Inventor
YANIK STEPHEN J
US11 patents
Patents
11 patentsUS4017382AApr 12, 1977
Hydrodesulfurization process with upstaged reactor zones
GULF RESEARCH DEVELOPMENT CO56 citations89
US4111796ASep 5, 1978
Method for presulfiding hydrodesulfurization catalysts
GULF RESEARCH DEVELOPMENT CO27 citations81
US4016070AApr 5, 1977
Multiple stage hydrodesulfurization process with extended downstream catalyst life
GULF RESEARCH DEVELOPMENT CO29 citations80
US4173528ANov 6, 1979
Multistage residual oil hydrodesulfurization process employing segmented feed addition and product removal
GULF RESEARCH DEVELOPMENT CO13 citations72
US4016069AApr 5, 1977
Multiple stage hydrodesulfurization process including partial feed oil by-pass of first stage
GULF RESEARCH DEVELOPMENT CO12 citations72
US4045182AAug 30, 1977
Hydrodesulfurization apparatus with upstaged reactor zones
GULF RESEARCH DEVELOPMENT CO14 citations71
US4179355ADec 18, 1979
Combination residual oil hydrodesulfurization and thermal cracking process
GULF RESEARCH DEVELOPMENT CO18 citations69
US4179354ADec 18, 1979
Combination residual oil hydrodesulfurization and catalytic cracking process
GULF RESEARCH DEVELOPMENT CO4 citations61
US4170546AOct 9, 1979
Multistage residual oil hydrodesulfurization process
GULF RESEARCH DEVELOPMENT CO4 citations61
US4170545AOct 9, 1979
Multistage residual oil hydrodesulfurization process with an interstage flashing step
GULF RESEARCH DEVELOPMENT CO3 citations61
US3997430ADec 14, 1976
Hydrodesulfurization process involving blending high boiling streams
GULF RESEARCH DEVELOPMENT CO5 citations60