Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670589 | Organoaluminoxy product, catalyst systems, preparation, and use | Rolf L. Geerts, M. Bruce Welch, Syriac J. Palackal, Helmut G. Alt, Bernd Peifer | 1997-09-23 |
| 5616752 | Metallocenes and processes therefor and therewith | Konstantinos Patsidis, Bernd Peifer, Helmut G. Alt, Rolf L. Geerts, Darryl R. Fahey +2 more | 1997-04-01 |