Inventor
WITTENBRINK ROBERT J
US44 patents
⚠️ This page may combine multiple inventors who share the name “WITTENBRINK ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXXON RESEARCH ENGINEERING CO
27 patentsUS6165949ADec 26, 2000
Premium wear resistant lubricant
EXXON RESEARCH ENGINEERING CO439 citations99
US5882505AMar 16, 1999
Conversion of fisher-tropsch waxes to lubricants by countercurrent processing
EXXON RESEARCH ENGINEERING CO200 citations99
US5766274AJun 16, 1998
Synthetic jet fuel and process for its production
EXXON RESEARCH ENGINEERING CO150 citations99
US5689031ANov 18, 1997
Synthetic diesel fuel and process for its production
EXXON RESEARCH ENGINEERING CO179 citations99
US6332974B1Dec 25, 2001
Wide-cut synthetic isoparaffinic lubricating oils
EXXON RESEARCH ENGINEERING CO84 citations98
US6103099AAug 15, 2000
Production of synthetic lubricant and lubricant base stock without dewaxing
EXXON RESEARCH ENGINEERING CO227 citations98
US5888376AMar 30, 1999
Conversion of fischer-tropsch light oil to jet fuel by countercurrent processing
EXXON RESEARCH ENGINEERING CO116 citations98
US6179994B1Jan 30, 2001
Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite
EXXON RESEARCH ENGINEERING CO102 citations97
US6147126ANov 14, 2000
Gas conversion using hydrogen from syngas gas and hydroconversion tail gas
EXXON RESEARCH ENGINEERING CO149 citations97
US6309432B1Oct 30, 2001
Synthetic jet fuel and process for its production
EXXON RESEARCH ENGINEERING CO58 citations96
US6180842B1Jan 30, 2001
Stability fischer-tropsch diesel fuel and a process for its production
EXXON RESEARCH ENGINEERING CO82 citations96
US6162956ADec 19, 2000
Stability Fischer-Tropsch diesel fuel and a process for its production
EXXON RESEARCH ENGINEERING CO66 citations96
US6103773AAug 15, 2000
Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon liquids
EXXON RESEARCH ENGINEERING CO58 citations96
US5814109ASep 29, 1998
Diesel additive for improving cetane, lubricity, and stability
EXXON RESEARCH ENGINEERING CO86 citations96
US5977192ANov 2, 1999
Small catalyst particle addition to slurry reactor
EXXON RESEARCH ENGINEERING CO98 citations95
US6087544AJul 11, 2000
Process for the production of high lubricity low sulfur distillate fuels
EXXON RESEARCH ENGINEERING CO48 citations93
US6017372AJan 25, 2000
Alcohols as lubricity additives for distillate fuels
EXXON RESEARCH ENGINEERING CO19 citations92
US5756420AMay 26, 1998
Supported hydroconversion catalyst and process of preparation thereof
EXXON RESEARCH ENGINEERING CO25 citations92
US5750819AMay 12, 1998
Process for hydroconversion of paraffin containing feeds
EXXON RESEARCH ENGINEERING CO21 citations92
US5498821AMar 12, 1996
Carbon dioxide addition in hydrocracking/hydroisomerization processes to control methane production
EXXON RESEARCH ENGINEERING CO37 citations92
US6284806B1Sep 4, 2001
Water emulsions of Fischer-Tropsch waxes
EXXON RESEARCH ENGINEERING CO20 citations91
US6090859AJul 18, 2000
Small catalyst particle addition to slurry reactor (Law749)
EXXON RESEARCH ENGINEERING CO19 citations90
US6245709B1Jun 12, 2001
Supported Ni-Cu hydroconversion catalyst
EXXON RESEARCH ENGINEERING CO17 citations84
US6325833B1Dec 4, 2001
Emulsion blends
EXXON RESEARCH ENGINEERING CO11 citations74
US6077419AJun 20, 2000
Pillared clay catalysts for hydroconversion
EXXON RESEARCH ENGINEERING CO7 citations74
US6294587B1Sep 25, 2001
Water emulsions of Fischer-Tropsch liquids (LAW516)
EXXON RESEARCH ENGINEERING CO12 citations71
US6458855B1Oct 1, 2002
Fischer-tropsch process water emulsions of hydrocarbons (law548)
EXXON RESEARCH ENGINEERING CO5 citations60
EXXONMOBIL RES & ENG CO
9 patentsUS6080301AJun 27, 2000
Premium synthetic lubricant base stock having at least 95% non-cyclic isoparaffins
EXXONMOBIL RES & ENG CO465 citations99
US6475960B1Nov 5, 2002
Premium synthetic lubricants
EXXONMOBIL RES & ENG CO111 citations98
US6420618B1Jul 16, 2002
Premium synthetic lubricant base stock (Law734) having at least 95% noncyclic isoparaffins
EXXONMOBIL RES & ENG CO91 citations98
US6610636B2Aug 26, 2003
Premium wear resistant lubricant
EXXONMOBIL RES & ENG CO15 citations93
US6755961B1Jun 29, 2004
Stability Fischer-Tropsch diesel fuel and a process for its production (LAW725)
EXXONMOBIL RES & ENG CO33 citations92
US6669743B2Dec 30, 2003
Synthetic jet fuel and process for its production (law724)
EXXONMOBIL RES & ENG CO25 citations92
US6375830B1Apr 23, 2002
Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite
EXXONMOBIL RES & ENG CO34 citations92
US6776898B1Aug 17, 2004
Process for softening fischer-tropsch wax with mild hydrotreating
EXXONMOBIL RES & ENG CO8 citations74
US6695965B1Feb 24, 2004
Process for adjusting the hardness of Fischer-Tropsch wax by blending
EXXONMOBIL RES & ENG CO3 citations63
EXXONMOBIL CHEM PATENTS INC
4 patentsUS7265193B2Sep 4, 2007
Polymerization process
EXXONMOBIL CHEM PATENTS INC46 citations92
US7176158B2Feb 13, 2007
Polymerization catalyst composition
EXXONMOBIL CHEM PATENTS INC13 citations80
US7119155B2Oct 10, 2006
Polymerized catalyst composition II
EXXONMOBIL CHEM PATENTS INC14 citations80
US7319083B2Jan 15, 2008
Polymerized catalyst composition
EXXONMOBIL CHEM PATENTS INC8 citations68
EXXONMOBIL CHEMICAL PATENTS INC
3 patentsUS10208143B2Feb 19, 2019
Polyethylene polymers, films made therefrom, and methods of making the same
EXXONMOBIL CHEMICAL PATENTS INC1 citations63
US11441023B2Sep 13, 2022
Polyethylene films and methods of making the same
EXXONMOBIL CHEMICAL PATENTS INC1 citations53
US11370902B2Jun 28, 2022
Articles comprising polypropylene impact copolymers and methods of making the same
EXXONMOBIL CHEMICAL PATENTS INC0 citations46