Inventor
STAUFFER HARRY C
9 patents
Patents
9 patentsUS4022682AMay 10, 1977
Hydrodenitrogenation of shale oil using two catalysts in series reactors
GULF RESEARCH DEVELOPMENT CO25 citations79
US4173528ANov 6, 1979
Multistage residual oil hydrodesulfurization process employing segmented feed addition and product removal
GULF RESEARCH DEVELOPMENT CO13 citations72
US4022683AMay 10, 1977
Hydrodenitrogenation of shale oil using two catalysts in parallel reactors
GULF RESEARCH DEVELOPMENT CO12 citations71
US4179355ADec 18, 1979
Combination residual oil hydrodesulfurization and thermal cracking process
GULF RESEARCH DEVELOPMENT CO18 citations69
US4085036AApr 18, 1978
Process of hydrodesulfurization and separate solvent extraction of distillate and deasphalted residual lubricating oil fractions
GULF RESEARCH DEVELOPMENT CO9 citations68
US3941680AMar 2, 1976
Lube oil hydrotreating process
GULF RESEARCH DEVELOPMENT CO12 citations67
US4179354ADec 18, 1979
Combination residual oil hydrodesulfurization and catalytic cracking process
GULF RESEARCH DEVELOPMENT CO4 citations61
US4170545AOct 9, 1979
Multistage residual oil hydrodesulfurization process with an interstage flashing step
GULF RESEARCH DEVELOPMENT CO3 citations61
US4170546AOct 9, 1979
Multistage residual oil hydrodesulfurization process
GULF RESEARCH DEVELOPMENT CO4 citations61