Patent ID: 7435267

Claim:
A compound, wherein the compound is chosen from secondary para-phenylenediamines of formula (I) and the addition salts thereof: wherein: R is chosen from: a linear (linear (C 1 -C 10 )alkoxy)(C 5 -C 10 )alkyl radical; a branched (linear (C 1 -C 10 )alkoxy)(C 3 -C 10 )alkyl radical; a (branched (C 3 -C 10 )alkoxy)(C 2 -C 10 )alkyl radical; and a linear or branched ((C 1 -C 10 )alkoxy)(C 2 -C 10 )alkyl radical substituted with at least one group chosen from hydroxyl, C 1 -C 15 alkoxy, amino, mono(C 1 -C 15 )alkylamino, di(C 1 -C 15 )alkylamino, (C 1 -C 15 )alkylcarbonyl, amido, (C 1 -C 15 )alkoxycarbonyl, mono(C 1 -C 15 )alkylaminocarbonyl and di(C 1 -C 15 )alkylaminocarbonyl groups; R 1 is chosen from a hydrogen atom, a C 1 -C 15 alkyl radical, a C 1 -C 15 alkoxy radical, a ((C 1 -C 15 )alkoxy)C 1 -C 15 alkyl radical, a C 1 -C 15 hydroxyalkoxy radical, a C 1 -C 15 monohydroxyalkyl radical, a C 1 -C 15 polyhydroxyalkyl radical, and a halogen atom; n is an integer ranging from 1 to 4; with the exception of the following compounds: N-(3-isopropoxypropyl)benzene-1,4-diamine; and N-(1-methylpropoxypropyl)benzene-1,4-diamine.