Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708438 | Method of producing polyethylene and polyethylene thereof | Timothy M. Boller, Ching-Tai Lue, Francis C. Rix, Daniel P. Zilker, Jr., C. Jeff Harlan +3 more | 2023-07-25 |
| 11518825 | Catalyst formulations | Wesley R. Mariott, John F. Szul, Haiqing Peng, Bruce J. Savatsky, Brandon C. Locklear | 2022-12-06 |
| 11302459 | Polyethylene extrudates and methods of making the same | Antonios K. Doufas, Bruce J. Savatsky, Richard E. Pequeno, Giriprasath Gururajan, Nicolas M. De Ketelaere | 2022-04-12 |
| 11230614 | Methods for making polyethylene polymers | Brandon C. Locklear, Haiqing Peng, Bruce J. Savatsky, Daniel P. Zilker, Jr., Robert O. Hagerty +2 more | 2022-01-25 |
| 11034783 | Method of producing polyethylene and polyethylene thereof | Timothy M. Boller, Ching-Tai Lue, Francis C. Rix, Daniel P. Zilker, Jr., C. Jeff Harlan +3 more | 2021-06-15 |
| 10399052 | Methods of controlling polyolefin melt index | Bruce J. Savatsky, Natarajan Muruganandam, Timothy R. Lynn, Daniel P. Zilker, Jr., Fathi David Hussein | 2019-09-03 |
| 10253121 | Method of producing polyethylene and polyethylene thereof | Timothy M. Boller, Ching-Tai Lue, Francis C. Rix, Daniel P. Zilker, Jr., C. Jeff Harlan +3 more | 2019-04-09 |
| 10167351 | Methods of controlling polyolefin melt index while increasing catalyst productivity | Bruce J. Savatsky, Natarajan Muruganandam, Timothy R. Lynn, Daniel P. Zilker, Jr., Fathi David Hussein | 2019-01-01 |
| 10113019 | Methods of changing polyolefin production conditions to mitigate small gels in a polyolefin article | Bruce J. Savatsky, Daniel P. Zilker, Jr. | 2018-10-30 |
| 9850332 | Producing polyolefin products with improved stiffness, toughness, and processability | Ching-Tai Lue, Francis C. Rix, Timothy M. Boller, Garth R. Giesbrecht, Mark G. Goode +4 more | 2017-12-26 |
| 8957167 | Polymerization process using a supported constrained geometry catalyst | F. David Hussein, Kevin J. Cann, F. Gregory Stakem, Ann M. Schoeb-Wolters, Wesley R. Mariott +1 more | 2015-02-17 |
| 8497329 | Methods of controlling polymer properties | Rainer Kolb, John F. Szul, Mark P. Ossowski | 2013-07-30 |
| 8476392 | Polymerization processes using metallocene catalysts, their polymer products and end uses | Rainer Kolb, Agapios K. Agapiou, Eric J. Markel, Bruce J. Savatsky, Christopher R. Davey +1 more | 2013-07-02 |
| 8399581 | Polyethylene films with improved physical properties | John F. Szul, Matthew McKee | 2013-03-19 |
| 8378043 | Ethylene alpha olefin copolymers and polymerization processes for making the same | Blair A. Graham, Mark P. Ossowski, Rainer Kolb | 2013-02-19 |
| 8227552 | Methods of controlling polymer properties | Rainer Kolb, John F. Szul, Mark P. Ossowski | 2012-07-24 |
| 8084560 | Polymerization processes using metallocene catalysts, their polymer products and end uses | Rainer Kolb, Agapios K. Agapiou, Eric J. Markel, Bruce J. Savatsky, Christopher R. Davey +1 more | 2011-12-27 |
| 8067518 | Polymers made with metallocene catalysts, for use in rotomolding and injection molding products | Christopher R. Davey, Rainer Kolb, Mark P. Ossowski | 2011-11-29 |
| 7875690 | Ethylene-alpha olefin copolymers and polymerization processes for making the same | Blair A. Graham, Mark P. Ossowski, Rainer Kolb | 2011-01-25 |
| 7507780 | Polymerization process | Robert O. Hagerty, Kevin B. Stavens, Marc L. DeChellis, D. Brett Fischbuch | 2009-03-24 |
| 7300987 | Polymerization process | Robert O. Hagerty, Kevin B. Stavens, Marc L. DeChellis, D. Brett Fischbuch | 2007-11-27 |
| 7179876 | High tear films from hafnocene catalyzed polyethylenes | John F. Szul, Laughlin G. McCullough, Ryan W. Impelman | 2007-02-20 |
| 7172816 | High tear films from hafnocene catalyzed polyethylenes | John F. Szul, Laughlin G. McCullough, Ryan W. Impelman | 2007-02-06 |
| 7157531 | Methods for producing polymers with control over composition distribution | John F. Szul | 2007-01-02 |
| 7141632 | Mixed metallocene catalyst systems containing a poor comonomer incorporator and a good comonomer incorporator | George Alan Vaughan, John F. Szul, Matthew McKee, Ching-Tai Lue, Sun-Chueh Kao | 2006-11-28 |