Inventor · disambiguated record
Ronald D. Knudsen
Also filed as: KNUDSEN RONALD D
42 granted patents·7 pending applications·1,470 citations·filing 1979–2022
98Inventor score
Files withPHILLIPS PETROLEUM CO24CHEVRON PHILLIPS CHEMICAL CO9CHEVRON PHILLIPS CHEMICAL CO LP7KNUDSEN RONALD D3SYDORA ORSON L2
Top patents by PatentIndex Score
49 records- 0199US10435336B2Olefin compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2018·Granted Oct 8, 2019·34 cites·20 claims
- 0298US8049052B2System and method of deactivating and quenching an oligomerization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Nov 1, 2011·31 cites·26 claims
- 0397US7910670B2Methods of preparation of an olefin oligomerization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Mar 22, 2011·47 cites·14 claims
- 0497US7157612B2Olefin production processPHILLIPS PETROLEUM CO·Filed 2004·Granted Jan 2, 2007·86 cites·49 claims
- 0597US6458905B1Complexes of pyridldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalystsPHILLIPS PETROLEUM CO·Filed 2000·Granted Oct 1, 2002·74 cites·1 claims
- 0697US5856257AOlefin productionPHILLIPS PETROLEUM CO·Filed 1997·Granted Jan 5, 1999·153 cites·12 claims
- 0796US7384886B2Methods of preparation of an olefin oligomerization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Jun 10, 2008·40 cites·61 claims
- 0896US4981831ATwice-aged porous inorganic oxides, catalysts, and polymerization processesPHILLIPS PETROLEUM CO·Filed 1988·Granted Jan 1, 1991·118 cites·41 claims
- 0995US6455648B1Olefin productionCHEVRON PHILLIPS CHEMICAL CO·Filed 1999·Granted Sep 24, 2002·79 cites·15 claims
- 1095US5689028AProcess to regulate olefin production by catalyst system inhibitionPHILLIPS PETROLEUM CO·Filed 1995·Granted Nov 18, 1997·86 cites·21 claims
- 1194US7820581B2Methods of preparation of an olefin oligomerization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Oct 26, 2010·18 cites·29 claims
- 1294US7718838B2Olefin production processCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted May 18, 2010·23 cites·40 claims
- 1393US6660894B1Process for upgrading an oligomerization productPHILLIPS PETROLEUM CO·Filed 2000·Granted Dec 9, 2003·66 cites·50 claims
- 1492US9175109B1Oligomerization processes and polymer compositions produced therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Nov 3, 2015·11 cites·22 claims
- 1591US8329608B2Methods of preparation of an olefin oligomerization catalystKNUDSEN RONALD D·Filed 2008·Granted Dec 11, 2012·17 cites·19 claims
- 1691US5543375AOlefin productionPHILLIPS PETROLEUM CO·Filed 1994·Granted Aug 6, 1996·71 cites·10 claims
- 1789US6380451B1Methods for restoring the heat transfer coefficient of an oligomerization reactorPHILLIPS PETROLEUM CO·Filed 1999·Granted Apr 30, 2002·111 cites·40 claims
- 1889US5563312AOlefin productionPHILLIPS PETROLEUM CO·Filed 1995·Granted Oct 8, 1996·81 cites·20 claims
- 1985US8957235B2Preparation of transition metal carboxylatesSYDORA ORSON L·Filed 2011·Granted Feb 17, 2015·4 cites·48 claims
- 2085US5919996AOlefin productionPHILLIPS PETROLEUM CO·Filed 1998·Granted Jul 6, 1999·59 cites·14 claims
- 2185US5115053ATwice-aged porous inorganic oxides, catalysts, and polymerization processesPHILLIPS PETROLEUM CO·Filed 1990·Granted May 19, 1992·50 cites·40 claims
- 2285US4482640AEthylene oligomerizationPHILLIPS PETROLEUM CO·Filed 1983·Granted Nov 13, 1984·46 cites·12 claims
- 2383US4528415AEthylene dimerizationPHILLIPS PETROLEUM CO·Filed 1984·Granted Jul 9, 1985·32 cites·12 claims
