Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291759 | Oligomerization of alkenes in a plurality of successive heterogeneous catalyst zones | Thomas Heidemann | 2007-11-06 |
| 5728317 | Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use | Gerhard Laqua, Franz Merger, Tom Witzel, David Agar | 1998-03-17 |