Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658840 | Preparation of Ziegler-Natta type catalyst systems | Patrik Müller, Rainer Hemmerich, Erich Kolk | 1997-08-19 |
PK
Peter Kölle
Overall (1997): #93,974 of 185,788Top 55%
1
Patents 1997