Assignee
CHEVRON PHILLIPS CHEMICAL CO
US·373 granted patents·41 pending applications·12,284 citations·filing 1994–2015
Top patents by PatentIndex Score
414 records- 0199US9181370B2Low density polyolefin resins with low molecular weight and high molecular weight components, and films made therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Nov 10, 2015·71 cites·21 claims
- 0299US9023959B2Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted May 5, 2015·203 cites·20 claims
- 0399US8912285B2Catalyst system with three metallocenes for producing broad molecular weight distribution polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2012·Granted Dec 16, 2014·37 cites·20 claims
- 0499US8703886B1Dual activator-support catalyst systemsCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Apr 22, 2014·193 cites·30 claims
- 0599US8623973B1Activator supports impregnated with group VIII transition metals for polymer property controlCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Jan 7, 2014·242 cites·27 claims
- 0699US8383754B2Catalyst compositions for producing high Mz/Mw polyolefinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2010·Granted Feb 26, 2013·102 cites·29 claims
- 0799US7960487B2Dual metallocene catalysts for polymerization of bimodal polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Jun 14, 2011·115 cites·29 claims
- 0899US7919639B2Nano-linked heteronuclear metallocene catalyst compositions and their polymer productsCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Apr 5, 2011·158 cites·19 claims
- 0999US7884163B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Feb 8, 2011·428 cites·20 claims
- 1099US7790820B2Acidic activator-supports and catalysts for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Sep 7, 2010·59 cites·20 claims
- 1199US7629284B2Acidic activator supports and catalysts for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Dec 8, 2009·63 cites·36 claims
- 1299US7619047B2Dual metallocene catalysts for polymerization of bimodal polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Nov 17, 2009·411 cites·37 claims
- 1399US7601665B2Compositions that can produce polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Oct 13, 2009·365 cites·14 claims
- 1499US7521572B2Polymerization catalysts and process for producing bimodal polymers in a single reactorCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Apr 21, 2009·61 cites·16 claims
- 1599US7517939B2Polymerization 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
- 1699US7294599B2Acidic activator-supports and catalysts for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Nov 13, 2007·418 cites·28 claims
- 1799US7226886B2Polymerization catalysts and process for producing bimodal polymers in a single reactorCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Jun 5, 2007·412 cites·24 claims
- 1899US7199073B2Resins that yield low haze films and the process for their productionCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Apr 3, 2007·231 cites·64 claims
- 1999US7026494B1Polymerization 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
- 2098US9394393B2Higher density polyolefins with improved stress crack resistanceCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted Jul 19, 2016·31 cites·19 claims
- 2198US9365667B2Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted Jun 14, 2016·17 cites·21 claims
- 2298US9334350B2Low density polyolefin resins and films made therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted May 10, 2016·28 cites·26 claims
- 2398US9303099B2Methods of controlling dual catalyst olefin polymerizations with an alcohol compoundCHEVRON PHILLIPS CHEMICAL CO·Filed 2015·Granted Apr 5, 2016·13 cites·23 claims
- 2498US9273170B2Polymers with improved toughness and ESCR for large-part blow molding applicationsCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Mar 1, 2016·63 cites·21 claims
- 2598US9217049B2Dual catalyst systems for producing polymers with a broad molecular weight distribution and a uniform short chain branch distributionCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Dec 22, 2015·58 cites·24 claims
- 2698US9181369B2Polymer films having improved heat sealing propertiesCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Nov 10, 2015·29 cites·16 claims
- 2798US9169337B2Polymers with improved ESCR for blow molding applicationsCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Oct 27, 2015·75 cites·27 claims
- 2898US9163098B2Processes for preparing metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Oct 20, 2015·32 cites·22 claims
- 2998US9156970B2Higher density polyolefins with improved stress crack resistanceCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Oct 13, 2015·38 cites·20 claims
- 3098US9006367B2Low density polyolefin resins and films made therefromCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Apr 14, 2015·91 cites·25 claims
- 3198US8912108B2Methods of regenerating aromatization catalystsCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Dec 16, 2014·29 cites·23 claims
- 3298US8846841B2Catalyst compositions for producing high Mz/Mw polyolefinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2014·Granted Sep 30, 2014·38 cites·20 claims
- 3398US8822608B1Polyolefin production with different diluents in multiple polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Sep 2, 2014·212 cites·32 claims
- 3498US8815357B1Polymer resins with improved processability and melt fracture characteristicsCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Aug 26, 2014·52 cites·22 claims
- 3598US8691715B2Catalyst compositions for producing high Mz/Mw polyolefinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Apr 8, 2014·36 cites·20 claims
- 3698US8680218B1Methods for controlling dual catalyst olefin polymerizations with an organozinc compoundCHEVRON PHILLIPS CHEMICAL CO·Filed 2013·Granted Mar 25, 2014·45 cites·20 claims
- 3798US8049052B2System and method of deactivating and quenching an oligomerization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Nov 1, 2011·31 cites·26 claims
- 3898US8012900B2Nano-linked metallocene catalyst compositions and their polymer productsCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Sep 6, 2011·52 cites·32 claims
- 3998US7981832B2Methods of activating chromium catalystsCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Jul 19, 2011·42 cites·22 claims
- 4098US7910763B2Process for preparing a monocyclopentadienyl compoundCHEVRON PHILLIPS CHEMICAL CO·Filed 2009·Granted Mar 22, 2011·32 cites·20 claims
- 4198US7863210B2Nano-linked metallocene catalyst compositions and their polymer productsCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Jan 4, 2011·53 cites·29 claims
- 4298US7763561B2Compositions that can produce polymersCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Jul 27, 2010·64 cites·20 claims
- 4398US7732542B2Polymerization 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
- 4498US7700516B2Methods of preparing a polymerization catalystCHEVRON PHILLIPS CHEMICAL CO·Filed 2007·Granted Apr 20, 2010·59 cites·20 claims
- 4598US7576163B2Polymerization catalysts for producing polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Aug 18, 2009·53 cites·26 claims
- 4698US7572875B2Ethylene homopolymers or copolymers having good machine direction (MD) elmendorf tear strengthCHEVRON PHILLIPS CHEMICAL CO·Filed 2006·Granted Aug 11, 2009·51 cites·21 claims
- 4798US7312283B2Polymerization catalysts and process for producing bimodal polymers in a single reactorCHEVRON PHILLIPS CHEMICAL CO·Filed 2005·Granted Dec 25, 2007·375 cites·75 claims
- 4898US7163906B2Organochromium/metallocene combination catalysts for producing bimodal resinsCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Jan 16, 2007·114 cites·20 claims
- 4998US7153801B2Aromatization catalyst and methods of making and using sameCHEVRON PHILLIPS CHEMICAL CO·Filed 2003·Granted Dec 26, 2006·116 cites·81 claims
- 5098US7148298B2Polymerization catalysts for producing polymers with low levels of long chain branchingCHEVRON PHILLIPS CHEMICAL CO·Filed 2004·Granted Dec 12, 2006·118 cites·32 claims
Showing the top 50 of 414 patent records by PatentIndex Score.
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