Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309804 | Process for purifying 1,2-dichloroethane | Helmut Grumann, Manfred Stoger, Jurgen Eichler, Dieter Jaculi, Winfried Lork +3 more | 2007-12-18 |
| 6031619 | Imaging spectrometer | Claus Renschen | 2000-02-29 |
| 5989283 | Irradiation device, especially for the cosmetic, diagnostic and therapeutic application of light | — | 1999-11-23 |
| 5895637 | Process for preparing sodium disilicate having a high ion-exchange capacity | Gunther Schimmel, Alexander Tapper | 1999-04-20 |
| 5614161 | Crystalline sheet sodium silicate | Gunther Schimmel | 1997-03-25 |