Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6503474 | Process for the preparation of anhydrous sodium sulfide | Robert Magiera, Hans Christian Alt, Gerhard Rasig, Jorg Munzenberg, Christoph Batz-Sohn +3 more | 2003-01-07 |