituted or trisubstituted by C1-C4-alkyl, C1-C4-alkoxy, fluorine chlorine or, bromine, or, R1 is a from 5- to 12-membered cycloaliphatic ring R2 which may be monosubstituted, disubstituted trisub-, stituted or tetrasubstituted by C1-C4-alkyl and, R3 is hydrogen, substituted or unsubstituted alkyl or phenyl alkyl or alkanoyl, are effective stabilizers for …