Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10011948 | Process for recausticizing green liquor | Walter Ruef, Stefan Raffalt | 2018-07-03 |
| 5594299 | Dispenser cathode with porous sintered compacted metal dispenser body containing chromium oxide | Frank Bossert, Rolf Lotthammer | 1997-01-14 |
| 5318468 | Dispenser cathode and process for preparing it | Rolf Lotthammer, Frank Bossert | 1994-06-07 |
| 4767372 | Process for the production of a porous pressed part | Frank Bossert | 1988-08-30 |