Issued Patents 2024
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161997 | Aqueous methods for titanating a chromium/silica catalyst | Kathy S. Clear, Eric D. Schwerdtfeger, Jeremy M. Praetorius | 2024-12-10 |
| 12157109 | Methods for making supported chromium catalysts with increased polymerization activity | Kathy S. Clear | 2024-12-03 |
| 12152199 | Solid oxide and chemically-treated solid oxide catalysts for the pyrolysis of polyethylene | David W. Dockter, Kathy S. Clear | 2024-11-26 |
| 12146018 | High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization | Eric D. Schwerdtfeger, Qing Yang, Carlos A. Cruz, Jinping Zhou, Anand Ramanathan +2 more | 2024-11-19 |
| 12134591 | Methanol production from methane utilizing a supported chromium catalyst | Jamie N. Sutherland, James Hillier, Gregory G. Hendrickson | 2024-11-05 |
| 12122857 | Controlling long-chain branch content with dual activator-supports | Graham R. Lief, Qing Yang, Carlos A. Cruz, Yongwoo Inn, Jared L. Barr | 2024-10-22 |
| 12077627 | Aqueous methods for titanating a chromium/silica catalyst with an alkali metal | Anand Ramanathan, Jared L. Barr, Andrew T. Blagg, Christopher E. Wittner, Alan L. Solenberger +2 more | 2024-09-03 |
| 12059672 | Modified supported chromium catalysts and ethylene-based polymers produced therefrom | Masud M. Monwar, Carlos A. Cruz, Jared L. Barr | 2024-08-13 |
| 12053761 | Methods for making supported chromium catalysts with increased polymerization activity | Kathy S. Clear | 2024-08-06 |
| 12043690 | Aqueous titanation of cr/silica catalysts by the use of acetylacetonate and another ligand | Kathy S. Clear, William C. Ellis, Deloris R. Gagan | 2024-07-23 |
| 12043588 | Solid oxide and chemically-treated solid oxide catalysts for the production of polyalphaolefins | Thomas J. Malinski, Steven M. Bischof, Graham R. Lief, Holly A. Ramirez | 2024-07-23 |
| 12037421 | Processes for preparing metallocene-based catalyst systems with an alcohol compound | Qing Yang, Ryan N. Rose, Zhihui Gu | 2024-07-16 |
| 12036542 | Hydrocyclone modification of catalyst system components for use in olefin polymerization | Carlos A. Cruz, Mitchell D. Refvik, Mark Scott | 2024-07-16 |
| 12030975 | Surfactant as titanation ligand | Kathy S. Clear, William C. Ellis, Deloris R. Gagan | 2024-07-09 |
| 12031022 | Dual catalyst system for producing LLDPE and MDPE copolymers with long chain branching for film applications | Errun Ding, Chung Ching Tso, Ashish M. Sukhadia, Youlu Yu, Randall S. Muninger +2 more | 2024-07-09 |
| 12017970 | Transition metal-catalyzed production of alcohol and carbonyl compounds from hydrocarbons | Masud M. Monwar, Jared L. Barr, Carlos A. Cruz, Kathy S. Clear, William C. Ellis | 2024-06-25 |
| 12005425 | Methods of preparing a catalyst with low HRVOC emissions | Kathy S. Clear, Eric D. Schwerdtfeger, Jeremy M. Praetorius | 2024-06-11 |
| 11998902 | Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systems | Kathy S. Clear, Qing Yang, Tony R. Crain | 2024-06-04 |
| 11999814 | Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization | Qing Yang, Ryan N. Rose, Kathy S. Clear, Graham R. Lief, Eric D. Schwerdtfeger +3 more | 2024-06-04 |
| 11999807 | Particle size control of supported chromium catalysts in loop slurry polymerization reactors | Carlton E. Ash, Kathy S. Clear, Eric D. Schwerdtfeger, Carlos A. Cruz, Jeremy M. Praetorius | 2024-06-04 |
| 11999679 | Chromium-catalyzed production of alcohols from hydrocarbons | Carlos A. Cruz, Masud M. Monwar, Jared L. Barr, Kathy S. Clear, William C. Ellis | 2024-06-04 |
| 11976142 | Methods of preparing a catalyst | Eric D. Schwerdtfeger, Jeremy M. Praetorius | 2024-05-07 |
| 11976029 | Chromium-catalyzed production of alcohols from hydrocarbons in the presence of oxygen | Jared L. Barr, Carlos A. Cruz, Masud M. Monwar, Kathy S. Clear | 2024-05-07 |
| 11969718 | Modified supported chromium catalysts and ethylene-based polymers produced therefrom | Masud M. Monwar, Carlos A. Cruz, Jared L. Barr | 2024-04-30 |
| 11945897 | Processes for preparing metallocene-based catalyst systems for the control of long chain branch content | Qing Yang, Tony R. Crain | 2024-04-02 |