Inventor
HALBERT THOMAS R
US37 patents
⚠️ This page may combine multiple inventors who share the name “HALBERT THOMAS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXXON RESEARCH ENGINEERING CO
21 patentsUS4978464ADec 18, 1990
Multi-function additive for lubricating oils
EXXON RESEARCH ENGINEERING CO144 citations98
US6231753B1May 15, 2001
Two stage deep naphtha desulfurization with reduced mercaptan formation
EXXON RESEARCH ENGINEERING CO65 citations95
US5278121AJan 11, 1994
Multimetallic sulfide catalyst containing noble metals for hydrodenitrogenation
EXXON RESEARCH ENGINEERING CO91 citations94
US6126814AOct 3, 2000
Selective hydrodesulfurization process (HEN-9601)
EXXON RESEARCH ENGINEERING CO81 citations93
US5252199AOct 12, 1993
Hydrotreating process using novel multimetallic sulfide catalysts
EXXON RESEARCH ENGINEERING CO85 citations93
US5026473AJun 25, 1991
Transition metal tris-dithiolene and related complexes as precursors to active catalysts
EXXON RESEARCH ENGINEERING CO41 citations93
US4960506AOct 2, 1990
Desulfurization of hydrocarbons using molybdenum or tungsten sulfide catalysts promoted with low valent group VIII metals
EXXON RESEARCH ENGINEERING CO30 citations93
US4839326AJun 13, 1989
Promoted molybdenum and tungsten sulfide catalysts, their preparation and use
EXXON RESEARCH ENGINEERING CO30 citations93
US6231754B1May 15, 2001
High temperature naphtha desulfurization using a low metal and partially deactivated catalyst
EXXON RESEARCH ENGINEERING CO46 citations91
US5910242AJun 8, 1999
Process for reduction of total acid number in crude oil
EXXON RESEARCH ENGINEERING CO50 citations91
US4730064AMar 8, 1988
Heterometallic thiocubanes (C-2044)
EXXON RESEARCH ENGINEERING CO16 citations74
US4681958AJul 21, 1987
Dithioacid vanadium sulfide dimer compositions
EXXON RESEARCH ENGINEERING CO6 citations74
US4207245AJun 10, 1980
Organometallic intercalates of metal chalcogenohalides
EXXON RESEARCH ENGINEERING CO17 citations74
US5620591AApr 15, 1997
Hydroconversion process with plug-flow molybdenum catalyst concentrate preparation
EXXON RESEARCH ENGINEERING CO13 citations71
US4962077AOct 9, 1990
Transition metal tris-dithiolene and related complexes as precursors to active catalysts
EXXON RESEARCH ENGINEERING CO4 citations63
US4585882AApr 29, 1986
Sulfido(disulfido)bis(N,N-substituted dithiocarbamato)W(VI) complexes
EXXON RESEARCH ENGINEERING CO2 citations63
US5300274AApr 5, 1994
Method for making molybdenum and sulfur containing compounds
EXXON RESEARCH ENGINEERING CO4 citations62
US4997962AMar 5, 1991
Synthesis of tetrathioperrhenate salts
EXXON RESEARCH ENGINEERING CO1 citations52
US4954645ASep 4, 1990
Dithioacid rhenium sulfide dimer compositions
EXXON RESEARCH ENGINEERING CO0 citations52
US4605752AAug 12, 1986
Quaternary ammonium tetrathiovanadates
EXXON RESEARCH ENGINEERING CO0 citations50
US5099046AMar 24, 1992
Method for making Mo4 S4 L6 (C-2387)
EXXON RESEARCH ENGINEERING CO1 citations47
EXXONMOBIL RES & ENG CO
13 patentsUS7799210B2Sep 21, 2010
Process for removing sulfur from naphtha
EXXONMOBIL RES & ENG CO25 citations92
US6409913B1Jun 25, 2002
Naphtha desulfurization with reduced mercaptan formation
EXXONMOBIL RES & ENG CO22 citations92
US7244352B2Jul 17, 2007
Selective hydroprocessing and mercaptan removal
EXXONMOBIL RES & ENG CO21 citations91
US6610197B2Aug 26, 2003
Low-sulfur fuel and process of making
EXXONMOBIL RES & ENG CO32 citations90
US6596157B2Jul 22, 2003
Staged hydrotreating method for naphtha desulfurization
EXXONMOBIL RES & ENG CO34 citations90
US6913688B2Jul 5, 2005
Multi-stage hydrodesulfurization of cracked naphtha streams with interstage fractionation
EXXONMOBIL RES & ENG CO15 citations81
US7220352B2May 22, 2007
Selective hydrodesulfurization of naphtha streams
EXXONMOBIL RES & ENG CO8 citations67
US7297251B2Nov 20, 2007
Multi-stage hydrodesulfurization of cracked naphtha streams with a stacked bed reactor
EXXONMOBIL RES & ENG CO4 citations62
US7422679B2Sep 9, 2008
Low CO for increased naphtha desulfurization
EXXONMOBIL RES & ENG CO3 citations61
US7988848B2Aug 2, 2011
Activating hydroprocessing catalysts using carbon monoxide and use of catalysts for hydroprocessing
EXXONMOBIL RES & ENG CO2 citations60
US6843905B2Jan 18, 2005
Low-sulfur fuel
EXXONMOBIL RES & ENG CO4 citations60
US7357856B2Apr 15, 2008
Nitrogen removal from olefinic naphtha feedstreams to improve hydrodesulfurization versus olefin saturation selectivity
EXXONMOBIL RES & ENG CO2 citations57
US7875167B2Jan 25, 2011
Low pressure selective desulfurization of naphthas
EXXONMOBIL RES & ENG CO1 citations45