Inventor

Hye Kyung Cho Timken

Inventor

Albany, CA, US

Overview

1993–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 123 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C10Gprimary

C10GCracking hydrocarbon oils24%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry22%

C07CAcyclic or carbocyclic compounds19%

Y02PClimate change mitigation technologies in the production or processing of goods9%

B01DSeparation7%

C10LFuels not otherwise provided for4%

C01BNon-metallic elements3%

G01NInvestigating or analysing materials by determining their chemical or physical properties2%

C10MLubricating compositions1%

C07DHeterocyclic compounds1%

PatentTitleYear

11,000,839Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst2021 10,934,493Extraction of heavy polynuclear aromatics from heavy oil2021 10,888,857Ionic liquid catalyst regeneration with reduced hydrogen amounts2021 10,683,460Ethylene oligomerization process for making hydrocarbon liquids2020 10,633,304Natural gas liquid upgrading by ionic liquid catalyzed alkylation2020 10,610,809Process using an integrated coalescing system for separating dispersed ionic liquid from liquid hydrocarbon2020 10,435,491Method for making polyalphaolefins using ionic liquid catalyzed oligomerization of olefins2019 10,301,233Natural gas liquid upgrading by ionic liquid catalyzed alkylation2019 10,227,274Separations with ionic liquid solvents2019 10,173,194Systems for ionic liquid catalyzed alkylation based on a modular reactor2019 10,167,432Processes to make alkylate gasoline by sulfur-contaminated ionic liquid catalyzed alkylation2019 10,131,596Separations with ionic liquid solvents2018 10,113,963Integrated systems and processes for online monitoring of a chemical concentration in a flow of a degassed ionic liquid2018 10,094,778Integrated systems and processes for online monitoring of a chemical concentration in an ionic liquid2018 10,059,639Alkylation of refinery pentenes with isobutane2018 10,052,510Safe unloading and disposal of ionic liquid catalyst contaminated spent solids2018 10,017,837Metallurgical extraction technique to recover platinum group metals from a filter cake2018 9,956,504Integrated coalescing system for separating dispersed ionic liquid from liquid hydrocarbon2018 9,956,552Regeneration of acidic ionic liquid without addition of a hydrogenation catalyst2018 9,956,553Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst2018 9,938,473Ethylene oligomerization process for making hydrocarbon liquids2018 9,901,863'Process for the separation of carbon dioxide from flue gas'2018 9,802,186'Reactor for homogeneous regeneration of spent ionic liquid'2017 9,796,642'Pneumatically agitated ionic liquid alkylation using vaporization to remove reaction heat'2017 9,751,044'Aqueous solutions of amine functionalized ionic compounds for carbon capture processes'2017 9,732,016'Separations with ionic liquid solvents'2017 9,580,770'Process for preparing a spent catalyst for precious metals recovery'2017 9,545,614'Pneumatically agitated ionic liquid alkylation using vaporization to remove reaction heat'2017 9,388,093'Nozzle design for ionic liquid catalyzed alkylation'2016 9,302,200'Alkylation process unit with recyle of hydrogen and recovery of hydrogen chloride'2016 9,302,199'Alkylation process with recycle of hydrogen and recovery of hydrogen chloride'2016 9,254,450'Alkylation process unit comprising a fractionation unit for separating hydrogen gas and hydrogen chloride'2016 9,238,193'Separations with ionic liquid solvents'2016 9,233,316'Hydrogen recycle and hydrogen chloride recovery in an alkylation process'2016 9,216,393'Process and apparatus for safe disposal of used ionic liquid catalyst'2015 9,212,321'Process for recycling hydrogen halide to a reactor comprising an ionic liquid'2015 