Inventor
LEUNG PAK C
US5 patents
Patents
5 patentsUS7214309B2May 8, 2007
Process for upgrading heavy oil using a highly active slurry catalyst composition
CHEVRON USA INC63 citations97
US6554994B1Apr 29, 2003
Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocks
CHEVRON USA INC191 citations94
US7410928B2Aug 12, 2008
Highly active slurry catalyst composition
CHEVRON USA INC53 citations91
US7238273B2Jul 3, 2007
Process for upgrading heavy oil using a highly active slurry catalyst composition
CHEVRON USA INC45 citations91
US7074740B2Jul 11, 2006
Catalyst for conversion processes
CHEVRON USA INC8 citations71