Inventor · disambiguated record
Stephen Zushma
Also filed as: ZUSHMA STEPHEN
66 granted patents·7 pending applications·604 citations·filing 1993–2021
99Inventor score
Files withEXXONMOBIL RES & ENG CO20EXXON CHEMICAL PATENTS INC11EXXONMOBIL CHEMICAL PATENTS INC11DAKKA JIHAD M7WANG KUN4
Top patents by PatentIndex Score
73 records- 0197US6501000B1Late transition metal catalyst complexes and oligomers therefromEXXONMOBIL RES & ENG CO·Filed 2000·Granted Dec 31, 2002·61 cites·20 claims
- 0296US9085669B2Alkyl aromatic hydroalkylation for the production of plasticizersEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Jul 21, 2015·14 cites·37 claims
- 0396US5627259AAmidation of ester functionalized hydrocarbon polymersEXXON CHEMICAL PATENTS INC·Filed 1995·Granted May 6, 1997·126 cites·20 claims
- 0494US8829093B2Alkyl aromatic hydroalkylation for the production of plastisizersDAKKA JIHAD·Filed 2013·Granted Sep 9, 2014·23 cites·40 claims
- 0594US6777514B2Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making sameEXXONMOBIL RES & ENG CO·Filed 2002·Granted Aug 17, 2004·39 cites·7 claims
- 0692US6777584B2Selective coupling of terminal olefins with ethylene to manufacture linear α-olefinsEXXONMOBIL RES & ENG CO·Filed 2002·Granted Aug 17, 2004·25 cites·24 claims
- 0790US9321898B2Alkyl aromatic hydroalkylation for the production of plasticizersEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Apr 26, 2016·3 cites·17 claims
- 0889US9534104B2Plasticizer blends and use thereofEXXONMOBIL CHEMICAL PATENTS INC·Filed 2014·Granted Jan 3, 2017·5 cites·38 claims
- 0989US5854186ALubricating oil dispersants derived from heavy polyamineEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Dec 29, 1998·37 cites·10 claims
- 1088US5756431ADispersants derived from heavy polyamine and second amineEXXON CHEMICAL PATENTS INC·Filed 1995·Granted May 26, 1998·35 cites·14 claims
- 1187US8461397B2Oxidation of hydrocarbonsLATTNER JAMES R·Filed 2009·Granted Jun 11, 2013·7 cites·18 claims
- 1286US10662388B2Ester compounds, lubricating oil compositions containing same and processes for making sameEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted May 26, 2020·1 cites·26 claims
- 1385US9815767B2Alkyl aromatic hydroalkylation for the production of plasticizersEXXONMOBIL CHEMICAL PATENTS INC·Filed 2016·Granted Nov 14, 2017·4 cites·7 claims
- 1485US9556103B2Biphenyl esters, their production and their use in the manufacture of plasticizersEXXONMOBIL CHEMICAL PATENTS INC·Filed 2015·Granted Jan 31, 2017·2 cites·22 claims
- 1584US10035762B2Synthesis of succinimides and quaternary ammonium ions for use in making molecular sievesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2013·Granted Jul 31, 2018·3 cites·31 claims
- 1683US10081593B2Alkyl aromatic hydroalkylation for the production of plasticizersEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Granted Sep 25, 2018·1 cites·5 claims
- 1782US8604114B2Aromatic acylation with cyclic anhydride for plasticizer productionDAKKA JIHAD MOHAMMED·Filed 2010·Granted Dec 10, 2013·2 cites·13 claims
- 1882US6689928B2Transition metal complexes and oligomers therefromEXXONMOBIL RES & ENG CO·Filed 2001·Granted Feb 10, 2004·12 cites·20 claims
- 1981US8115034B2Polyketone plasticizersGODWIN ALLEN D·Filed 2008·Granted Feb 14, 2012·4 cites·9 claims
- 2081US5777041ASaturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereofEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Jul 7, 1998·30 cites·5 claims
- 2177US8445730B2Process for producing phenolDAKKA JIHAD M·Filed 2009·Granted May 21, 2013·2 cites·18 claims
- 2276US8791306B2Oxidation of alkylaromatic compoundsEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Jul 29, 2014·1 cites·16 claims
- 2375US8487138B2Oxidation of hydrocarbonsDAKKA JIHAD M·Filed 2008·Granted Jul 16, 2013·2 cites·24 claims
- 2474US6809058B2Multi-dentate late transition metal catalyst complexes and polymerization methods using those complexesEXXONMOBIL RES & ENG CO·Filed 2001·Granted Oct 26, 2004·11 cites·1 claims