9,187,702'Hydroprocessing catalyst and method of making the same'2015 9,180,403'Aqueous solutions of amine functionalized ionic compounds for carbon capture processes'2015 8,987,159'Integrated alkylation process to make blended alkylate gasoline'2015 8,969,645'Process for reducing chloride in hydrocarbon products using an ionic liquid catalyst'2015 8,936,768'Alkylation process unit for producing high quality gasoline blending components in two modes'2015 8,920,755'Conversion of HF alkylation units for ionic liquid catalyzed alkylation processes'2014 8,921,636'Conversion of HF alkylation units for ionic liquid catalyzed alkylation processes'2014 8,911,539'Process for the separation of carbon dioxide from flue gas'2014 8,906,311'Process unit for flexible production of alkylate gasoline and distillate'2014 8,895,794'Process for producing high quality gasoline blending components in two modes'2014 8,884,091'Integration of hydro-dechlorination and hydro-regeneration'2014 8,865,960'Startup procedures for ionic liquid catalyzed hydrocarbon conversion processes'2014 8,795,515'Catalytic dechlorination processes to upgrade feedstock containing chloride as fuels'2014 8,772,035'Process for controlling ionic liquid catalyst activity by titration'2014 8,728,301'Integrated butane isomerization and ionic liquid catalyzed alkylation processes'2014 8,704,018'Extracted conjunct polymer naphtha'2014 8,673,800'Hydrolysis of used ionic liquid catalyst for disposal'2014 8,658,426'Monitoring of ionic liquid catalyst deactivation'2014 8,586,812'Ionic liquid catalyzed olefin oligomerization for distillate production'2013 8,524,623'Electrochemical removal of conjunct polymers from chloroaluminate ionic liquids'2013 8,487,154'Market driven alkylation or oligomerization process'2013 8,455,708'Flexible production of alkylate gasoline and distillate'2013 8,388,828'Recovery and use of conjunct polymers from ionic liquid catalysts'2013 8,288,601'Process for reacting an iso-alkane to produce a high boiling product and an alkylate gasoline blending component'2012 8,247,628'Process for reacting iso-alkane'2012 8,237,004'Process for making products with low hydrogen halide'2012 8,222,471'Process for making a high viscosity base oil with an improved viscosity index'2012 8,198,499'Ionic liquid catalyzed alkylation process employing nozzles and system implementing such process'2012 8,183,425'Ionic liquid catalyst alkylation using split reactant streams'2012 7,988,747'Production of low sulphur alkylate gasoline fuel'2011 7,955,498'Reduction of organic halide contamination in hydrocarbon products'2011 7,956,230'Reduction of organic halide contamination in hydrocarbon products'2011 7,915,468'Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins'2011 7,803,267'Gasoline sulfur reduction in fluid catalytic cracking'2010 7,754,636'Removal of excess metal halides from regenerated ionic liquid catalysts'2010 7,674,739'Regeneration of ionic liquid catalyst using a metal in the absence of added hydrogen'2010 7,594,992'Highly homogeneous amorphous silica-alumina catalyst composition'2009 7,553,999'Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins'2009 7,531,707'Alkylation process using an alkyl halide promoted ionic liquid catalyst'2009 7,507,686'Gasoline sulfur reduction in fluid catalytic cracking'2009 7,485,763'Using a catalyst having two different zeolites for transalkylation of a C9+ aromatic feed'2009 7,476,638'Gasoline sulfur reduction in fluid catalytic cracking'2009 7,452,839'Gasoline sulfur reduction in fluid catalytic cracking'2008 7,432,408'Integrated alkylation process using ionic liquid catalysts'2008 7,432,409'Alkylation process using chloroaluminate ionic liquid catalysts'2008 7,348,293'Homogeneous modified-alumina Fischer-Tropsch catalyst supports'2008 7,198,711'Catalytic cracking