Inventor
COOMBS DANIEL M
US17 patents
⚠️ This page may combine multiple inventors who share the name “COOMBS DANIEL M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHILLIPS PETROLEUM CO
16 patentsUS4885080ADec 5, 1989
Process for demetallizing and desulfurizing heavy crude oil
PHILLIPS PETROLEUM CO300 citations99
US4670134AJun 2, 1987
Catalytic hydrofining of oil
PHILLIPS PETROLEUM CO51 citations96
US4560468ADec 24, 1985
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO40 citations92
US4557823ADec 10, 1985
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO47 citations92
US4548711AOct 22, 1985
Solvent extraction
PHILLIPS PETROLEUM CO33 citations92
US4518484AMay 21, 1985
Metals removal with a light hydrocarbon and an organophosphorous compound
PHILLIPS PETROLEUM CO31 citations92
US4482453ANov 13, 1984
Supercritical extraction process
PHILLIPS PETROLEUM CO77 citations91
US4298456ANov 3, 1981
Oil purification by deasphalting and magneto-filtration
PHILLIPS PETROLEUM CO24 citations80
US4671866AJun 9, 1987
Hydrodemetallization of oils
PHILLIPS PETROLEUM CO8 citations74
US4612110ASep 16, 1986
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO11 citations74
US4582594AApr 15, 1986
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO8 citations74
US4761222AAug 2, 1988
Method for separating normally liquid organic compounds
PHILLIPS PETROLEUM CO15 citations73
US4600504AJul 15, 1986
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO10 citations73
US4578180AMar 25, 1986
Hydrofining process for hydrocarbon containing feed streams
PHILLIPS PETROLEUM CO11 citations73
US4705768ANov 10, 1987
Coprecipitate of metal phosphates
PHILLIPS PETROLEUM CO2 citations63
US4680105AJul 14, 1987
Hydrodemetallization of oils with catalysts comprising nickel phosphate and titanium phosphate
PHILLIPS PETROLEUM CO4 citations63