Inventor · disambiguated record

Kathy S. Clear

Also filed as: CLEAR KATHY S

103 granted patents·3 pending applications·876 citations·filing 2010–2024

99Inventor score

Technology areasC08F B01J C07C C01P C10G

Files withCHEVRON PHILLIPS CHEMICAL CO LP103 MCDANIEL MAX P2 CHEVRON PHILLIPS CHEMICAL CO1

Top patents by PatentIndex Score

106 records

0199US11814457B2Particle 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
0299US11673120B2Methods for making supported chromium catalysts with increased polymerization activityCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jun 13, 2023·5 cites·25 claims
0399US11634521B2Particle 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
0499US11492430B2Particle 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
0599US11420196B2Processes 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
0699US11383222B2Methods of preparing a catalyst with low HRVOC emissionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jul 12, 2022·7 cites·20 claims
0799US11326005B1Particle 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
0899US11325997B1Particle 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
0999US11208514B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 28, 2021·8 cites·24 claims
1099US11124586B1Particle 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
1199US10919996B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Feb 16, 2021·17 cites·21 claims
1299US10858459B2Chromium (III) catalyst systems with activator-supportsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 8, 2020·11 cites·26 claims
1399US10858460B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Dec 8, 2020·8 cites·21 claims
1499US10676553B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Jun 9, 2020·13 cites·23 claims
1599US10513570B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Dec 24, 2019·34 cites·13 claims
1699US10323109B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Jun 18, 2019·39 cites·24 claims
1799US10239975B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Mar 26, 2019·22 cites·23 claims
1899US9670296B2Silica-coated alumina activator-supports for metallocene catalyst compositionsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Jun 6, 2017·29 cites·20 claims
1998US12053761B2Methods for making supported chromium catalysts with increased polymerization activityCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Aug 6, 2024·1 cites·11 claims
2098US11998902B2Processes 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
2198US11920089B1Solid 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
2298US11731122B2Processes 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
2398US11583841B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Feb 21, 2023·2 cites·20 claims
2498US11583840B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Feb 21, 2023·2 cites·20 claims
2598US11542348B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2022·Granted Jan 3, 2023·2 cites·20 claims
2698US11384171B2Surfactant as titanation ligandCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2021·Granted Jul 12, 2022·7 cites·21 claims
2798US11180435B2Chromium-catalyzed production of alcohols from hydrocarbonsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Nov 23, 2021·15 cites·28 claims
2898US11117122B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 14, 2021·4 cites·9 claims
2998US11110443B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Sep 7, 2021·5 cites·7 claims
3098US10988557B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Apr 27, 2021·3 cites·20 claims
3198US10894250B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jan 19, 2021·9 cites·20 claims
3298US10894249B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jan 19, 2021·8 cites·23 claims
3398US10889664B2Surfactant as titanation ligandCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Jan 12, 2021·13 cites·18 claims
3498US10858456B1Aqueous titanation of Cr/silica catalysts by the use of acetylacetonate and another ligandCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Dec 8, 2020·13 cites·18 claims
3598US10722874B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2020·Granted Jul 28, 2020·25 cites·17 claims
3698US10669362B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2019·Granted Jun 2, 2020·12 cites·20 claims
3798US10543480B2Methods of preparing a catalyst utilizing hydrated reagentsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2018·Granted Jan 28, 2020·35 cites·20 claims
3898US10323108B2Long chain branched polymers and methods of making sameCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Jun 18, 2019·25 cites·28 claims
3998US10287369B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted May 14, 2019·57 cites·20 claims
4098US10213766B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Feb 26, 2019·58 cites·14 claims
4198US9988468B2Methods of preparing a catalystCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Jun 5, 2018·67 cites·29 claims
4298US9879101B2Long chain branched polymers and methods of making sameCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2017·Granted Jan 30, 2018·23 cites·22 claims
4398US9598513B2Long chain branched polymers and methods of making sameCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2015·Granted Mar 21, 2017·32 cites·20 claims
4498US9505856B1Methods for making fluorided chromium (VI) catalysts, and polymerization processes using the sameCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2016·Granted Nov 29, 2016·20 cites·19 claims
4598US9365667B2Methods 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
4698US9346896B2Silica-coated alumina activator-supports for metallocene catalyst compositionsMCDANIEL MAX P·Filed 2010·Granted May 24, 2016·39 cites·18 claims
4797US12350650B2Methods for making supported chromium catalysts with increased polymerization activityCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2024·Granted Jul 8, 2025·1 cites·24 claims
4897US12246312B2Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systemsCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2024·Granted Mar 11, 2025·1 cites·19 claims
4997US12157109B2Methods for making supported chromium catalysts with increased polymerization activityCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Dec 3, 2024·1 cites·19 claims
5097US11912809B2High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerizationCHEVRON PHILLIPS CHEMICAL CO LP·Filed 2023·Granted Feb 27, 2024·5 cites·16 claims

Showing the top 50 of 106 patent records by PatentIndex Score.

Join the waitlist — get patent alerts

Get an alert when Kathy S. Clear files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →