Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344686 | Broad orthogonal distribution polyethylenes for films | Matthew W. Holtcamp, Timothy M. Boller, Hasnain Rangwalla, David F. Sanders, Ching-Tai Lue +4 more | 2025-07-01 |
| 12338257 | Metallocenes and methods thereof | Matthew W. Holtcamp, Charles J. Harlan, Subramaniam Kuppuswamy, Laughlin G. McCullough | 2025-06-24 |
| 12091476 | On-line adjustment of catalysts by trim and olefin polymerization | Kevin A. Stevens, David F. Sanders, Matthew W. Holtcamp, Charles J. Harlan, Xuan Ye +2 more | 2024-09-17 |
| 12043679 | On-line adjustment of mixed catalyst ratio by trim and olefin polymerization with the same | Kevin A. Stevens, David F. Sanders, Matthew W. Holtcamp, Charles J. Harlan, Xuan Ye +2 more | 2024-07-23 |
| 11787881 | Polyethylene compositions and films prepared therefrom | Adriana S. Silva, Dongming Li, Ching-Tai Lue, Matthew W. Holtcamp, Subramaniam Kuppuswamy +2 more | 2023-10-17 |
| 11718635 | Iron bis(imino) aryl catalysts and methods thereof | Matthew W. Holtcamp, Robert L. Halbach, Subramaniam Kuppuswamy | 2023-08-08 |
| 11712687 | Catalyst systems and polymerization processes for using the same | Matthew W. Holtcamp, Kevin A. Stevens, Laughlin G. McCullough, David F. Sanders, Subramaniam Kuppuswamy | 2023-08-01 |
| 11629209 | Supported catalyst systems and methods of using same | Rohan A. Hule, Antonios K. Doufas, Derek W. Thurman, Crisita Carmen H. Atienza, Matthew W. Holtcamp +1 more | 2023-04-18 |
| 11370860 | Supported catalyst systems and methods of using same | Rohan A. Hule, Antonios K. Doufas, Derek W. Thurman, Crisita Carmen H. Atienza, Matthew W. Holtcamp +1 more | 2022-06-28 |
| 11369949 | Metallocenes with Si—Si bridges | Subramaniam Kuppuswamy, Matthew W. Holtcamp, Laughlin G. McCullough | 2022-06-28 |
| 11306162 | Metallocenes with two -Si-Si- bridges | Subramaniam Kuppuswamy, Matthew W. Holtcamp, Laughlin G. McCullough | 2022-04-19 |
| 11274196 | Polyethylene compositions and films prepared therefrom | Dongming Li, Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, Laughlin G. McCullough +1 more | 2022-03-15 |
| 11198747 | Catalyst systems including two hafnocene catalyst compounds | Matthew W. Holtcamp, Laughlin G. McCullough, Kevin A. Stevens, Subramaniam Kuppuswamy | 2021-12-14 |
| 11186601 | Metallocene compounds having appended Lewis acids and polymerization therewith | Matthew W. Holtcamp, Charles J. Harlan, Subramaniam Kuppuswamy, Kevin A. Stevens | 2021-11-30 |
| 11034827 | Heterophasic copolymers and polymerization methods | Lubin Luo, Xin Chen, Yen-Hao Lin, Anupriya Jain, Medrado M. Leal +3 more | 2021-06-15 |
| 10934376 | Polyethylene compositions and films made therefrom | Dongming Li, Matthew W. Holtcamp, Ching-Tai Lue, Adriana S. Silva, David F. Sanders +1 more | 2021-03-02 |
| 10927202 | Polyethylene compositions and articles made therefrom | Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders, Ryan W. Impelman +4 more | 2021-02-23 |
| 10926250 | Catalyst systems and polymerization processes for using the same | Matthew W. Holtcamp, Kevin A. Stevens, Laughlin G. McCullough, David F. Sanders, Subramaniam Kuppuswamy | 2021-02-23 |
| 10927203 | Polyethylene compositions and articles made therefrom | Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders, Ryan W. Impelman +5 more | 2021-02-23 |
| 10927204 | Iron tridentate carbene single site catalysts | Matthew W. Holtcamp, Subramaniam Kuppuswamy | 2021-02-23 |
| 10913808 | Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties | Matthew W. Holtcamp, Laughlin G. McCullough, David F. Sanders, Charles J. Harlan, Ching-Tai Lue +1 more | 2021-02-09 |
| 10865258 | Mixed catalyst systems containing bridged metallocenes with a pendant group 13 element, processes for making a polymer product using same, and products made from same | Matthew W. Holtcamp, Subramaniam Kuppuswamy, Kevin A. Stevens, Ching-Tai Lue, Hasnain Rangwalla | 2020-12-15 |
| 10851187 | Bridged metallocene catalysts with a pendant group 13 element, catalyst systems containing same, processes for making a polymer product using same, and products made from same | Matthew W. Holtcamp, Subramaniam Kuppuswamy, Kevin A. Stevens | 2020-12-01 |
| 10844150 | Mixed catalysts with 2,6-bis(imino)pyridyl iron complexes and bridged hafnocenes | Matthew W. Holtcamp, Xuan Ye, Charles J. Harlan, Michelle E. Titone, Subramaniam Kuppuswamy +1 more | 2020-11-24 |
| 10822434 | Catalyst systems and polymerization processes for using the same | Matthew W. Holtcamp, Dongming Li, Ching-Tai Lue, Adriana S. Silva, David F. Sanders +2 more | 2020-11-03 |