Inventor · disambiguated record
John A. Sofranko
Also filed as: SOFRANKO JOHN A
78 granted patents·4 pending applications·1,889 citations·filing 1982–2023
99Inventor score
Files withATLANTIC RICHFIELD CO45ARCO CHEM TECH13BIO2ELECTRIC LLC10ECOCATALYTIC INC10SOFRANKO JOHN A3
Top patents by PatentIndex Score
82 records- 0199US5171921AProduction of olefinsARCO CHEM TECH·Filed 1991·Granted Dec 15, 1992·173 cites·5 claims
- 0299US5026935AEnhanced production of ethylene from higher hydrocarbonsARCO CHEM TECH·Filed 1989·Granted Jun 25, 1991·156 cites·2 claims
- 0399US5026936AEnhanced production of propylene from higher hydrocarbonsARCO CHEM TECH·Filed 1989·Granted Jun 25, 1991·163 cites·1 claims
- 0499US4523049AMethane conversion processATLANTIC RICHFIELD CO·Filed 1984·Granted Jun 11, 1985·96 cites·45 claims
- 0598US10919027B1Stabilized oxyborates and their use for oxidative conversion of hydrocarbonsBIO2ELECTRIC LLC·Filed 2020·Granted Feb 16, 2021·4 cites·27 claims
- 0698US4777313ABoron-promoted reducible metal oxides and methods of their useATLANTIC RICHFIELD CO·Filed 1986·Granted Oct 11, 1988·90 cites·41 claims
- 0797US11104625B1Oxidative conversion of hydrocarbons using sulfur oxides as oxygen carriersBIO2ELECTRIC LLC·Filed 2020·Granted Aug 31, 2021·3 cites·11 claims
- 0897US4629718AAlkali promoted manganese oxide compositions containing silica and/or alkaline earth oxidesATLANTIC RICHFIELD CO·Filed 1984·Granted Dec 16, 1986·89 cites·36 claims
- 0997US4554395AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Nov 19, 1985·69 cites·38 claims
- 1097US4443649AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·57 cites·23 claims
- 1196US4567307ATwo-step methane conversion processATLANTIC RICHFIELD CO·Filed 1984·Granted Jan 28, 1986·58 cites·15 claims
- 1296US4443648AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·52 cites·22 claims
- 1396US4443645AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·53 cites·22 claims
- 1495US11192092B1Stabilized oxyborates and their use for oxidative conversion of hydrocarbonsBIO2ELECTRIC LLC·Filed 2020·Granted Dec 7, 2021·2 cites·14 claims
- 1595US11046892B1Oxidative cracking of hydrocarbonsBIO2ELECTRIC LLC·Filed 2020·Granted Jun 29, 2021·6 cites·18 claims
- 1695US10138182B2Oxygen transfer agents for the oxidative dehydrogenation of hydrocarbons and systems and processes using the sameBIO2ELECTRIC LLC·Filed 2015·Granted Nov 27, 2018·17 cites·16 claims
- 1795US4634800AMethane conversion processATLANTIC RICHFIELD CO·Filed 1985·Granted Jan 6, 1987·53 cites·23 claims
- 1894US4499322AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Feb 12, 1985·40 cites·26 claims
- 1994US4444984AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 24, 1984·39 cites·22 claims
- 2093US11648328B2Disinfecting deviceECOCATALYTIC INC·Filed 2021·Granted May 16, 2023·2 cites·29 claims
- 2193US4443647AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·34 cites·22 claims
- 2292US4670619AMethane conversion processATLANTIC RICHFIELD CO·Filed 1985·Granted Jun 2, 1987·28 cites·18 claims
- 2391US4523050AMethane conversion processATLANTIC RICHFIELD CO·Filed 1984·Granted Jun 11, 1985·26 cites·15 claims
- 2491US4443644AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·27 cites·22 claims
- 2590US4544785AMethane conversionATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 1, 1985·26 cites·19 claims
- 2690US4443646AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Apr 17, 1984·26 cites·22 claims
