Inventor · disambiguated record
Bong-Kyu Chang
Also filed as: CHANG BONG-KYU
32 granted patents·10 pending applications·151 citations·filing 2004–2025
96Inventor score
Top patents by PatentIndex Score
42 records- 0197US11643373B1Integrated reactor for ionic liquid alkylation using bio-ethylene feedstockCHEVRON USA INC·Filed 2022·Granted May 9, 2023·3 cites·15 claims
- 0296US11621059B2Method for on-line prediction of conjunct polymer concentration in a hydrocarbon conversion processCHEVRON USA INC·Filed 2021·Granted Apr 4, 2023·3 cites·11 claims
- 0396US8067656B2Liquid-liquid separation process via coalescersLUO HUPING·Filed 2008·Granted Nov 29, 2011·39 cites·24 claims
- 0495US7732364B2Process for ionic liquid catalyst regenerationCHEVRON USA INC·Filed 2007·Granted Jun 8, 2010·29 cites·20 claims
- 0593US11639320B1Process for the production of renewable distillate-range hydrocarbonsCHEVRON USA INC·Filed 2022·Granted May 2, 2023·2 cites·20 claims
- 0693US9388093B2Nozzle design for ionic liquid catalyzed alkylationLUO HUPING·Filed 2014·Granted Jul 12, 2016·14 cites·43 claims
- 0791US10301233B2Natural gas liquid upgrading by ionic liquid catalyzed alkylationCHEVRON USA INC·Filed 2017·Granted May 28, 2019·8 cites·12 claims
- 0891US9545614B2Pneumatically agitated ionic liquid alkylation using vaporization to remove reaction heatCHEVRON USA INC·Filed 2015·Granted Jan 17, 2017·5 cites·27 claims
- 0989US9938473B2Ethylene oligomerization process for making hydrocarbon liquidsTIMKEN HYE KYUNG CHO·Filed 2015·Granted Apr 10, 2018·7 cites·21 claims
- 1088US12281054B2Process for the production of renewable distillate-range hydrocarbonsCHEVRON USA INC·Filed 2024·Granted Apr 22, 2025·0 cites·6 claims
- 1185US8821805B2Process unit with improved reactant feeding for the production of alkylate gasolineLUO HUPING·Filed 2012·Granted Sep 2, 2014·5 cites·13 claims
- 1285US7955999B2System and apparatus for ionic liquid catalyst regenerationCHEVRON USA INC·Filed 2007·Granted Jun 7, 2011·6 cites·14 claims
- 1384US12258302B2Ionic liquid alkylation of isobutane with ethylene to produce alkylateCHEVRON USA INC·Filed 2024·Granted Mar 25, 2025·0 cites·14 claims
- 1484US12043589B2Process for the production of renewable distillate-range hydrocarbonsCHEVRON USA INC·Filed 2023·Granted Jul 23, 2024·0 cites·6 claims
- 1583US8088338B2System and apparatus for ionic liquid catalyst regenerationLUO HUPING·Filed 2010·Granted Jan 3, 2012·3 cites·18 claims
- 1682US10173194B2Systems for ionic liquid catalyzed alkylation based on a modular reactorCHEVRON USA INC·Filed 2017·Granted Jan 8, 2019·2 cites·22 claims
- 1781US11964926B2Ionic liquid alkylation of isobutane with ethylene to produce alkylateCHEVRON USA INC·Filed 2022·Granted Apr 23, 2024·0 cites·18 claims
- 1878US9302199B2Alkylation process with recycle of hydrogen and recovery of hydrogen chlorideTIMKEN HYE KYUNG CHO·Filed 2012·Granted Apr 5, 2016·2 cites·22 claims
- 1977US9233316B2Hydrogen recycle and hydrogen chloride recovery in an alkylation processTIMKEN HYE KYUNG CHO·Filed 2012·Granted Jan 12, 2016·2 cites·20 claims
- 2076US9956552B2Regeneration of acidic ionic liquid without addition of a hydrogenation catalystCHEVRON USA INC·Filed 2016·Granted May 1, 2018·1 cites·23 claims
