Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6265592 | Method for the continuous production of 1,3-dioxolan-2-ones | Stefan Birnbach, Toni Dockner, Jurgen Mohr, Regina Benfer, Jarren Peters +3 more | 2001-07-24 |
| 5116996 | Purification of indigo | Reinhold Kohlhaupt, Ernst Lang | 1992-05-26 |
| 5109137 | Purification of indigo | Reinhold Kohlhaupt, Manfred Gaeng, Lothar Haas, Guenter Engelhardt, Matthias Fankhaenel | 1992-04-28 |
| 5075458 | Purification of indigo | Reinhold Kohlhaupt, Manfred Gaeng, Lothar Haas, Guenter Engelhardt, Matthias Fankhaenel | 1991-12-24 |