Inventor · disambiguated record
Joel L. Martin
Also filed as: MARTIN JOEL L · MARTIN JOEL LEONARD
120 granted patents·5 pending applications·11,462 citations·filing 1981–2014
99Inventor score
Files withPHILLIPS PETROLEUM CO57CHEVRON PHILLIPS CHEMICAL CO41MURRAY REX E7YANG QING7JENSEN MICHAEL D3
Top patents by PatentIndex Score
125 records- 0199US8383754B2Catalyst compositions for producing high Mz/Mw polyolefinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2010·Granted Feb 26, 2013·102 cites·29 claims
- 0299US7960487B2Dual metallocene catalysts for polymerization of bimodal polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Jun 14, 2011·115 cites·29 claims
- 0399US7919639B2Nano-linked heteronuclear metallocene catalyst compositions and their polymer productsCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Apr 5, 2011·158 cites·19 claims
- 0499US7790820B2Acidic activator-supports and catalysts for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Sep 7, 2010·59 cites·20 claims
- 0599US7629284B2Acidic activator supports and catalysts for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Dec 8, 2009·63 cites·36 claims
- 0699US7619047B2Dual metallocene catalysts for polymerization of bimodal polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Nov 17, 2009·411 cites·37 claims
- 0799US7517939B2Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Apr 14, 2009·339 cites·23 claims
- 0899US7294599B2Acidic activator-supports and catalysts for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Nov 13, 2007·418 cites·28 claims
- 0999US7199073B2Resins that yield low haze films and the process for their productionCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Apr 3, 2007·231 cites·64 claims
- 1099US7026494B1Polymerization catalysts for producing high melt index polymers without the use of hydrogenCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Apr 11, 2006·333 cites·29 claims
- 1199US6750302B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1999·Granted Jun 15, 2004·411 cites·35 claims
- 1299US6667274B1Polymerization catalystsPHILLIPS PETROLEUM CO·Filed 2000·Granted Dec 23, 2003·396 cites·10 claims
- 1399US6632894B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 2000·Granted Oct 14, 2003·398 cites·17 claims
- 1499US6613712B1Organometal catalyst compositions with solid oxide supports treated with fluorine and boronPHILLIPS PETROLEUM CO·Filed 1999·Granted Sep 2, 2003·398 cites·17 claims
- 1599US6576583B1Organometal catalyst compositionPHILLIPS PETROLEUM CO·Filed 2000·Granted Jun 10, 2003·361 cites·13 claims
- 1699US6524987B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1999·Granted Feb 25, 2003·472 cites·34 claims
- 1799US6391816B1Organometal compound catalystPHILLIPS PETROLEUM CO·Filed 1999·Granted May 21, 2002·445 cites·35 claims
- 1899US6376415B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1999·Granted Apr 23, 2002·466 cites·35 claims
- 1999US6355594B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1999·Granted Mar 12, 2002·516 cites·81 claims
- 2098US8846841B2Catalyst compositions for producing high Mz/Mw polyolefinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Sep 30, 2014·38 cites·20 claims
- 2198US8691715B2Catalyst compositions for producing high Mz/Mw polyolefinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Apr 8, 2014·36 cites·20 claims
- 2298US8268944B2Dual metallocene catalysts for polymerization of bimodal polymersYANG QING·Filed 2012·Granted Sep 18, 2012·56 cites·30 claims
- 2398US8138113B2Dual metallocene catalysts for polymerization of bimodal polymersYANG QING·Filed 2011·Granted Mar 20, 2012·83 cites·21 claims
- 2498US8114946B2Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branchesYANG QING·Filed 2008·Granted Feb 14, 2012·296 cites·36 claims
- 2598US8080681B2Nano-linked metallocene catalyst compositions and their polymer productsMURRAY REX E·Filed 2007·Granted Dec 20, 2011·143 cites·16 claims
- 2698US8012900B2Nano-linked metallocene catalyst compositions and their polymer productsCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Sep 6, 2011·52 cites·32 claims
- 2798US7863210B2Nano-linked metallocene catalyst compositions and their polymer productsCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Jan 4, 2011·53 cites·29 claims
- 2898US7732542B2Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Jun 8, 2010·62 cites·20 claims
- 2998US7576163B2Polymerization catalysts for producing polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Aug 18, 2009·53 cites·26 claims
- 3098US7572875B2Ethylene homopolymers or copolymers having good machine direction (MD) elmendorf tear strengthCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Aug 11, 2009·51 cites·21 claims
- 3198US7312283B2Polymerization catalysts and process for producing bimodal polymers in a single reactorCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Dec 25, 2007·375 cites·75 claims
- 3298US7163906B2Organochromium/metallocene combination catalysts for producing bimodal resinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Jan 16, 2007·114 cites·20 claims
- 3398US7148298B2Polymerization catalysts for producing polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Dec 12, 2006·118 cites·32 claims
- 3498US7041617B2Catalyst compositions and polyolefins for extrusion coating applicationsCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted May 9, 2006·355 cites·30 claims
- 3598US6833338B2Organometal compound catalystPHILLIPS PETROLEUM CO·Filed 2003·Granted Dec 21, 2004·100 cites·12 claims
- 3698US6548441B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1999·Granted Apr 15, 2003·445 cites·32 claims
- 3798US6548442B1Organometal compound catalystPHILLIPS PETROLEUM CO·Filed 1999·Granted Apr 15, 2003·407 cites·43 claims
- 3898US6395666B1Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 1999·Granted May 28, 2002·498 cites·32 claims
- 3997US8475899B2Process for producing broader molecular weight distribution polymers with a reverse comonomer distribution and low levels of long chain branchesYANG QING·Filed 2011·Granted Jul 2, 2013·23 cites·22 claims
- 4097US8426538B2Catalyst compositions and polyolefins for extrusion coating applicationsJENSEN MICHAEL D·Filed 2011·Granted Apr 23, 2013·33 cites·20 claims
- 4197US8119553B2Polymerization catalysts for producing polymers with low melt elasticityYANG QING·Filed 2007·Granted Feb 21, 2012·26 cites·16 claims
- 4297US7470758B2Polymerization catalysts for producing polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Dec 30, 2008·60 cites·18 claims
- 4397US7456243B2Catalyst compositions and polyolefins for extrusion coating applicationsCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Nov 25, 2008·46 cites·28 claims
- 4497US7390764B2Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 2005·Granted Jun 24, 2008·27 cites·26 claims
- 4597US7064225B2Synthesis of ansa-metallocenes and their parent ligands in high yieldCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Jun 20, 2006·90 cites·67 claims
- 4697US6992032B2Organometal catalyst compositionsPHILLIPS PETROLEUM CO·Filed 2003·Granted Jan 31, 2006·74 cites·14 claims
- 4797US6653416B2Polymerization process utilizing organometal catalyst compositions and the polymer produced therebyPHILLIPS PETROLEUM CO·Filed 2002·Granted Nov 25, 2003·71 cites·6 claims
- 4896US8501651B2Catalyst systems and polymer resins having improved barrier propertiesDING ERRUN·Filed 2010·Granted Aug 6, 2013·21 cites·20 claims
- 4996US7652160B2Polymerization catalysts for producing high molecular weight polymers with low levels of long chain branchingCHEVERON PHILLIPS CHEMICAL COM·Filed 2009·Granted Jan 26, 2010·53 cites·18 claims
- 5096US7625982B2Multimodal polyethylene compositions and pipe made from sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Dec 1, 2009·58 cites·14 claims
Showing the top 50 of 125 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →