Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939943 | Method for deactivating and recovering boron trifluoride when producing polyisobutenes | Thomas Wettling, Dirk Borchers, Hans Peter Rath | 2005-09-06 |
| 6846903 | Method for producing polyisobutylenes | Thomas Wettling, Dirk Borchers, Hans Peter Rath | 2005-01-25 |
| 6710140 | Method for producing polyisobutenes | Thomas Wettling, Dirk Borchers, Hans Peter Rath | 2004-03-23 |
| 6300536 | Catalyst having a zeolitic core and zeolitic layer and the use of the catalyst for olefin oligomerization | Luc R. M. Martens, Johannes Petrus Verduijn | 2001-10-09 |
| 6143942 | Oligomerization and catalysts therefor | Luc R. M. Martens | 2000-11-07 |
| 6013851 | Catalyst having a core and surface layer and use of same in olefin oligomerization | Luc R. M. Martens, Johannes Petrus Verduijn | 2000-01-11 |
| 5910097 | Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides | Walter Boegner, Karl-Ernst Haak, Bernd Krutzsch, Dirk Voigtlaender, Guenter Wenninger +1 more | 1999-06-08 |
| 5874661 | Hydrocarbon treatment | Luc R. M. Martens, Georges Marie Karel Mathys | 1999-02-23 |