Inventor
CHERVENAK MICHAEL C
US15 patents
⚠️ This page may combine multiple inventors who share the name “CHERVENAK MICHAEL C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYDROCARBON RESEARCH INC
14 patentsUS4521295AJun 4, 1985
Sustained high hydroconversion of petroleum residua feedstocks
HYDROCARBON RESEARCH INC78 citations95
US4576710AMar 18, 1986
Catalyst desulfurization of petroleum residua feedstocks
HYDROCARBON RESEARCH INC31 citations92
US4427535AJan 24, 1984
Selective operating conditions for high conversion of special petroleum feedstocks
HYDROCARBON RESEARCH INC119 citations92
US4221653ASep 9, 1980
Catalytic hydrogenation process and apparatus with improved vapor liquid separation
HYDROCARBON RESEARCH INC45 citations92
US4452911AJun 5, 1984
Frangible catalyst pretreatment method for use in hydrocarbon hydrodemetallization process
HYDROCARBON RESEARCH INC112 citations91
US4054504AOct 18, 1977
Catalytic hydrogenation of blended coal and residual oil feeds
HYDROCARBON RESEARCH INC35 citations91
US3964995AJun 22, 1976
Hydrodesulfurization process
HYDROCARBON RESEARCH INC40 citations91
US4323446AApr 6, 1982
Multi-zone coal conversion process using particulate carrier material
HYDROCARBON RESEARCH INC44 citations90
US4128109ADec 5, 1978
Pressure let-down valve assembly for handling abrasive liquids
HYDROCARBON RESEARCH INC22 citations81
US4111788ASep 5, 1978
Staged hydrogenation of low rank coal
HYDROCARBON RESEARCH INC25 citations81
US4400263AAug 23, 1983
H-Coal process and plant design
HYDROCARBON RESEARCH INC27 citations78
US3976557AAug 24, 1976
Pretreatment of coal-derived liquid to improve magnetic separation of solids
HYDROCARBON RESEARCH INC8 citations74
US4217201AAug 12, 1980
Integrated coal cleaning, liquefaction, and gasification process
HYDROCARBON RESEARCH INC12 citations73
US4191629AMar 4, 1980
Reactor residuum concentration control in hydroconversion of coal
HYDROCARBON RESEARCH INC4 citations62