Issued Patents All Time
Showing 201–225 of 537 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9102768 | Cyclobutylidene-bridged metallocenes and catalyst systems containing the same | Jeremy M. Praetorius, Carlos A. Cruz, Qing Yang, Jared L. Barr | 2015-08-11 |
| 9096699 | Methods of preparing a catalyst | Kathy S. Collins | 2015-08-04 |
| 9073029 | System and method for deterring fouling in a polymerization reactor | Albert P. Masino, Randall S. Muninger, Eric D. Schwerdtfeger, Qing Yang, Graham R. Lief | 2015-07-07 |
| 9068027 | Methods of preparing a polymerization catalyst | Kathy S. Collins | 2015-06-30 |
| 9034994 | Systems and methods for real-time catalyst particle size control in a polymerization reactor | Joel A. Mutchler | 2015-05-19 |
| 9023967 | Long chain branched polymers and methods of making same | Youlu Yu, Eric D. Schwerdtfeger, Alan L. Solenberger, Kathy S. Collins | 2015-05-05 |
| 9023959 | Methods for producing fluorided-chlorided silica-coated alumina activator-supports and catalyst systems containing the same | Uriah J. Kilgore, Qing Yang, Kathy S. Collins | 2015-05-05 |
| 9006367 | Low density polyolefin resins and films made therefrom | Ashish M. Sukhadia, Errun Ding, Chung Ching Tso, Albert P. Masino, Qing Yang +3 more | 2015-04-14 |
| 8992840 | Multiple component feed methods and systems | David H. Burns, Donald W. Verser, Elizabeth A. Benham, John D. Hottovy, Dale A. Zellers +7 more | 2015-03-31 |
| 8987392 | High activity catalyst compositions containing silicon-bridged metallocenes with bulky substituents | Joel L. Martin, Qing Yang, Jim B. Askew | 2015-03-24 |
| 8957168 | Methods for controlling dual catalyst olefin polymerizations with an alcohol compound | Qing Yang, Tony R. Crain, Albert P. Masino, Ted H. Cymbaluk, John D. Stewart | 2015-02-17 |
| 8940844 | Methods for terminating olefin polymerizations | Qing Yang, Tony R. Crain, Kathy S. Collins | 2015-01-27 |
| 8932975 | Catalyst systems and methods of making and using same | Qing Yang, Joel L. Martin, Errun Ding, David C. Rohlfing, Tony R. Crain | 2015-01-13 |
| 8933175 | Hyperbranched polymers and methods of making and using same | Youlu Yu, Chung Ching Tso, David C. Rohlfing, Paul J. DesLauriers, Melvin Hildebrand +1 more | 2015-01-13 |
| 8916494 | Vapor phase preparation of fluorided solid oxides | Kathy S. Collins, Qing Yang, Tony R. Crain | 2014-12-23 |
| 8912285 | Catalyst system with three metallocenes for producing broad molecular weight distribution polymers | Qing Yang, Tony R. Crain, Youlu Yu, Yongwoo Inn | 2014-12-16 |
| 8852748 | Polyethylene film having improved barrier properties and methods of making same | Ashish M. Sukhadia, Ted H. Cymbaluk, Rajendra K. Krishnaswamy, Lawrence Szmutko | 2014-10-07 |
| 8846841 | Catalyst compositions for producing high Mz/Mw polyolefins | Qing Yang, William B. Beaulieu, Joel L. Martin, Tony R. Crain | 2014-09-30 |
| 8809472 | Process of melt index control | Elizabeth A. Benham, Charles R. Nease | 2014-08-19 |
| 8809219 | Catalyst and process for producing a polymer containing a high molecular weight tail | Qing Yang, Tony R. Crain | 2014-08-19 |
| 8790579 | Continuous catalyst activator | Elizabeth A. Benham, Ted H. Cymbaluk, Charles K. Newsome, Charles R. Nease, H. Kenneth Staffin +1 more | 2014-07-29 |
| 8759459 | Additives to chromium catalyst mix tank | Elizabeth A. Benham, Kathy S. Collins | 2014-06-24 |
| 8703886 | Dual activator-support catalyst systems | Qing Yang, Tony R. Crain, Kathy S. Collins | 2014-04-22 |
| 8703883 | Systems and methods for real-time catalyst particle size control in a polymerization reactor | Joel A. Mutchler | 2014-04-22 |
| 8697599 | Methods of preparing a polymerization catalyst | Elizabeth A. Benham, Kathy S. Collins, Stephen M. Wharry | 2014-04-15 |