processing using an MCM-68 catalyst'2007 7,173,160'Processes for concentrating higher diamondoids'2007 7,148,391'Heavy aromatics processing'2006 6,995,112'Highly homogeneous amorphous silica-alumina catalyst composition'2006 6,974,787'Gasoline sulfur reduction in fluid catalytic cracking'2005 6,923,903'Gasoline sulfur reduction in fluid catalytic cracking'2005 6,902,664'Extremely low acidity USY and homogeneous, amorphous silica-alumina hydrocracking catalyst and process'2005 6,872,685'Method for preparing a highly homogeneous amorphous silica-alumina composition'2005 6,860,986'Extremely low acidity ultrastable Y zeolite catalyst composition and process'2005 6,852,214'Gasoline sulfur reduction in fluid catalytic cracking'2005 6,846,403'Gasoline sulfur reduction in fluid catalytic cracking'2005 6,797,155'Catalytic cracking process using a modified mesoporous aluminophosphate material'2004 6,747,182'Production of alkylated aromatic compounds using dealuminated catalysts'2004 6,635,169'Method for reducing gasoline sulfur in fluid catalytic cracking'2003 6,596,662'Production of alkylated aromatic compounds using dealuminated catalysts'2003 6,548,709'Method for the production of arylsulfides and compositions made therefrom'2003 6,506,953'Hydroalkylation of aromatic hydrocarbons'2003 6,447,741'Thermally stable, high surface area, modified mesoporous aluminophosphate material'2002 6,365,767'Process for co-production of dialkyl carbonate and alkanediol'2002 6,294,077'Production of high viscosity lubricating oil stock with improved ZSM-5 catalyst'2001 6,258,962'Process for producing alkylene carbonates'2001 6,207,850'Process for co-production of dialkyl carbonate and alkanediol'2001 6,051,521'Method of producing an aromatics alkylation catalyst'2000 6,013,239'Large crystal ZSM-5, its synthesis and use'2000 5,865,986'Hydrocarbon conversion'1999 5,685,972'Production of benzene, toluene, and xylene (BTX) from FCC naphtha'1997 5,643,441'Naphtha upgrading process'1997 5,639,931'Process for producing low aromatic diesel fuel with high cetane index'1997 5,500,108'Gasoline upgrading process'1996 5,500,109'Method for preparing catalysts comprising zeolites extruded with an alumina binder'1996 5,430,000'Method for preparing titania-bound zeolite catalysts'1995 5,417,949'NO.sub.x abatement process'1995 5,411,658'Gasoline upgrading process'1995 5,405,814'Olefin conversion catalyst regeneration'1995 5,401,896'Process for preparing long chain alkyl aromatic compounds'1995 5,401,389'Gasoline-cycle oil upgrading process'1995 5,397,455'Gasoline upgrading process'1995 5,378,671'Method for preparing catalysts comprising zeolites'1995 5,296,428'Catalyst comprising MCM-36 and a hydrogenation/dehydrogenation component'1994 5,294,330'Hydrocracking process with a catalyst comprising MCM-36'1994 5,254,792'Isoparaffin:olefin alkylation in the presence of synthetic porous MCM-49'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2005Patents assigned to MOBIL OIL CORP (24)· patent assignee history

1993–2009Based in Woodbury, NJ, US· patent location history

2003–2010Patents assigned to GRACE W R & CO (9)· patent assignee history

2003–2021Based in Albany, CA, US· patent location history

2004Based in Oakland, CA, US· patent location history

2005–2021Patents assigned to CHEVRON USA INC (81)· patent assignee history

2012–2020Patents assigned to TIMKEN HYE KYUNG CHO (21)· patent assignee history

2012–2015Patents assigned to TIMKEN HYE-KYUNG (13)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHEVRON USA INC	81	2005–2021
MOBIL OIL CORP	24	1993–2005
TIMKEN HYE KYUNG CHOself	21	2012–2020
TIMKEN HYE-KYUNGself	13	2012–2015
GRACE W R & CO	9	2003–2010

Locations

Location	Patents	Span
Albany, California, US	90	2003–2021
Woodbury, New Jersey, US	32	1993–2009
Oakland, California, US	1	2004