Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826978 | Device and method for controlling pressure in a flowing viscous mass within a system for processing cellulose solutions | Stefan Zikeli, Friedrich Ecker, Ernst Rauch | 1998-10-27 |
| 5766530 | Process for the production of cellulose moulded bodies | Wolfram Kalt, Johann Manner, Heinrich Firgo, Christian Hager, Wolfgang Helmut Schkorwaga | 1998-06-16 |
| 5628941 | Process for the production of cellulose moulded bodies | Wolfram Kalt, Heinrich Firgo, Johann Manner, Eduard Mulleder, Bruno Mangeng +2 more | 1997-05-13 |