Inventor
GATSIS JOHN G
US28 patents
⚠️ This page may combine multiple inventors who share the name “GATSIS JOHN G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP INC
26 patentsUS5288681AFeb 22, 1994
Catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks
UOP INC160 citations99
US5474977ADec 12, 1995
Catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks
UOP INC113 citations98
US4954473ASep 4, 1990
Method of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks
UOP INC54 citations96
US4338183AJul 6, 1982
Method of solvent extraction of coal by a heavy oil
UOP INC73 citations96
US4303634ADec 1, 1981
Method of catalyst preparation
UOP INC29 citations92
US4079004AMar 14, 1978
Method for separating undissolved solids from a coal liquefaction product
UOP INC23 citations81
US5171727ADec 15, 1992
Method of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks
UOP INC15 citations74
US4476012AOct 9, 1984
Process for deashing primary coal liquids
UOP INC17 citations74
US4431510AFeb 14, 1984
Process for producing hydrogen-enriched hydrocarbonaceous products from coal
UOP INC10 citations74
US4394248AJul 19, 1983
Coal liquefaction process
UOP INC13 citations74
US4199439AApr 22, 1980
Process for hydrorefining a hydrocarbon utilizing a non-stoichiometric vanadium sulfide catalyst
UOP INC8 citations74
US4082644AApr 4, 1978
Process for the liquefaction of coal and separation of solids from the product stream
UOP INC8 citations73
US4082643AApr 4, 1978
Process for the liquefaction of coal and separation of solids from the product stream
UOP INC8 citations73
US4081358AMar 28, 1978
Process for the liquefaction of coal and separation of solids from the liquid product
UOP INC8 citations73
US4081360AMar 28, 1978
Method for suppressing asphaltene formation during coal liquefaction and separation of solids from the liquid product
UOP INC10 citations73
US4081359AMar 28, 1978
Process for the liquefaction of coal and separation of solids from the liquid product
UOP INC10 citations73
US4079005AMar 14, 1978
Method for separating undissolved solids from a coal liquefaction product
UOP INC6 citations73
US4750990AJun 14, 1988
Membrane separation of hydrocarbons using cycloparaffinic solvents
UOP INC16 citations72
US4943548AJul 24, 1990
Method of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocks
UOP INC3 citations63
US4904369AFeb 27, 1990
Residual oil conversion process
UOP INC2 citations63
US4312747AJan 26, 1982
Process for deashing primary coal liquids
UOP INC5 citations63
US4285803AAug 25, 1981
Catalytic slurry process for black oil conversion
UOP INC5 citations63
US4197191AApr 8, 1980
Process utilizing a non-stoichiometric vanadium sulfide catalyst in hydrocarbon hydrorefining
UOP INC2 citations63
US4194967AMar 25, 1980
Hydrocarbon hydrorefining process utilizing a non-stoichiometric vanadium sulfide catalyst
UOP INC6 citations63
US4326945AApr 27, 1982
Coal liquefaction process
UOP INC5 citations62
US4405447ASep 20, 1983
Method for the removal of metal from a hydrocarbon solution containing metal alkaryl sulfonate
UOP INC1 citations52