Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815561 | Method for producing DNDA | Rainer Schirra, Leonard Lichtblau | 2004-11-09 |
| 5176895 | Process for the continuous production of sodium azide | Franz-Josef Biermanns, Hans-Heinz Heidbuechel, Ralf Weber | 1993-01-05 |