Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5766443 | Process of preparing solutions of alkali peroxide and percarbonate | Ulrich Sander | 1998-06-16 |
| 5702585 | Process of preparing alkali peroxide solutions | Manfred Kienberger, Ulrich Sander | 1997-12-30 |
| 5637206 | Process for the electrochemical production of ammonium polysulfide | Nikola Anastasijevic, Karl Lohrberg, Gert Ungar | 1997-06-10 |
| 5431877 | Process for decreasing the corrosiveness of a sour water | Volker Brucken, Gert Ungar, Hans-Martin Stonner, Ernst Stoldt, Johann Schlauer +1 more | 1995-07-11 |
| 5308465 | Membrane for a gas diffusion electrode, process of manufacturing the membrane, and gas diffusion electrode provided with the membrane | Ulrich Sander | 1994-05-03 |