| abstract |
A composition comprising an organic material selected from the group consisting of poly-mers devoid of silicon atoms, naturally occuring and synthetic mineral oils, animal and vegetable fats, oils and waxes and synthetic ester-based oils, fats and waxes subject to oxi-dative, thermal and/or actinic degradation and as stabilizer at least a compound of for-mula (I) (I) wherein n is the number 0, 1, 2 or 3 and R, R1 and R2 are independently hydrogen, alkyl of 1 to 36 carbon atoms, cycloalkyl of 5 to 12 carbon atoms, aralkyl of 7 to 9 carbon atoms or said aralkyl substituted by alkyl of 1 to 36 carbon atoms. |