ES

Eric D. Schwerdtfeger

Chevron: 75 patents #20 of 4,788Top 1%
Overall (All Time): #25,478 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 25 most recent of 75 patents

Patent #TitleCo-InventorsDate
12351670 Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization Max P. McDaniel, Qing Yang, Ryan N. Rose, Kathy S. Clear, Graham R. Lief +3 more 2025-07-08
12319774 Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors Max P. McDaniel, Jeffrey S. Lowell, Scott E. Kufeld 2025-06-03
12319770 High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization Max P. McDaniel, Qing Yang, Carlos A. Cruz, Jinping Zhou, Anand Ramanathan +2 more 2025-06-03
12161997 Aqueous methods for titanating a chromium/silica catalyst Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2024-12-10
12146018 High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization Max P. McDaniel, Qing Yang, Carlos A. Cruz, Jinping Zhou, Anand Ramanathan +2 more 2024-11-19
12037483 Polymer composition and methods of making and using same Youlu Yu, Jeffrey S. Fodor, David A. Soules 2024-07-16
12024479 Methods for operating ethylene oligomerization reactor systems with an integrated ultrasonic flow meter Bruce E. Kreischer, Kendall M. Hurst, Steven M. Bischof, Jared T. Fern, Kent E. Mitchell +1 more 2024-07-02
12005425 Methods of preparing a catalyst with low HRVOC emissions Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2024-06-11
11999814 Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization Max P. McDaniel, Qing Yang, Ryan N. Rose, Kathy S. Clear, Graham R. Lief +3 more 2024-06-04
11999807 Particle size control of supported chromium catalysts in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius 2024-06-04
11976142 Methods of preparing a catalyst Max P. McDaniel, Jeremy M. Praetorius 2024-05-07
11912809 High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization Max P. McDaniel, Qing Yang, Carlos A. Cruz, Jinping Zhou, Anand Ramanathan +2 more 2024-02-27
11814457 Particle size control of metallocene catalyst systems in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius 2023-11-14
11814449 Particle size control of supported chromium catalysts in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius +1 more 2023-11-14
11801490 Methods of preparing a catalyst Jeremy M. Praetorius, Max P. McDaniel, Ted H. Cymbaluk, Connor D. Boxell, Alan L. Solenberger +1 more 2023-10-31
11753356 Methods for operating ethylene oligomerization reactor systems with an integrated ultrasonic flow meter Bruce E. Kreischer, Kendall M. Hurst, Steven M. Bischof, Jared T. Fern, Kent E. Mitchell +1 more 2023-09-12
11697697 Methods of preparing a catalyst Max P. McDaniel, Jeremy M. Praetorius 2023-07-11
11674023 Polymer composition and methods of making and using same Youlu Yu, Jeffrey S. Fodor, David A. Soules 2023-06-13
11634521 Particle size control of metallocene catalyst systems in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius 2023-04-25
11583840 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2023-02-21
11583841 Methods of preparing a catalyst utilizing hydrated reagents Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius, Mitchell D. Refvik, Mark L. Hlavinka 2023-02-21
11572324 Methods for operating ethylene oligomerization reactor systems with an integrated ultrasonic flow meter Bruce E. Kreischer, Kendall M. Hurst, Steven M. Bischof, Jared T. Fern, Kent E. Mitchell +1 more 2023-02-07
11542348 Methods of preparing a catalyst Max P. McDaniel, Kathy S. Clear, Jeremy M. Praetorius 2023-01-03
11512154 Particle size control of supported chromium catalysts in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius 2022-11-29
11492430 Particle size control of metallocene catalyst systems in loop slurry polymerization reactors Max P. McDaniel, Carlton E. Ash, Kathy S. Clear, Carlos A. Cruz, Jeremy M. Praetorius 2022-11-08