Inventor · disambiguated record
Istvan Lengyel
Also filed as: LENGYEL ISTVAN
13 granted patents·9 pending applications·18 citations·filing 2008–2021
85Inventor score
Files withSABIC GLOBAL TECHNOLOGIES BV14DOW GLOBAL TECHNOLOGIES LLC3CHAUDHARY SUNIL K1DOW GLOBAL TECHNOLOGIES INC1LIANG WUGENG1
Top patents by PatentIndex Score
22 records- 0192US11123705B1Method and reactor for conversion of hydrocarbonsSABIC GLOBAL TECHNOLOGIES BV·Filed 2019·Granted Sep 21, 2021·9 cites·20 claims
- 0287US11091410B2Mixed oxide catalyst for the oxidative coupling of methaneSABIC GLOBAL TECHNOLOGIES BV·Filed 2018·Granted Aug 17, 2021·3 cites·19 claims
- 0382US10717068B2Methane oxidative coupling with La—Ce catalystsSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Granted Jul 21, 2020·2 cites·20 claims
- 0466US8343328B2Brine purificationDOW GLOBAL TECHNOLOGIES LLC·Filed 2008·Granted Jan 1, 2013·4 cites·21 claims
- 0560US12415175B2Supported catalyst for butane hydrogenolyis, method of producing the supported catalyst and method to produce ethaneSABIC GLOBAL TECHNOLOGIES BV·Filed 2021·Granted Sep 16, 2025·0 cites·20 claims
- 0657US10751706B2Butadiene telomerization catalyst precursor preparationDOW GLOBAL TECHNOLOGIES LLC·Filed 2020·Granted Aug 25, 2020·0 cites·11 claims
- 0754US10569262B2Butadiene telomerization catalyst precursor preparationDOW GLOBAL TECHNOLOGIES LLC·Filed 2014·Granted Feb 25, 2020·0 cites·9 claims
- 0852US11254628B1Methods of butane hydrogenolysis under hydrogen-lean conditionsSABIC GLOBAL TECHNOLOGIES BV·Filed 2020·Granted Feb 22, 2022·0 cites·15 claims
- 0950US2011112332A1Process for increasing the coalescence rate for amine-initiated polyethersDOW GLOBAL TECHNOLOGIES INC·Filed 2009·Application pending·0 cites
- 1044US2010193443A1Total organic carbon (toc) reduction in brine via chlorinolysisCHAUDHARY SUNIL K·Filed 2008·Application pending·0 cites
- 1143US10625244B2Silver promoted catalysts for oxidative coupling of methaneSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Granted Apr 21, 2020·0 cites·21 claims
- 1243US8293949B2Process for producing low color glycolsSTEFANOV ZDRAVKO I·Filed 2009·Granted Oct 23, 2012·0 cites·12 claims
- 1340US2019233350A1Process for conversion of hydrocarbon feed to c2 unsaturated hydrocarbons and syngas composition used for multiple applicationsSABIC GLOBAL TECHNOLOGIES BV·Filed 2017·Application pending·0 cites
- 1439US10696607B2Low inlet temperature for oxidative coupling of methaneSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Granted Jun 30, 2020·0 cites·18 claims
- 1539US2019169090A1Oxidative Coupling of Methane Process with Enhanced Selectivity to C2+ Hydrocarbons by Addition of H2O in the FeedSABIC GLOBAL TECHNOLOGIES BV·Filed 2017·Application pending·0 cites
- 1637US2017057889A1Method for Producing Hydrocarbons by Oxidative Coupling of Methane with a Heavy DiluentSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Application pending·0 cites
- 1737US2016376148A1Method for Producing Hydrocarbons by Oxidative Coupling of Methane without CatalystSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Application pending·0 cites
- 1837US2018311658A1Catalysts Prepared from Nanostructures of MnO2 and WO3 for Oxidative Coupling of MethaneLIANG WUGENG·Filed 2016·Application pending·0 cites
- 1936US2016376208A1Method of Producing Higher Value Hydrocarbons by Isothermal Oxidative Coupling of MethaneSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Application pending·0 cites
- 2034US2019127295A1Scalable And Robust Burner/Combustor And Reactor ConfigurationSABIC GLOBAL TECHNOLOGIES BV·Filed 2017·Application pending·0 cites
- 2131US9902665B2Method for producing hydrocarbons by non-oxidative coupling of methaneSABIC GLOBAL TECHNOLOGIES BV·Filed 2016·Granted Feb 27, 2018·0 cites·18 claims
- 2224US8692049B2Process and apparatus for the annihilation of harmful waste containing polychlorinated hydrocarbonsSIRKO IMRE·Filed 2010·Granted Apr 8, 2014·0 cites·9 claims
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