Assignee
CHEVRON PHILLIPS CHEMICAL CO LP
US·687 granted patents·97 pending applications·3,006 citations·filing 2012–2025
Top patents by PatentIndex Score
784 records- 0199US11845826B2Processes for preparing metallocene-based catalyst systems for the control of long chain branch contentCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Dec 19, 2023·5 cites·20 claims
- 0299US11814457B2Particle size control of metallocene catalyst systems in loop slurry polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Nov 14, 2023·4 cites·21 claims
- 0399US11673120B2Methods for making supported chromium catalysts with increased polymerization activityCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jun 13, 2023·5 cites·25 claims
- 0499US11634521B2Particle size control of metallocene catalyst systems in loop slurry polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Apr 25, 2023·4 cites·34 claims
- 0599US11492430B2Particle size control of metallocene catalyst systems in loop slurry polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Nov 8, 2022·10 cites·26 claims
- 0699US11420196B2Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Aug 23, 2022·15 cites·20 claims
- 0799US11383222B2Methods of preparing a catalyst with low HRVOC emissionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jul 12, 2022·7 cites·20 claims
- 0899US11326005B1Particle size control of metallocene catalyst systems in loop slurry polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted May 10, 2022·4 cites·22 claims
- 0999US11325997B1Particle size control of supported chromium catalysts in loop slurry polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted May 10, 2022·9 cites·22 claims
- 1099US11267919B2Dual catalyst system for producing polyethylene with long chain branching for blow molding applicationsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Mar 8, 2022·11 cites·20 claims
- 1199US11208514B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 28, 2021·8 cites·24 claims
- 1299US11186662B1Metallocene catalyst systems with chemically-treated solid oxides for producing ethylene-based plastomers and elastomersCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Nov 30, 2021·9 cites·20 claims
- 1399US11124586B1Particle size control of metallocene catalyst systems in loop slurry polymerization reactorsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 21, 2021·19 cites·29 claims
- 1499US10919996B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Feb 16, 2021·17 cites·21 claims
- 1599US10858459B2Chromium (III) catalyst systems with activator-supportsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 8, 2020·11 cites·26 claims
- 1699US10858460B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 8, 2020·8 cites·21 claims
- 1799US10676553B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Jun 9, 2020·13 cites·23 claims
- 1899US10513570B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Dec 24, 2019·34 cites·13 claims
- 1999US10435336B2Olefin compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2018·Granted Oct 8, 2019·34 cites·20 claims
- 2099US10323109B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Jun 18, 2019·39 cites·24 claims
- 2199US10239975B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Mar 26, 2019·22 cites·23 claims
- 2299US10065367B2Phonon generation in bulk material for manufacturingCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Sep 4, 2018·115 cites·9 claims
- 2399US10040239B2System and method for writing an article of manufacture into bulk materialCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Aug 7, 2018·117 cites·18 claims
- 2499US9745230B2Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blendsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Aug 29, 2017·28 cites·18 claims
- 2599US9670296B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Jun 6, 2017·29 cites·20 claims
- 2698US12053761B2Methods for making supported chromium catalysts with increased polymerization activityCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Aug 6, 2024·1 cites·11 claims
- 2798US11998902B2Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Jun 4, 2024·2 cites·21 claims
- 2898US11945897B2Processes for preparing metallocene-based catalyst systems for the control of long chain branch contentCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Apr 2, 2024·2 cites·22 claims
- 2998US11920089B1Solid oxide and chemically-treated solid oxide catalysts for the pyrolysis of polyethyleneCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Mar 5, 2024·10 cites·22 claims
- 3098US11845815B2Multiple reactor and multiple zone polyolefin polymerizationCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Dec 19, 2023·1 cites·20 claims
- 3198US11731122B2Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Aug 22, 2023·2 cites·26 claims
- 3298US11583841B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Feb 21, 2023·2 cites·20 claims
- 3398US11583840B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Feb 21, 2023·2 cites·20 claims
- 3498US11578156B2Dual metallocene polyethylene with improved processability for lightweight blow molded productsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Feb 14, 2023·10 cites·20 claims
- 3598US11542348B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jan 3, 2023·2 cites·20 claims
- 3698US11479726B2Circular chemicals or polymers from pyrolyzed plastic waste and the use of mass balance accounting to allow for crediting the resultant products as circularCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Oct 25, 2022·13 cites·33 claims
- 3798US11440864B2Chromium-catalyzed production of alcohols from hydrocarbonsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Sep 13, 2022·4 cites·21 claims
- 3898US11384171B2Surfactant as titanation ligandCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jul 12, 2022·7 cites·21 claims
- 3998US11358914B2Ethylene oligomerization processesCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jun 14, 2022·5 cites·23 claims
- 4098US11339279B2Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applicationsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted May 24, 2022·16 cites·34 claims
- 4198US11332601B2Dual component LLDPE copolymers with improved impact and tear resistance, and methods of their preparationCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted May 17, 2022·7 cites·21 claims
- 4298US11267909B2Oligomerization catalyst system activation and related ethylene oligomerization processes and reaction systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Mar 8, 2022·8 cites·20 claims
- 4398US11180435B2Chromium-catalyzed production of alcohols from hydrocarbonsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Nov 23, 2021·15 cites·28 claims
- 4498US11117122B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 14, 2021·4 cites·9 claims
- 4598US11110443B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 7, 2021·5 cites·7 claims
- 4698US11078143B2Chromium-catalyzed production of alcohols from hydrocarbonsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Aug 3, 2021·4 cites·21 claims
- 4798US11014997B2Dual catalyst system for producing high density polyethylenes with long chain branchingCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted May 25, 2021·14 cites·23 claims
- 4898US10988557B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Apr 27, 2021·3 cites·20 claims
- 4998US10894250B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jan 19, 2021·9 cites·20 claims
- 5098US10894249B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jan 19, 2021·8 cites·23 claims
Showing the top 50 of 784 patent records by PatentIndex Score.
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