- 2482US11873264B2Ethylene oligomerization processesCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jan 16, 2024·0 cites·25 claims
- 2581US8344198B2Process to decrease or eliminate corrosion from the decomposition of halide containing olefin catalystsCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Jan 1, 2013·18 cites·15 claims
- 2681US4487847AEthylene dimerizationPHILLIPS PETROLEUM CO·Filed 1983·Granted Dec 11, 1984·28 cites·7 claims
- 2776US9580453B2Preparation of transition metal carboxylatesCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2014·Granted Feb 28, 2017·1 cites·18 claims
- 2875US11667590B2Ethylene oligomerization processesCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jun 6, 2023·0 cites·11 claims
- 2970US9375708B2Compositions and catalyst systems of metal precursors and olefinic diluentsKREISCHER BRUCE E·Filed 2009·Granted Jun 28, 2016·2 cites·27 claims
- 3068US9956548B2Preparation of an olefin oligomerization catalystSYDORA ORSON L·Filed 2011·Granted May 1, 2018·1 cites·53 claims
- 3168US5461126AProcess of polymerizing olefins using organonickel catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1994·Granted Oct 24, 1995·15 cites·48 claims
- 3266US2019263732A1Olefin CompositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Application pending·0 cites
- 3365US5198512APolymerization catalyst and processPHILLIPS PETROLEUM CO·Filed 1991·Granted Mar 30, 1993·21 cites·20 claims
- 3457US8993822B2Methods of preparation of an olefin oligomerization catalystKNUDSEN RONALD D·Filed 2010·Granted Mar 31, 2015·0 cites·8 claims
- 3557US5332708ACatalyst compositions and catalytic processesPHILLIPS PETROLEUM CO·Filed 1992·Granted Jul 26, 1994·9 cites·24 claims
- 3657US4518814AEthylene oligomerationPHILLIPS PETROLEUM CO·Filed 1984·Granted May 21, 1985·14 cites·6 claims
- 3755US5338812AOlefin polymerizationPHILLIPS PETROLEUM CO·Filed 1991·Granted Aug 16, 1994·8 cites·7 claims
- 3855US4491677AIsomer separationPHILLIPS PETROLEUM CO·Filed 1983·Granted Jan 1, 1985·4 cites·9 claims
- 3955US2013102828A1Process to Decrease or Eliminate Corrosion from the Decomposition of Halide Containing Olefin CataystsCHEVRON PHILLIPS CHEMICAL CO·Filed 2012·Application pending·0 cites
- 4054US10773958B2Processes for removing polysulfanes and elemental sulfur from hydrogen sulfideCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2014·Granted Sep 15, 2020·0 cites·19 claims
- 4150US9550841B2Methods of preparation of an olefin oligomerization catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Jan 24, 2017·0 cites·20 claims
- 4249US2007043181A1Methods of preparation of an olefin oligomerization catalystKNUDSEN RONALD D·Filed 2005·Application pending·0 cites
- 4348US4284830AMonohalogenation of substituted phenolPHILLIPS PETROLEUM CO·Filed 1980·Granted Aug 18, 1981·3 cites·6 claims
- 4448US2005187098A1Methods of preparation of an olefin oligomerization catalystFiled 2004·Application pending·0 cites
- 4545US2003144438A1Complexes of pyridyldiimines with vanadium and other transition metals, and their use as olefin oligomerization and polymerization catalystsPHILLIPS PETROLEUM CO·Filed 2002·Application pending·0 cites
- 4641US4258221ACleavage of alkylenebisphenolsPHILLIPS PETROLEUM CO·Filed 1979·Granted Mar 24, 1981·5 cites·8 claims
- 4736US5328881APolymerization catalyst and processPHILLIPS PETROLEUM CO·Filed 1992·Granted Jul 12, 1994·4 cites·14 claims
- 4832US2002182124A1Olefin production processFiled 1997·Application pending·0 cites
- 4930US2001053742A1Catalyst and processes for olefin trimerizationFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →