Abstract: A process for the preparation of a novel antiozonant and antioxidant, based on functionalized benzotriazole UV absorbers, and the process for the preparation thereof having a general Formula I: wherein R1 and R2 are C1 to C8 linear or branched alkyl; R3 is hydrogen, tert-butyl; X1 is select the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy.

Abstract: Diol-functionalized antioxidants and the process for the preparation thereof are disclosed and have the general formula (I): wherein: R1 is tert-butyl and R2 is C1 to C8 linear or branched alkyl. The invention also pertains to a process for their preparation. Which comprises: Reacting a halo functionalized antioxidant having the general formula (II): wherein: R1 is tert-butyl and X is bromide (Br) with a diol having general formula (IV): wherein R2 is C1 to C8 linear or branched alkyl.

Abstract: Diol-functionalized antioxidants and the process for the preparation thereof are disclosed and have the general formula (I): 1

Abstract: The present invention relates to a novel antiozonant as well as antioxidant based on functionalized hindered phenol and the process for the preparation thereof of formula 1 wherein R1 is tert-butyl and R2 and R3 are C1 to C8 linear or branched alkyl. The present invention also relates to a process for the preparation thereof comprising dissolving a compound of formula 3 wherein R1 is tert-butyl, with liquid bromine in a non polar organic solvent at temperature range 80 to 95° C. for a period of 4 to 7 hours, evaporating the solvent under reduced pressure to obtain a compound of formula 2 wherein R1 is a tertiary butyl group and X is Br, reacting the compound of formula 2 with a compound of formula 4 wherein R2 and R3 are C1 to C8 linear or branched alkyl, dissolved in an organic solvent in presence of a suitable mild base at a temperature ranging from 80 to 95° C.

Abstract: Vinylic hindered amine light stabilizers as novel polylmerizable light stabilizers are disclosed and have the general formula (I): wherein: R1 is C1 to C8: alkyl, alkoxy, alkyl phenyl, hydroxy alkyl (all linear and branched), allyl, acyl, cycloalkyl (cyclopentyl, cyclohexyl or curnyl: linear and branched); R2 is hydrogen and methyl, R3 is vinyl, C1-C4 vinyl alkyl [H2C═C(R4)C1-C4], R4 is H, C1-C4 alky and alkyl phenyl and R5 is H, C1-C4 alkyl, X is O, NH, C1-C8 alkyloxy and alkylamino: (linear or branched).

Abstract: Novel hindered amine light stabilizers of the formula wherein R1 is C1 to C8 alkyl, alkoxy, alkylphenyl, hydroxy alkyl, allyl, acyl, or cycloalkyl; R2 is hydrogen or methyl; R3 is vinyl or C1-4 alkyl vinyl; R4 is hydrogen, C1-4 alkyl or alkyl phenyl; R5 is hydrogen or C1-4 alkyl; and X is O, NH, C1-8 linear or branched chain or alkylamino, are prepared from the corresponding 1-unsubstituted, 4-XH-substituted piperidines by first reaction with a carbonyl compound and subsequent reaction with a vinyl group-containing acyl chloride.

Abstract: Vinylic hindered amine light stabilizers as novel polylmerizable light stabilizers are disclosed and have the general formula (I): 1

Abstract: The invention relates to a process for the preparation of novel Hindered Amine Light Stabilizers having general formula (I): 1