Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338257 | Metallocenes and methods thereof | Matthew W. Holtcamp, Charles J. Harlan, Subramaniam Kuppuswamy, Matthew S. Bedoya | 2025-06-24 |
| 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 |
| 11712687 | Catalyst systems and polymerization processes for using the same | Matthew W. Holtcamp, Kevin A. Stevens, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya | 2023-08-01 |
| 11369949 | Metallocenes with Si—Si bridges | Subramaniam Kuppuswamy, Matthew W. Holtcamp, Matthew S. Bedoya | 2022-06-28 |
| 11306162 | Metallocenes with two -Si-Si- bridges | Subramaniam Kuppuswamy, Matthew W. Holtcamp, Matthew S. Bedoya | 2022-04-19 |
| 11274196 | Polyethylene compositions and films prepared therefrom | Dongming Li, Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders +1 more | 2022-03-15 |
| 11198747 | Catalyst systems including two hafnocene catalyst compounds | Matthew W. Holtcamp, Kevin A. Stevens, Subramaniam Kuppuswamy, Matthew S. Bedoya | 2021-12-14 |
| 10926250 | Catalyst systems and polymerization processes for using the same | Matthew W. Holtcamp, Kevin A. Stevens, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya | 2021-02-23 |
| 10913808 | Mixed catalysts with unbridged hafnocenes with -CH2-SiMe3 moieties | Matthew W. Holtcamp, Matthew S. Bedoya, David F. Sanders, Charles J. Harlan, Ching-Tai Lue +1 more | 2021-02-09 |
| 10882932 | Sterically hindered metallocenes, synthesis and use | Donna J. Crowther, Jacqueline A. Lovell | 2021-01-05 |
| 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 |
| 10808053 | Polyethylene compositions and articles made therefrom | Dongming Li, Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders +2 more | 2020-10-20 |
| 10723819 | Supported catalyst systems and processes for use thereof | Matthew W. Holtcamp, Donna J. Crowther, Subramaniam Kuppuswamy, Matthew S. Bedoya, Ching-Tai Lue +1 more | 2020-07-28 |
| 10717790 | Catalyst composition comprising fluorided support and processes for use thereof | Xuan Ye, Matthew W. Holtcamp, Jo Ann M. Canich, David F. Sanders, Gregory S. Day +1 more | 2020-07-21 |
| 10696758 | Group 4 catalyst compounds and process for use thereof | Subramaniam Kuppuswamy, Matthew W. Holtcamp, David M. Fiscus, Matthew S. Bedoya, Xuan Ye | 2020-06-30 |
| 10640583 | Catalyst composition comprising fluorided support and processes for use thereof | Xuan Ye, Matthew W. Holtcamp, Lubin Luo, Gregory S. Day, Francis C. Rix +3 more | 2020-05-05 |
| 10479846 | Hafnocene catalyst compounds and process for use thereof | — | 2019-11-19 |
| 10414887 | Supported catalyst systems and methods of using same | Xuan Ye, Matthew W. Holtcamp, Gregory S. Day, Matthew S. Bedoya, David F. Sanders | 2019-09-17 |
| 10351647 | Polymerization process using bridged metallocene compounds supported on organoaluminum treated layered silicate supports | Matthew W. Holtcamp, Gregory S. Day, David F. Sanders | 2019-07-16 |
| 10189923 | Producing polyolefin products | Ching-Tai Lue, Francis C. Rix, C. Jeff Harlan | 2019-01-29 |
| 10087268 | Catalysts for the formation of multimodal polymers | Glen E. Alliger | 2018-10-02 |
| 9932423 | Hydrogenation of annulated cyclopentadienyl metal complexes and metallocene catalysts comprising such | — | 2018-04-03 |
| 9809667 | Producing polyolefin products | Ching-Tai Lue, Francis C. Rix, C. Jeff Harlan | 2017-11-07 |
| 9376559 | Reverse staged impact copolymers | Matthew W. Holtcamp, Celestino M. Perez, JR., Sarah J. Mattler | 2016-06-28 |
| 9266977 | Bridged metallocene compounds, catalyst systems and processes for polymerization therewith | — | 2016-02-23 |