Inventor · disambiguated record
Sergei Yurchak
Also filed as: YURCHAK SERGEI
27 granted patents·920 citations·filing 1979–2000
97Inventor score
Top patents by PatentIndex Score
27 records- 0197US6642426B1Fluid-bed aromatics alkylation with staged injection of alkylating agentsFiled 1998·Granted Nov 4, 2003·103 cites·17 claims
- 0296US4973790AProcess for upgrading light olefinic streamsMOBIL OIL CORP·Filed 1989·Granted Nov 27, 1990·64 cites·15 claims
- 0396US4404414AConversion of methanol to gasolineMOBIL OIL CORP·Filed 1982·Granted Sep 13, 1983·86 cites·13 claims
- 0495US4814536AConversion of oxygenates to gasoline at variable space velocityMOBIL OIL CORP·Filed 1987·Granted Mar 21, 1989·52 cites·17 claims
- 0593US4950387AUpgrading of cracking gasolineMOBIL OIL CORP·Filed 1988·Granted Aug 21, 1990·49 cites·11 claims
- 0692US4851606AControl of waste water chemical oxygen demand in an oxygenate to hydrocarbon conversion processMOBIL OIL CORP·Filed 1988·Granted Jul 25, 1989·55 cites·13 claims
- 0791US5191150AMethod for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfoneMOBIL OIL CORP·Filed 1992·Granted Mar 2, 1993·36 cites·8 claims
- 0891US4197418AHeat disposed in lower alcohols and derivatives conversion to gasoline hydrocarbons in a crystaline zeolite fluidized bedMOBIL CORP·Filed 1979·Granted Apr 8, 1980·51 cites·9 claims
- 0990US5166455AProcess for the production of tertiary alkytl ethers from FCC light naphthaMOBIL OIL CORP·Filed 1992·Granted Nov 24, 1992·36 cites·20 claims
- 1090US4814535AConversion of oxygenates to gasoline at variable inlet temperatureMOBIL OIL CORP·Filed 1987·Granted Mar 21, 1989·59 cites·16 claims
- 1187US4966680AIntegrated catalytic cracking process with light olefin upgradingMOBIL OIL CORP·Filed 1988·Granted Oct 30, 1990·51 cites·8 claims
- 1285US5345027AAlkylation process using co-current downflow reactor with a continuous hydrocarbon phaseMOBIL OIL·Filed 1992·Granted Sep 6, 1994·27 cites·13 claims
- 1385US5073665AProcess for alkylating olefins and isoparaffins in a fixed bed reactorMOBIL OIL CORP·Filed 1990·Granted Dec 17, 1991·26 cites·21 claims
- 1484US7232936B1Conversion of oxygenate to olefins with staged injection of oxygenateEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Jun 19, 2007·14 cites·16 claims
- 1579US5382746ARemoval of light ASO in HF alkylation processMOBIL OIL CORP·Filed 1993·Granted Jan 17, 1995·17 cites·7 claims
- 1679US4544781AControl of temperature exotherms in the conversion of methanol to gasoline hydrocarbonsMOBIL OIL CORP·Filed 1985·Granted Oct 1, 1985·38 cites·17 claims
- 1779US4523046AMethod for gasoline yield enhancement in the fixed bed methanol-to-gasoline processMOBIL OIL CORP·Filed 1982·Granted Jun 11, 1985·29 cites·10 claims
- 1874US5262579ASeparation of sulfolane from conjunct polymeric byproductsMOBIL OIL CORP·Filed 1992·Granted Nov 16, 1993·13 cites·12 claims
- 1972US5264650ASulfolane purification by hydrocarbon extractionMOBIL OIL CORP·Filed 1992·Granted Nov 23, 1993·12 cites·15 claims
- 2069US5258568ASingle path alkylation method employing reduced acid inventoryMOBIL OIL CORP·Filed 1992·Granted Nov 2, 1993·10 cites·18 claims
- 2168US5264652AMethod for separating conjunct polymeric byproducts from mixture containing hydrofluoric acid and a sulfoneMOBIL OIL CORP·Filed 1992·Granted Nov 23, 1993·10 cites·11 claims
- 2265US5053570AFluid bed paraffin aromatizationMOBIL OIL CORP·Filed 1990·Granted Oct 1, 1991·24 cites·18 claims
- 2365US5009851AIntegrated catalytic reactor system with light olefin upgradingMOBIL OIL CORP·Filed 1989·Granted Apr 23, 1991·21 cites·2 claims
- 2457US5053579AProcess for upgrading unstable naphthasMOBIL OIL CORP·Filed 1989·Granted Oct 1, 1991·16 cites·19 claims
- 2555US5276243ASulfolane purification methodMOBIL OIL CORP·Filed 1992·Granted Jan 4, 1994·5 cites·15 claims
- 2650US5264651AMethod for regenerating HF/sulfolane alkylation catalystMOBIL OIL CORP·Filed 1992·Granted Nov 23, 1993·10 cites·8 claims
- 2744US5138102AReactor quenching for catalytic olefin hydration in ether productionMOBIL OIL CORP·Filed 1991·Granted Aug 11, 1992·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →