Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11325928 | Modified spray-dried Ziegler-Natta (pro)catalyst systems | Wesley R. Mariott, C. Dale Lester, Phuong A. Cao, Nitin Borse | 2022-05-10 |
| 11311870 | Processes for reducing the loss of catalyst activity of a Ziegler-Natta catalyst | Edward F. Smith, George Alan Vaughan, James R. Sollen, Ronald N. Cooke, Sateesh K. Rajput +1 more | 2022-04-26 |
| 11248066 | Spray-dried Ziegler-Natta (pro)catalyst systems | Ian M. Munro, Wesley R. Mariott, C. Dale Lester, Nitin Borse, Phuong A. Cao +1 more | 2022-02-15 |
| 11180582 | Method for improving Ziegler-Natta catalyst activity | Kevin J. Cann, Wesley R. Mariott | 2021-11-23 |
| 10414843 | Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes | Richard B. Pannell | 2019-09-17 |
| 10329364 | Catalyst composition, methods of preparation and use in a polymerization process | Richard B. Pannell, David M. Glowczwski, Chi-I Kuo, Timothy R. Lynn, Fathi David Hussein +2 more | 2019-06-25 |
| 10035868 | Continuity compositions and methods of making and using the same | Richard B. Pannell, David M. Glowczwski, Chi-I Kuo, Timothy R. Lynn, Fathi David Hussein +2 more | 2018-07-31 |
| 9938361 | Methods for preparing catalyst systems with increased productivity | Timothy R. Lynn, F. David Hussein, R. Eric Pequeno, Daniel P. Zilker, Jr., Bruce J. Savatsky | 2018-04-10 |
| 9902790 | Producing polyolefin products | Daniel D. VanderLende, C. Jeff Harlan, Haiqing Peng, Roger L. Kuhlman, Ching-Tai Lue +3 more | 2018-02-27 |
| 9676885 | Continuity compositions and methods of making and using the same | Richard B. Pannell, David M. Glowczwski, Chi-I Kuo, Timothy R. Lynn, F. David Hussein +2 more | 2017-06-13 |
| 9650453 | Methods of integrating aluminoxane production into catalyst production | Randall L. Force, Timothy R. Lynn | 2017-05-16 |
| 8962510 | Continuity additives and their use in polymerization processes | Agapios K. Agapiou, Chi-I Kuo, David M. Glowczwski, Steven Ackerman, Ghanshyam H. Patel | 2015-02-24 |
| 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 |
| 8722820 | Methods for reducing static charge of a catalyst and methods for using the catalyst to produce polyolefins | Maria Apecetche, Maria Pollard, Robert O. Hagerty, Kevin J. Cann, Jose Fernando Cevallos-Candau +1 more | 2014-05-13 |
| 8557935 | Bimetallic catalyst, method of polymerization and bimodal polyolefins therefrom | Sun-Chueh Kao | 2013-10-15 |
| 8222176 | Bimetallic catalyst, method of polymerization and bimodal polyolefins therefrom | Sun-Chueh Kao | 2012-07-17 |
| 8012903 | Methods to prepare catalyst compositions comprising small silica support materials | Maria Apecetche, Phuong A. Cao, Ann M. Schoeb-Wolters, Ryan W. Impelman | 2011-09-06 |
| 7973112 | De-foaming spray dried catalyst slurries | Natarajan Muruganandam, Kersten Anne Terry, John H. Oskam | 2011-07-05 |
| 7566677 | De-foaming spray dried catalyst slurries | Natarajan Muruganandam, Kersten Anne Terry, John H. Oskam | 2009-07-28 |
| 7381780 | Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions | Maria Apecetche, Phuong A. Cao, Ann M. Schoeb-Wolters, Ryan W. Impelman | 2008-06-03 |
| 7276566 | De-foaming spray dried catalyst slurries | Natarajan Muruganandam, Kersten Anne Terry, John H. Oskam | 2007-10-02 |
| 7259125 | Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions | Maria Apecetche, Phuong A. Cao, Ann M. Schoeb-Wolters, Ryan W. Impelman | 2007-08-21 |
| 7172987 | Bimetallic catalyst, method of polymerization and bimodal polyolefins therefrom | Sun-Chueh Kao | 2007-02-06 |
| 6855655 | Supported polymerization catalyst | Burkhard E. Wagner | 2005-02-15 |
| 6713575 | Method for producing highly productive supported ionic catalyst for gas phase polymerization | Xinmin Yang, Natarajan Muruganandam | 2004-03-30 |