Issued Patents All Time
Showing 25 most recent of 174 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378497 | Polypropylene viscosity modifiers and lubricating oils thereof | Jingwen Zhang, John R. Hagadorn, Peijun Jiang | 2025-08-05 |
| 12344696 | Process to produce low viscosity polyalphaolefins using non-aromatic-hydrocarbon soluble activators | Jian Yang, Jennifer L. Rapp, Catherine A. Faler, Margaret T. Whalley | 2025-07-01 |
| 12305028 | High propylene content EP having low glass transition temperatures | Zhifeng Bai, Jingwen Zhang, Peijun Jiang, Adrian G. Barry, Chase A. Eckert +1 more | 2025-05-20 |
| 12162968 | Catalyst systems and processes for poly alpha-olefin having high vinylidene content | Jian Yang, Hua Zhou, Jennifer L. Rapp | 2024-12-10 |
| 12006423 | Methods of making polymer compositions with enhanced elasticity by employing VTP and HMP catalyst systems in parallel processes | Francis C. Rix, Rainer Kolb | 2024-06-11 |
| 11926802 | Lubricating oil composition with viscosity modifier based on syndiotactic propylene-based ethylene- propylene copolymers with improved properties | Sara Yue Zhang, Maryam Sepehr, David L. Morgan, Jingwen Zhang, Peijun Jiang +5 more | 2024-03-12 |
| 11766669 | Hexahydrocyclopenta[e]-as-indacen-1-yl and octahydrobenzo[e]-as-indacen-1-yl based catalyst complexes and process for use thereof | Vyatcheslav V. Izmer, Dmitry S. Kononovich, Alexander Z. Voskoboynikov | 2023-09-26 |
| 11739169 | Solubility improvement of non-metallocene transition metal complexes in aliphatic hydrocarbon solvents | John R. Hagadorn, Peijun Jiang, Francis C. Rix, Charles J. Harlan | 2023-08-29 |
| 11738334 | Supported catalyst systems and processes for use thereof | Matthew W. Holtcamp, Dongming Li, Kevin A. Stevens, John R. Hagadorn, Ramyaa Mathialagan +1 more | 2023-08-29 |
| 11732063 | Lewis base catalysts and methods thereof | Georgy P. Goryunov, Mikhail I. Sharikov, Vladislav A. Popov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov +1 more | 2023-08-22 |
| 11680121 | Catalyst systems and processes for poly alpha-olefin having high vinylidene content | Jian Yang, Hua Zhou, Jennifer L. Rapp | 2023-06-20 |
| 11661465 | Dimer selective metallocene catalysts, non-aromatic hydrocarbon soluble activators, and processes to produce poly alpha-olefin oligmers therewith | Jennifer L. Rapp, Patrick C. Chen, Mark H. Li, Jian Yang, Catherine A. Faler +2 more | 2023-05-30 |
| 11613593 | Ansa-bis(inden-2-yl) catalysts for producing vinylidene-terminated polyalphaolefins | Jian Yang, Alexander Z. Voskoboynikov, Andrey F. Asachenko, Oleg V. Samsonov, Georgy P. Goryunov | 2023-03-28 |
| 11597782 | Processes for producing high propylene content PEDM using tetrahydroindacenyl catalyst systems | John R. Hagadorn, Rhutesh K. Shah, Florin Barsan, Sarah J. Mattler | 2023-03-07 |
| 11578155 | Ethylene-propylene linear copolymers as viscosity modifiers | Jingwen Zhang, John R. Hagadorn, Rainer Kolb, Maksim Shivokhin, Peijun Jiang +1 more | 2023-02-14 |
| 11479625 | Ethylene-propylene branched copolymers as viscosity modifiers with enhanced fuel economy | Jingwen Zhang, John R. Hagadorn, Peijun Jiang, Britni J. Brobey, Maksim Shivokhin | 2022-10-25 |
| 11466102 | Processes for producing high propylene content PEDM having low glass transition temperatures using tetrahydroindacenyl catalyst systems | John R. Hagadorn, Rhutesh K. Shah, Florin Barsan, Sarah J. Mattler, Chase A. Eckert +1 more | 2022-10-11 |
| 11421050 | Long chain branched polypropylene via polymerization with aluminum vinyl transfer agent | John R. Hagadorn, Peijun Jiang, Maksim Shivokhin | 2022-08-23 |
| 11390704 | Ethylene copolymer blends for cross-linking applications | Narayanaswami Dharmarajan, Francis C. Rix, Danica L. Nguyen, Peijun Jiang, Rhutesh K. Shah | 2022-07-19 |
| 11352451 | Dual metallocene catalyst copolymer compositions | Francis C. Rix, Rhutesh K. Shah, Rainer Kolb, Peijun Jiang, Periagaram S. Ravishankar +1 more | 2022-06-07 |
| 11345766 | Tetrahydro-as-indacenyl catalyst composition, catalyst system, and processes for use thereof | Vyatcheslav V. Izmer, Dmitry S. Kononovich, Alexander Z. Voskoboynikov | 2022-05-31 |
| 11299567 | Lubricating oil compositions comprising dual metallocene-catalyzed bimodal copolymer compositions useful as viscosity modifiers | Jingwen Zhang, Rainer Kolb, Andy H. Tsou, Periagaram S. Ravishankar, Francis C. Rix | 2022-04-12 |
| 11254763 | Transition metal bis(phenolate) complexes and their use as catalysts for olefin polymerization | Georgy P. Goryunov, Mikhail I. Sharikov, Vladislav A. Popov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov +4 more | 2022-02-22 |
| 11248070 | Lewis base catalysts and methods thereof | Georgy P. Goryunov, Vladislav A. Popov, Dmitry V. Uborsky, Alexander Z. Voskoboynikov, John R. Hagadorn +1 more | 2022-02-15 |
| 11225539 | Supported transition metal bis(phenolate) complexes and their use as catalysts for olefin polymerization | Charles J. Harlan, Nikola S. Lambic, John R. Hagadorn | 2022-01-18 |