Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |