Inventor
REFVIK MITCHELL D
US39 patents
⚠️ This page may combine multiple inventors who share the name “REFVIK MITCHELL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON PHILLIPS CHEMICAL CO LP
18 patentsUS10722874B2Jul 28, 2020
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP25 citations98
US10894250B2Jan 19, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP9 citations94
US10543480B2Jan 28, 2020
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP35 citations94
US10894249B2Jan 19, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP8 citations93
US11358131B2Jun 14, 2022
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations84
US11117122B2Sep 14, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP4 citations84
US11110443B2Sep 7, 2021
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP5 citations84
US11583841B2Feb 21, 2023
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US11583840B2Feb 21, 2023
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US11358132B2Jun 14, 2022
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US10821428B2Nov 3, 2020
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP4 citations73
US11801502B2Oct 31, 2023
Hydrocyclone modification of catalyst system components for use in olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations71
US12544745B2Feb 10, 2026
Methods of preparing a catalyst utilizing hydrated reagents
CHEVRON PHILLIPS CHEMICAL CO LP0 citations63
US12036542B2Jul 16, 2024
Hydrocyclone modification of catalyst system components for use in olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations63
US12528073B2Jan 20, 2026
Chromium-catalyzed reactions of carbon monoxide with hydrocarbons in the presence of UV light
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US10773958B2Sep 15, 2020
Processes for removing polysulfanes and elemental sulfur from hydrogen sulfide
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US10513492B2Dec 24, 2019
Process for conversion of dimethyl sulfide to methyl mercaptan
CHEVRON PHILLIPS CHEMICAL CO LP0 citations48
US10273204B2Apr 30, 2019
Process for conversion of dimethyl sulfide to methyl mercaptan
CHEVRON PHILLIPS CHEMICAL CO LP0 citations48
CHEVRON PHILLIPS CHEMICAL CO
16 patentsUS7781484B2Aug 24, 2010
Thiol ester compositions and processes for making and using same
CHEVRON PHILLIPS CHEMICAL CO11 citations91
US7989655B2Aug 2, 2011
Thiol ester compositions and processes for making and using same
CHEVRON PHILLIPS CHEMICAL CO30 citations90
US7645906B2Jan 12, 2010
Graded catalyst bed for methyl mercaptan synthesis
CHEVRON PHILLIPS CHEMICAL CO17 citations84
US7217843B2May 15, 2007
Method of making 2-thiols
CHEVRON PHILLIPS CHEMICAL CO11 citations84
US9340715B2May 17, 2016
Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefrom
CHEVRON PHILLIPS CHEMICAL CO5 citations83
US9340716B2May 17, 2016
Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefrom
CHEVRON PHILLIPS CHEMICAL CO7 citations83
US9340717B2May 17, 2016
Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefrom
CHEVRON PHILLIPS CHEMICAL CO7 citations83
US9133370B2Sep 15, 2015
Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefrom
CHEVRON PHILLIPS CHEMICAL CO8 citations83
US7585932B2Sep 8, 2009
Polymer compositions and processes for making and using same
CHEVRON PHILLIPS CHEMICAL CO14 citations83
US7557236B2Jul 7, 2009
Thiol ester compositions and processes for making and using same
CHEVRON PHILLIPS CHEMICAL CO10 citations81
US7910666B2Mar 22, 2011
Mercaptan-hardened epoxy polymer compositions and processes for making and using same
CHEVRON PHILLIPS CHEMICAL CO8 citations80
US7399893B2Jul 15, 2008
Process and catalyst for synthesis of mercaptans and sulfides from alcohols
CHEVRON PHILLIPS CHEMICAL CO3 citations63
US8003748B2Aug 23, 2011
Polythiourethane compositions and processes for making and using same
CHEVRON PHILLIPS CHEMICAL CO2 citations61
US6852901B2Feb 8, 2005
Process to isomerize 1-butene to 2-butene
CHEVRON PHILLIPS CHEMICAL CO5 citations60
US6736879B2May 18, 2004
Process to prepare low carbon disulfide containing dimethyl sulfide
CHEVRON PHILLIPS CHEMICAL CO5 citations59
US7326820B2Feb 5, 2008
System and method for purifying heptane
CHEVRON PHILLIPS CHEMICAL CO0 citations41