Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618467 | Method for sealing cavities | Hans-Joachim Burger | 1986-10-21 |
| 4410444 | Process for the production of a stable per salt | Gerd Knippschild, Hans Klebe | 1983-10-18 |
| 4194025 | Process for the production of stabilized sodium percarbonate | Hans Klebe, Gerd Knippschild | 1980-03-18 |