Inventor
ZERPA CARLOS
VE4 patents
Patents
4 patentsUS4568657AFeb 4, 1986
Catalyst formed of natural clay for use in the hydrodemetallization and hydroconversion of heavy crudes and residues and method of preparation of same
INTEVEP SA57 citations92
US4857494AAug 15, 1989
Mild hydrocracking catalyst for the production of middle distillates
INTEVEP SA38 citations91
US4689314AAug 25, 1987
Method of preparation of mild hydrocracking catalyst for the production of middle distillates
INTEVEP SA46 citations91
US4613427ASep 23, 1986
Process for the demetallization and hydroconversion of heavy crudes and residues using a natural clay catalyst
INTEVEP SA38 citations88