- 2171US7501012B2Microfibrous entrapment of small reactive particulates and fibers for high contacting efficiency removal of contaminants from gaseous or liquid streamsUNIV AUBURN·Filed 2004·Granted Mar 10, 2009·20 cites·15 claims
- 2270US11643374B1Ionic liquid alkylation of isobutane with bio-ethylene to produce alkylateCHEVRON USA INC·Filed 2022·Granted May 9, 2023·0 cites·23 claims
- 2367US10633304B2Natural gas liquid upgrading by ionic liquid catalyzed alkylationCHEVRON USA INC·Filed 2019·Granted Apr 28, 2020·0 cites·9 claims
- 2464US10683460B2Ethylene oligomerization process for making hydrocarbon liquidsTIMKEN HYE KYUNG CHO·Filed 2018·Granted Jun 16, 2020·0 cites·6 claims
- 2564US10167432B2Processes to make alkylate gasoline by sulfur-contaminated ionic liquid catalyzed alkylationCHEVRON USA INC·Filed 2017·Granted Jan 1, 2019·0 cites·19 claims
- 2663US11135575B2Apparatus for regeneration of acidic ionic liquid without addition of a hydrogenation catalystCHEVRON USA INC·Filed 2018·Granted Oct 5, 2021·0 cites·12 claims
- 2763US9302200B2Alkylation process unit with recyle of hydrogen and recovery of hydrogen chlorideTIMKEN HYE KYUNG CHO·Filed 2013·Granted Apr 5, 2016·0 cites·8 claims
- 2863US2025346816A1Melting and dissolving waste plastic into vgoCHEVRON USA INC·Filed 2025·Application pending·0 cites
- 2961US11724972B2Combined process for alkylation of light olefins using ionic liquid catalystsUOP LLC·Filed 2022·Granted Aug 15, 2023·0 cites·19 claims
- 3061US10888857B2Ionic liquid catalyst regeneration with reduced hydrogen amountsUOP LLC·Filed 2018·Granted Jan 12, 2021·0 cites·20 claims
- 3158US2016001255A1Novel reactor for ionic liquid catalyzed alkylation based on motionless mixerLUO HUPING·Filed 2014·Application pending·0 cites
- 3254US8541638B2Process to remove dissolved AlCl3 from ionic liquidAHMED MOINUDDIN·Filed 2008·Granted Sep 24, 2013·0 cites·10 claims
- 3354US2010126948A1Filtering process and system to remove aici3 particulates from ionic liquidCHEVRON USA INC·Filed 2008·Application pending·0 cites
- 3453US2014024874A1PROCESS TO REMOVE DISSOLVED AlCl3 FROM IONIC LIQUIDAHMED MOINUDDIN·Filed 2013·Application pending·0 cites
- 3553US2017007993A1Sulfur-contaminated ionic liquid catalyzed alklyationTIMKEN HYE KYUNG·Filed 2015·Application pending·0 cites
- 3653US2010278699A1Apparatus for ionic liquid catalyst regenerationCHEVRON USA INC·Filed 2010·Application pending·0 cites
- 3751US2013274533A1PROCESS TO REMOVE DISSOLVED AlCl3 FROM IONIC LIQUIDAHMED MOINUDDIN·Filed 2013·Application pending·0 cites
- 3850US2011282114A1Method of feeding reactants in a process for the production of alkylate gasolineLUO HUPING·Filed 2010·Application pending·0 cites
- 3950US2011297618A1Filtering Process and System to Remove AlCl3 Particulates from Ionic LiquidLUO HUPING·Filed 2011·Application pending·0 cites
- 4049US10059639B2Alkylation of refinery pentenes with isobutaneCHEVRON USA INC·Filed 2016·Granted Aug 28, 2018·0 cites·19 claims
- 4145US2009171133A1Ionic liquid catalyst alkylation using a loop reactorCHEVRON USA INC·Filed 2007·Application pending·0 cites
- 4242US9796642B2Pneumatically agitated ionic liquid alkylation using vaporization to remove reaction heatCHEVRON USA INC·Filed 2015·Granted Oct 24, 2017·0 cites·27 claims
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