- 2573US5880219APolymers having terminal hydroxyl, aldehyde, or alkylamino substituents and derivatives thereofEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Mar 9, 1999·22 cites·8 claims
- 2673US5691422ASaturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereofEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Nov 25, 1997·22 cites·2 claims
- 2772US8921610B2Oxidation of alkylbenzenesDAKKA JIHAD M·Filed 2011·Granted Dec 30, 2014·1 cites·23 claims
- 2872US8461398B2Oxidation of alkylaromatic compoundsDAKKA JIHAD M·Filed 2009·Granted Jun 11, 2013·2 cites·15 claims
- 2971US8859821B2Polyketone plasticizersGODWIN ALLEN D·Filed 2012·Granted Oct 14, 2014·1 cites·9 claims
- 3070US7759524B2Process for producing phenol and methyl ethyl ketoneEXXONMOBIL RES & ENG CO·Filed 2008·Granted Jul 20, 2010·1 cites·16 claims
- 3170US6730757B2Sulfur-containing and sulfur-nitrogen-containing catalysts for polymerization of olefins and polar monomersEXXONMOBIL RES & ENG CO·Filed 2002·Granted May 4, 2004·9 cites·37 claims
- 3268US6743960B2Method for oligomerizing olefins to form higher olefins using sulfur-containing and sulfur-tolerant catalystsEXXONMOBIL RES & ENG CO·Filed 2001·Granted Jun 1, 2004·4 cites·14 claims
- 3368US5608029AMannich base polymersEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Mar 4, 1997·17 cites·15 claims
- 3468US2021198173A1Oxidation of methyl-substituted biphenyl compoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2021·Application pending·0 cites
- 3567US9512296B2Aromatic acylation with cyclic anhydride for plasticizer productionEXXONMOBIL RES & ENG CO·Filed 2013·Granted Dec 6, 2016·0 cites·4 claims
- 3667US7429684B2Process for oligomerization of ethylene to linear α-olefinsEXXONMOBIL RES & ENG CO·Filed 2005·Granted Sep 30, 2008·1 cites·7 claims
- 3767US6881806B2Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making sameEXXONMOBIL RES & ENG CO·Filed 2004·Granted Apr 19, 2005·5 cites·12 claims
- 3866US10364220B2Synthesis of succinimides and quaternary ammonium ions for use in making molecular sievesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted Jul 30, 2019·0 cites·9 claims
- 3964US10322991B2Selective aerobic oxidation of dimethylbiphenylsEXXONMOBIL RES & ENG CO·Filed 2017·Granted Jun 18, 2019·0 cites·34 claims
- 4064US9580571B2Aromatic acylation with cyclic anhydride for plasticizer productionEXXONMOBIL RES & ENG CO·Filed 2013·Granted Feb 28, 2017·0 cites·5 claims
- 4164US8426529B2Ethylene/dicyclopentadiene copolymers and functionalized derivatives thereofBAUGH LISA SAUNDERS·Filed 2007·Granted Apr 23, 2013·1 cites·35 claims
- 4264US5585516ATwo tail-two head and two tail-one head surfactantsEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Dec 17, 1996·8 cites·9 claims
- 4364US5493050ADiphenyl dialkyl methane surfactantsEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Feb 20, 1996·8 cites·9 claims
- 4462US10287230B2Selective aerobic oxidation of dimethylbiphenylsEXXONMOBIL RES & ENG CO·Filed 2017·Granted May 14, 2019·0 cites·40 claims
- 4562US9422227B2Substituted naphthalenes as feedstock for plasticizer productionEXXONMOBIL RES & ENG CO·Filed 2012·Granted Aug 23, 2016·0 cites·6 claims
- 4662US5919869APolymers having terminal hydroxyl, aldehyde, or alkylamino substituents and derivatives thereofEXXON CHEMICAL PATENTS INC·Filed 1998·Granted Jul 6, 1999·13 cites·8 claims
- 4761US6864319B2Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making sameFiled 2004·Granted Mar 8, 2005·3 cites·2 claims
- 4858US2020325096A1Oxidation of Methyl-substituted Biphenyl CompoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2017·Application pending·0 cites
- 4957US8604110B2Alkyl aromatic plasticizers and methods of makingDAKKA JIHAD MOHAMMED·Filed 2011·Granted Dec 10, 2013·0 cites·5 claims
- 5055US10233403B2High viscosity index monomethyl ester lubricating oil base stocks and methods of making and use thereofEXXONMOBIL RES & ENG CO·Filed 2016·Granted Mar 19, 2019·0 cites·38 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →