Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607639 | Process for the preparation of cellulose sheet | Stefan Zikeli, Friedrich Ecker, Ernst Rauch, Anton Sch onberg | 1997-03-04 |
| 4829043 | Silver catalyst and a process for its preparation | Karl-Heinz Boehning, Wolf D. Mross, Matthias Schwarzmann, Hans-Juergen Becker, Juergen Plueckhan | 1989-05-09 |
| 4740493 | Silver catalyst and its preparation | Karl-Heinz Boehning, Wolf D. Mross, Matthias Schwarzmann, Hans-Juergen Becker, Juergen Plueckhan | 1988-04-26 |