Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066415 | Dishwashing agent | Franz-Josef Dany, Lothar Westermann | 1991-11-19 |
| 4959170 | Rinsing composition free from phosphate | Lothar Westermann | 1990-09-25 |
| 4915865 | Dimensionally stable alkaline cleansing agents of low density, and a process for their preparation | Lothar Westermann, Werner Klose | 1990-04-10 |
| 4743298 | Process and apparatus for separating mercury and red phosphorus from one another | Achim Gassen | 1988-05-10 |
| 4676909 | Process for recovering noble metals from their cyanide complexes | Peter Prestin | 1987-06-30 |
| 4315961 | Production of striking surfaces for matches | Wilhelm Adam, Franz-Josef Dany, Gerd Kalteyer | 1982-02-16 |