Inventor
HOWELL JERALD A
US12 patents
Patents
12 patentsUS5055174AOct 8, 1991
Hydrovisbreaking process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO63 citations96
US4659453AApr 21, 1987
Hydrovisbreaking of oils
PHILLIPS PETROLEUM CO54 citations96
US4592830AJun 3, 1986
Hydrovisbreaking process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO110 citations96
US4802972AFeb 7, 1989
Hydrofining of oils
PHILLIPS PETROLEUM CO43 citations92
US4608152AAug 26, 1986
Hydrovisbreaking process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO40 citations92
US5080777AJan 14, 1992
Refining of heavy slurry oil fractions
PHILLIPS PETROLEUM CO34 citations89
US4708784ANov 24, 1987
Hydrovisbreaking of oils
PHILLIPS PETROLEUM CO9 citations73
US4659452AApr 21, 1987
Multi-stage hydrofining process
PHILLIPS PETROLEUM CO14 citations73
US4600504AJul 15, 1986
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO10 citations73
US4431523AFeb 14, 1984
Upgrading fuel fractions in a re-refined oil process
PHILLIPS PETROLEUM CO16 citations73
US4420389ADec 13, 1983
De-ashing lubricating oils
PHILLIPS PETROLEUM CO8 citations71
US4705766ANov 10, 1987
Mixture of a molybdenum carboxylate and a molybdenum dithiophosphate or a molybdenum dithiocarbamate for use in a hydrovisbreaking process
PHILLIPS PETROLEUM CO3 citations62