Patent ID: 8278234

Claim:
A process for the regeneration of a catalyst comprising at least one metal from Group VIII and at least one metal from Group VIB which are deposited on a refractory oxide support, comprising: 1) heat treating the catalyst in the presence of oxygen and at a temperature ranging from 350° C. to 550° C.; and 2) depositing at the surface of the catalyst one or more additive(s) of formula (I): in which: R 1 denotes a hydrogen atom or a saturated or unsaturated, linear or branched hydrocarbon group comprising from 1 to 30 carbon atoms; R 2 denotes a saturated or unsaturated, linear or branched divalent hydrocarbon group comprising from 1 to 30 carbon atoms which can optionally comprise one or more heteroatom(s) chosen from oxygen and nitrogen atoms; R 3 denotes a saturated or unsaturated, linear or branched hydrocarbon group comprising from 1 to 30 carbon atoms.