- 2788US10968149B2Enhanced oxygen transfer agent systems for oxidative dehydrogenation of hydrocarbonsECOCATALYTIC INC·Filed 2017·Granted Apr 6, 2021·3 cites·23 claims
- 2888US4912081ABoron-promoted reducible metal oxidesATLANTIC RICHFIELD CO·Filed 1989·Granted Mar 27, 1990·23 cites·11 claims
- 2988US4769508AAlkali promoted manganese oxide compositions containing titaniumATLANTIC RICHFIELD CO·Filed 1986·Granted Sep 6, 1988·24 cites·3 claims
- 3087US4547611AMethane conversionATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 15, 1985·21 cites·25 claims
- 3187US4547607AMethane conversion processATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 15, 1985·21 cites·8 claims
- 3287US4544784AMethane conversionATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 1, 1985·21 cites·11 claims
- 3387US4447638APreparation of dialkyl oxalates by the oxidative carbonylation of alcohols with a heterogeneous Pd-V-P-Ti containing catalyst systemATLANTIC RICHFIELD CO·Filed 1982·Granted May 8, 1984·22 cites·13 claims
- 3486US10322392B2Systems for promoting endothermic conversions with oxygen transfer agentsBIO2ELECTRIC LLC·Filed 2016·Granted Jun 18, 2019·2 cites·12 claims
- 3585US4654459AAlkali promoted manganese oxide compositions containing barium carbonateATLANTIC RICHFIELD CO·Filed 1986·Granted Mar 31, 1987·19 cites·4 claims
- 3683US5198590AHydrocarbon conversionARCO CHEM TECH·Filed 1992·Granted Mar 30, 1993·41 cites·4 claims
- 3783US4737595AHydrocarbon dehydrogenationATLANTIC RICHFIELD CO·Filed 1984·Granted Apr 12, 1988·16 cites·26 claims
- 3882US12187677B2Process for the removal of carbon monoxide from non-catalytic oxidative dehydrogenation product streamsECOCATALYTIC INC·Filed 2023·Granted Jan 7, 2025·0 cites·14 claims
- 3981US11046625B1Reactor for oxidative conversion of hydrocarbon feedsBIO2ELECTRIC LLC·Filed 2020·Granted Jun 29, 2021·1 cites·40 claims
- 4081US4560821AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Dec 24, 1985·15 cites·43 claims
- 4181US4547610AMethane conversionATLANTIC RICHFIELD CO·Filed 1984·Granted Oct 15, 1985·14 cites·9 claims
- 4279US5146034AConversion of paraffins to olefinsARCO CHEM TECH·Filed 1991·Granted Sep 8, 1992·16 cites·5 claims
- 4379US4861936ABoron-promoted reducible metal oxides and methods of their useATLANTIC RICHFIELD CO·Filed 1988·Granted Aug 29, 1989·14 cites·37 claims
- 4478US11767276B2Process for the removal of carbon monoxide from non-catalytic oxidative dehydrogenation product streamsECOCATALYTIC INC·Filed 2022·Granted Sep 26, 2023·0 cites·24 claims
- 4578US5192809AProcess for reclaiming a thermoset polymerARCO CHEM TECH·Filed 1992·Granted Mar 9, 1993·33 cites·33 claims
- 4677US4495374AMethane conversionATLANTIC RICHFIELD CO·Filed 1983·Granted Jan 22, 1985·31 cites·26 claims
- 4776US11390573B1Oxidative conversion of hydrocarbons using sulfur oxides as oxygen carriersBIO2ELECTRIC LLC·Filed 2021·Granted Jul 19, 2022·0 cites·15 claims
- 4876US11123714B1Stabilized oxyborates and their use for oxidative conversion of hydrocarbonsBIO2ELECTRIC LLC·Filed 2020·Granted Sep 21, 2021·0 cites·15 claims
- 4976US4795849AMethane conversion processATLANTIC RICHFIELD CO·Filed 1988·Granted Jan 3, 1989·15 cites·11 claims
- 5075US4454342APreparation of dialkyl oxalates using a heterogeneous Pd-V-P catalyst for the oxidative carbonylation of alcoholsATLANTIC RICHFIELD CO·Filed 1982·Granted Jun 12, 1984·11 cites·15 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →