Inventor
ROA PEDRO
VE2 patents
Patents
2 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
US4613427ASep 23, 1986
Process for the demetallization and hydroconversion of heavy crudes and residues using a natural clay catalyst
INTEVEP SA38 citations88