Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10730964 | Method of making an olefin polymerization catalyst activator | Lixin Sun | 2020-08-04 |
| 9951153 | Method of making an olefin polymerization catalyst activator | Lixin Sun | 2018-04-24 |
| 9902790 | Producing polyolefin products | C. Jeff Harlan, Haiqing Peng, Michael D. Awe, Roger L. Kuhlman, Ching-Tai Lue +3 more | 2018-02-27 |
| 9181368 | High activity, low molecular weight olefin polymerization process | Harold W. Boone, Kevin A. Frazier, Paul C. Vosejpka | 2015-11-10 |
| 8846991 | Liquid and gel-like low molecular weight ethylene polymers | Teresa P. Karjala, Selim Yalvac, Thomas W. Karjala, Brian W. S. Kolthammer, James C. Stevens +1 more | 2014-09-30 |
| 8604145 | High activity, low molecular weight olefin polymerization process | Harold W. Boone, Kevin A. Frazier, Paul C. Vosejpka | 2013-12-10 |
| 8420760 | Long chain branched propylene-alpha-olefin copolymers | Morgan M. Hughes, Patricia Ansems, Carl N. Iverson, Lisa S. Madenjian | 2013-04-16 |
| 8354484 | High temperature solution polymerization process | Wayde V. Konze | 2013-01-15 |
| 8349984 | Polyolefin solution polymerization process and polymer | Wayde V. Konze | 2013-01-08 |
| 8299189 | Ethylene/α-olefin/diene solution polymerization process and polymer | Harold W. Boone, Carl N. Iverson, Wayde V. Konze | 2012-10-30 |
| 8202953 | High efficiency solution polymerization process | Wayde V. Konze, James C. Stevens | 2012-06-19 |
| 8119748 | High activity, low molecular weight olefin polymerization process | Harold W. Boone, Kevin A. Frazier, Paul C. Vosejpka | 2012-02-21 |
| 8101696 | Polyolefin solution polymerization process and polymer | Wayde V. Konze | 2012-01-24 |
| RE43004 | High melt strength polymers and method of making same | Alexander W. Degroot, James C. Stevens, Sylvie Desjardins, Jeffrey D. Weinhold, Edmund M. Carnahan +1 more | 2011-12-06 |
| 8058373 | Polypropylene solution polymerization process | James C. Stevens | 2011-11-15 |
| 7999039 | High melt strength polymers and method of making same | Alexander W. Degroot, James C. Stevens, Sylvie Desjardins, Jeffrey D. Weinhold, Edmund M. Carnahan +1 more | 2011-08-16 |
| RE42276 | High melt strength polymers and method of making same | Alexander W. Degroot, James C. Stevens, Sylvie Desjardins, Jeffrey D. Weinhold, Edmund M. Carnahan +1 more | 2011-04-05 |
| 7897679 | Isotactic propylene copolymers, their preparation and use | James C. Stevens | 2011-03-01 |
| 7795365 | Liquid and gel-like low molecular weight ethylene polymers | Teresa P. Karjala, Selim Yalvac, Thomas W. Karjala, Brian W. S. Kolthammer, James C. Stevens +1 more | 2010-09-14 |
| 7344775 | Isotactic propylene copolymer fibers, their preparation and use | James C. Stevens, Samuel Ethiopia | 2008-03-18 |
| 7300983 | High melt strength polymers and method of making same | Alexander W. Degroot, James C. Stevens, Sylvie Desjardins, Jeffrey D. Weinhold, Edmund M. Carnahan +1 more | 2007-11-27 |
| 7271221 | Method of making interpolymers and products made therefrom | James C. Stevens | 2007-09-18 |
| 7250470 | Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent | James C. Stevens, Patricia Ansems | 2007-07-31 |
| 7250471 | Impact resistance polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers | James C. Stevens, Patricia Ansems | 2007-07-31 |
| 7238759 | Isotactic propylene copolymers, their preparation and use | James C. Stevens | 2007-07-03 |