Inventor · disambiguated record
John G. Gatsis
Also filed as: GATSIS JOHN G
28 granted patents·649 citations·filing 1974–1994
97Inventor score
Top patents by PatentIndex Score
28 records- 0199US5288681ACatalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocksUOP INC·Filed 1992·Granted Feb 22, 1994·160 cites·15 claims
- 0295US5474977ACatalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocksUOP INC·Filed 1994·Granted Dec 12, 1995·113 cites·15 claims
- 0395US4338183AMethod of solvent extraction of coal by a heavy oilUOP INC·Filed 1980·Granted Jul 6, 1982·73 cites·7 claims
- 0492US3997425AProcess for the liquefaction of coalUNIVERSAL OIL PROD CO·Filed 1974·Granted Dec 14, 1976·27 cites·5 claims
- 0588US4954473AMethod of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocksUOP INC·Filed 1988·Granted Sep 4, 1990·54 cites·16 claims
- 0686US4079004AMethod for separating undissolved solids from a coal liquefaction productUOP INC·Filed 1976·Granted Mar 14, 1978·23 cites·5 claims
- 0779US4303634AMethod of catalyst preparationUOP INC·Filed 1980·Granted Dec 1, 1981·29 cites·3 claims
- 0870US3957622ATwo-stage hydroconversion of hydrocarbonaceous Black OilUNIVERSAL OIL PROD CO·Filed 1974·Granted May 18, 1976·12 cites·4 claims
- 0968US4476012AProcess for deashing primary coal liquidsUOP INC·Filed 1982·Granted Oct 9, 1984·17 cites·6 claims
- 1067US4081359AProcess for the liquefaction of coal and separation of solids from the liquid productUOP INC·Filed 1976·Granted Mar 28, 1978·10 cites·5 claims
- 1161US4394248ACoal liquefaction processUOP INC·Filed 1981·Granted Jul 19, 1983·13 cites·21 claims
- 1261US4082644AProcess for the liquefaction of coal and separation of solids from the product streamUOP INC·Filed 1976·Granted Apr 4, 1978·8 cites·6 claims
- 1361US4082643AProcess for the liquefaction of coal and separation of solids from the product streamUOP INC·Filed 1976·Granted Apr 4, 1978·8 cites·5 claims
- 1459US5171727AMethod of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocksUOP INC·Filed 1991·Granted Dec 15, 1992·15 cites·15 claims
- 1558US4081360AMethod for suppressing asphaltene formation during coal liquefaction and separation of solids from the liquid productUOP INC·Filed 1976·Granted Mar 28, 1978·10 cites·4 claims
- 1656US4750990AMembrane separation of hydrocarbons using cycloparaffinic solventsUOP INC·Filed 1986·Granted Jun 14, 1988·16 cites·17 claims
- 1756US4079005AMethod for separating undissolved solids from a coal liquefaction productUOP INC·Filed 1976·Granted Mar 14, 1978·6 cites·5 claims
- 1853US4431510AProcess for producing hydrogen-enriched hydrocarbonaceous products from coalUOP INC·Filed 1982·Granted Feb 14, 1984·10 cites·26 claims
- 1953US4081358AProcess for the liquefaction of coal and separation of solids from the liquid productUOP INC·Filed 1976·Granted Mar 28, 1978·8 cites·5 claims
- 2050US4199439AProcess for hydrorefining a hydrocarbon utilizing a non-stoichiometric vanadium sulfide catalystUOP INC·Filed 1979·Granted Apr 22, 1980·8 cites·6 claims
- 2146US4194967AHydrocarbon hydrorefining process utilizing a non-stoichiometric vanadium sulfide catalystUOP INC·Filed 1979·Granted Mar 25, 1980·6 cites·4 claims
- 2241US4326945ACoal liquefaction processUOP INC·Filed 1980·Granted Apr 27, 1982·5 cites·16 claims
- 2340US4312747AProcess for deashing primary coal liquidsUOP INC·Filed 1980·Granted Jan 26, 1982·5 cites·6 claims
- 2439US4285803ACatalytic slurry process for black oil conversionUOP INC·Filed 1980·Granted Aug 25, 1981·5 cites·14 claims
- 2534US4943548AMethod of preparing a catalyst for the hydroconversion of asphaltene-containing hydrocarbonaceous charge stocksUOP INC·Filed 1988·Granted Jul 24, 1990·3 cites·16 claims
- 2634US4197191AProcess utilizing a non-stoichiometric vanadium sulfide catalyst in hydrocarbon hydrorefiningUOP INC·Filed 1979·Granted Apr 8, 1980·2 cites·7 claims
- 2732US4904369AResidual oil conversion processUOP INC·Filed 1988·Granted Feb 27, 1990·2 cites·22 claims
- 2831US4405447AMethod for the removal of metal from a hydrocarbon solution containing metal alkaryl sulfonateUOP INC·Filed 1982·Granted Sep 20, 1983·1 cites·8 claims
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