Inventor
JOHANSON EDWIN S
7 patents
Patents
7 patentsUS4054504AOct 18, 1977
Catalytic hydrogenation of blended coal and residual oil feeds
HYDROCARBON RESEARCH INC35 citations91
US4323446AApr 6, 1982
Multi-zone coal conversion process using particulate carrier material
HYDROCARBON RESEARCH INC44 citations90
US4111788ASep 5, 1978
Staged hydrogenation of low rank coal
HYDROCARBON RESEARCH INC25 citations81
US4045329AAug 30, 1977
Coal hydrogenation with selective recycle of liquid to reactor
HYDROCARBON RESEARCH INC23 citations81
US4217112AAug 12, 1980
Production of fuel gas by liquid phase hydrogenation of coal
HYDROCARBON RESEARCH INC24 citations80
US4510037AApr 9, 1985
Hydrogenation process for solid carbonaceous feed materials using thermal countercurrent flow reaction zone
HYDROCARBON RESEARCH INC11 citations65
US4404084ASep 13, 1983
Coal hydrogenation and deashing in ebullated bed catalytic reactor
HYDROCARBON RESEARCH INC4 citations61