Inventor

SCHEMEL ROBERTO

VE3 patents

Patents

3 patents

US4678557AJul 7, 1987

Process for the regeneration of spent catalyst used in the upgrading of heavy hydrocarbon feedstocks

INTEVEP SA42 citations89

US4548792AOct 22, 1985

Method for precipitating vanadium from vanadium bearing liquors and recovering vanadium pentoxide

INTEVEP SA12 citations71

US4539186ASep 3, 1985

Method for leaching and recovering vanadium from vanadium bearing by-product materials

INTEVEP SA19 citations71