Inventor
LEE LAP-KEUNG
US23 patents
⚠️ This page may combine multiple inventors who share the name “LEE LAP-KEUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYDROCARBON TECHNOLOGIES INC
9 patentsUS6190542B1Feb 20, 2001
Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds
HYDROCARBON TECHNOLOGIES INC245 citations99
US6139723AOct 31, 2000
Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds
HYDROCARBON TECHNOLOGIES INC151 citations99
US6919065B2Jul 19, 2005
Supported noble metal, phase-controlled catalyst and methods for making and using the catalyst
HYDROCARBON TECHNOLOGIES INC71 citations98
US6168775B1Jan 2, 2001
Catalyst and process for direct catalystic production of hydrogen peroxide, (H2O2)
HYDROCARBON TECHNOLOGIES INC139 citations98
US5871638AFeb 16, 1999
Dispersed anion-modified phosphorus-promoted iron oxide catalysts
HYDROCARBON TECHNOLOGIES INC121 citations97
US6576214B2Jun 10, 2003
Catalytic direct production of hydrogen peroxide from hydrogen and oxygen feeds
HYDROCARBON TECHNOLOGIES INC55 citations96
US6277895B1Aug 21, 2001
Skeletal iron catalyst having improved attrition resistance and product selectivity in slurry-phase synthesis processes
HYDROCARBON TECHNOLOGIES INC82 citations94
US6875409B1Apr 5, 2005
Catalyst and process for oxidation and removal of nitrogen oxides (NOx) from combustion gases
HYDROCARBON TECHNOLOGIES INC27 citations92
US6265451B1Jul 24, 2001
Skeletal iron catalyst and its preparation for Fischer-Tropsch synthesis processes
HYDROCARBON TECHNOLOGIES INC47 citations89
HEADWATERS HEAVY OIL LLC
8 patentsUS9605215B2Mar 28, 2017
Systems for hydroprocessing heavy oil
HEADWATERS HEAVY OIL LLC39 citations97
US7815870B2Oct 19, 2010
Ebullated bed hydroprocessing systems
HEADWATERS HEAVY OIL LLC36 citations96
US7449103B2Nov 11, 2008
Ebullated bed hydroprocessing methods and systems and methods of upgrading an existing ebullated bed system
HEADWATERS HEAVY OIL LLC44 citations96
US8673130B2Mar 18, 2014
Method for efficiently operating an ebbulated bed reactor and an efficient ebbulated bed reactor
HEADWATERS HEAVY OIL LLC14 citations92
US7578928B2Aug 25, 2009
Hydroprocessing method and system for upgrading heavy oil using a colloidal or molecular catalyst
HEADWATERS HEAVY OIL LLC39 citations92
US7517446B2Apr 14, 2009
Fixed bed hydroprocessing methods and systems and methods for upgrading an existing fixed bed system
HEADWATERS HEAVY OIL LLC53 citations90
US10118146B2Nov 6, 2018
Systems and methods for hydroprocessing heavy oil
HEADWATERS HEAVY OIL LLC0 citations52
US9920261B2Mar 20, 2018
Method for upgrading ebullated bed reactor and upgraded ebullated bed reactor
HEADWATERS HEAVY OIL LLC0 citations52
LOTT ROGER K
3 patentsUS8440071B2May 14, 2013
Methods and systems for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst
LOTT ROGER K11 citations92
US8431016B2Apr 30, 2013
Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst
LOTT ROGER K22 citations92
US8303802B2Nov 6, 2012
Methods for hydrocracking a heavy oil feedstock using an in situ colloidal or molecular catalyst and recycling the colloidal or molecular catalyst
LOTT ROGER K11 citations92