Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336234 | Preparation of storage-stable, pumpable and pourable aluminosilicate suspensions by wet milling | Bernd Leutner, Hans-Ulrich Schlimper, Dieter Roth, Ludwig Kreitner | 1982-06-22 |
| 4305843 | Preparation of coated catalysts | Richard Krabetz, Heinz Engelbach, Peter Palm, Walter Herrmann | 1981-12-15 |
| 4297247 | Preparation of coated catalysts | Richard Krabetz, Walter Herrmann, Heinz Engelbach, Peter Palm, Karl Sommer | 1981-10-27 |