Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684097 | Process for preparing polyethylene | Ari Palmroos, Ali Harlin, Jouni Takakarhu, Aimo Sahila | 1997-11-04 |
| 5391654 | Method for homo- or copolymerizing ethene | Kari Sarantila, Henrik Andtsjo | 1995-02-21 |
| 5326835 | Multi-stage process for producing polyethylene | Kari Sarantila, Henrik Andtsjo, Jouni Takakarhu, Ari Palmroos | 1994-07-05 |
| 5179180 | Process for the gas-phase homo- or copolymerization of alpha-olefin with a pretreated catalyst system | Hannu Salminen, Jari Tervonen, Tarja Soderberg | 1993-01-12 |