Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557907 | Hydrothermal disintegration of calcined aluminum oxide wastes | Peter Christophliemk, Jurgen von Laufenberg, Rudolf Novotny, Siegfried Staller | 1985-12-10 |
| 4545969 | Process for dewatering zeolite suspensions | Edgar Honges, Gunther Just, Heinz Smolka, Willi Wust | 1985-10-08 |
| 4422946 | Calcined .alpha.-alumina filter aids | — | 1983-12-27 |