Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155081 | Platinum-on-graphite catalysts | Wolfgang Hoelderich, Franz-Josef Weiss, Hugo Fuchs, Luc Guns, Gerald Neubauer +1 more | 1992-10-13 |
| 5120699 | Platinum-on-graphite catalysts and the use thereof | Franz-Josef Weiss, Hugo Fuchs, Wolfgang Hoelderich, Luc Guns, Gerald Neubauer +1 more | 1992-06-09 |
| 4895711 | Preparation of hydroxylammonium salts | Werner Biffar, Franz-Josef Weiss | 1990-01-23 |
| 4392984 | Olefin oligomerization catalysts and a process for their preparation | Heinz Engelbach, Helmut Glietenberg | 1983-07-12 |