Inventor · disambiguated record
Mitchell D. Refvik
Also filed as: REFVIK MITCHELL D
37 granted patents·7 pending applications·298 citations·filing 2000–2024
98Inventor score
Files withCHEVRON PHILLIPS CHEMICAL CO LP19CHEVRON PHILLIPS CHEMICAL CO18BROWN CHAD W2PHILLIPS PETROLEUM CO2AGRIUM INC1
Top patents by PatentIndex Score
44 records- 0198US11583841B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Feb 21, 2023·2 cites·20 claims
- 0298US11583840B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Feb 21, 2023·2 cites·20 claims
- 0398US11117122B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 14, 2021·4 cites·9 claims
- 0498US11110443B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 7, 2021·5 cites·7 claims
- 0598US10894250B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jan 19, 2021·9 cites·20 claims
- 0698US10894249B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jan 19, 2021·8 cites·23 claims
- 0798US10722874B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jul 28, 2020·25 cites·17 claims
- 0898US10543480B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2018·Granted Jan 28, 2020·35 cites·20 claims
- 0997US11358131B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jun 14, 2022·2 cites·12 claims
- 1097US11358132B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jun 14, 2022·2 cites·12 claims
- 1195US9340717B2Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted May 17, 2016·7 cites·21 claims
- 1295US9340716B2Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted May 17, 2016·7 cites·22 claims
- 1395US9133370B2Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Sep 15, 2015·8 cites·24 claims
- 1495US7989655B2Thiol ester compositions and processes for making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Aug 2, 2011·30 cites·75 claims
- 1594US10821428B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Nov 3, 2020·4 cites·20 claims
- 1694US9340715B2Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted May 17, 2016·5 cites·21 claims
- 1793US7713326B2Controlled release fertilizer material and process for production thereofAGRIUM INC·Filed 2005·Granted May 11, 2010·34 cites·67 claims
- 1892US11801502B2Hydrocyclone modification of catalyst system components for use in olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Oct 31, 2023·1 cites·20 claims
- 1992US8461293B2Methods of mercaptanizing olefinic hydrocarbons and compositions produced therefromMATSON MICHAEL S·Filed 2010·Granted Jun 11, 2013·11 cites·24 claims
- 2092US7781484B2Thiol ester compositions and processes for making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Aug 24, 2010·11 cites·53 claims
- 2192US7645906B2Graded catalyst bed for methyl mercaptan synthesisCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Jan 12, 2010·17 cites·15 claims
- 2291US7557236B2Thiol ester compositions and processes for making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Jul 7, 2009·10 cites·33 claims
- 2391US7217843B2Method of making 2-thiolsCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted May 15, 2007·11 cites·20 claims
- 2490US7585932B2Polymer compositions and processes for making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Sep 8, 2009·14 cites·48 claims
- 2588US12036542B2Hydrocyclone modification of catalyst system components for use in olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Jul 16, 2024·0 cites·23 claims
- 2687US7910666B2Mercaptan-hardened epoxy polymer compositions and processes for making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Mar 22, 2011·8 cites·36 claims
- 2779US7399893B2Process and catalyst for synthesis of mercaptans and sulfides from alcoholsCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Jul 15, 2008·3 cites·15 claims
- 2879US6294699B1Oxidation of mercaptans to organic disulfidesRICHMOND HITCHCOCK FISH & DOLL·Filed 2000·Granted Sep 25, 2001·11 cites·80 claims
- 2973US8003748B2Polythiourethane compositions and processes for making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Aug 23, 2011·2 cites·53 claims
- 3072US2025340678A1Heteroatom (o-,s-) tethered metallocenes, catalyst compositions, and processesCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2024·Application pending·0 cites
- 3170US2024368313A1Determining the liquid composition in a loop slurry polymerization reactorCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Application pending·0 cites
- 3269US6852901B2Process to isomerize 1-butene to 2-buteneCHEVRON PHILLIPS CHEMICAL CO·Filed 2002·Granted Feb 8, 2005·5 cites·23 claims
- 3367US2024254065A1Method for the preparation of alkenyl halidesCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2024·Application pending·0 cites
- 3462US10513492B2Process for conversion of dimethyl sulfide to methyl mercaptanCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2018·Granted Dec 24, 2019·0 cites·20 claims
- 3559US10273204B2Process for conversion of dimethyl sulfide to methyl mercaptanCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Apr 30, 2019·0 cites·23 claims
- 3654US10773958B2Processes for removing polysulfanes and elemental sulfur from hydrogen sulfideCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2014·Granted Sep 15, 2020·0 cites·19 claims
- 3753US6736879B2Process to prepare low carbon disulfide containing dimethyl sulfideCHEVRON PHILLIPS CHEMICAL CO·Filed 2002·Granted May 18, 2004·5 cites·36 claims
- 3851US2009124762A1Methods and systems for the selective formation of thiourethane bonds and compounds formed therefromBROWN CHAD W·Filed 2007·Application pending·0 cites
- 3950US2008214774A1Thiourethane Compositions and Processes for Making and Using SameCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Application pending·0 cites
- 4050US2009124784A1Methods and compounds for curing polythiourethane compositionsBROWN CHAD W·Filed 2007·Application pending·0 cites
- 4147US6620776B2Detergent additive composition and processes therefore and therewithPHILLIPS PETROLEUM CO·Filed 2002·Granted Sep 16, 2003·0 cites·23 claims
- 4246US6506721B1Detergent additive composition and processes therefore and therewithPHILLIPS PETROLEUM CO·Filed 2000·Granted Jan 14, 2003·0 cites·16 claims
- 4342US7326820B2System and method for purifying heptaneCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Feb 5, 2008·0 cites·39 claims
- 4440US2011251358A1Oligomerization of bis(beta-hydroxy) polysulfides through etherificationCHEVRON PHILLIPS CHEMICAL CO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →