Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893175 | Ziegler-natta catalyst, preparation, and use for the polymerization of alkenes | Frank Wolf Spaether | 2011-02-22 |
| 7329626 | Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes | Frank Wolf Spaether | 2008-02-12 |