Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658840 | Preparation of Ziegler-Natta type catalyst systems | Peter Kölle, Patrik Müller, Erich Kolk | 1997-08-19 |
RH
Rainer Hemmerich
Overall (1997): #91,294 of 185,788Top 50%
1
Patents 1997