Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416202 | Ziegler-Natta catalyst systems and polymers formed therefrom | David Knoeppel, Lei Zhang | 2016-08-16 |
| 8592535 | Ziegler-natta catalyst systems and polymers formed therefrom | David Knoeppel, Lei Zhang | 2013-11-26 |
| 8063159 | Process for controlling morphology of Ziegler-Natta catalysts | Henry Enriquez, Steven D. Gray, Tim Coffy, David Knoeppel | 2011-11-22 |
| 8003741 | Ziegler-Natta catalyst | David Knoeppel | 2011-08-23 |
| 7943545 | Polyethylene materials prepared using mixed ziegler-natta catalyst systems | Vincent Barre, Steven D. Gray | 2011-05-17 |
| 7786237 | Polyethylene materials prepared using mixed ziegler-natta catalysts systems | Vincent Barre, Steven D. Gray | 2010-08-31 |
| 7655590 | Ziegler-Natta catalyst for particle size control | Henry Enriquez, Steven D. Gray | 2010-02-02 |
| 7473664 | Formation of Ziegler-Natta catalyst | David Knoeppel, Steven D. Gray, David Rauscher, Tim Coffy, Henry Enriquez | 2009-01-06 |