Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696305 | Process for the production of nitroaromatic compounds | Uwe Klingler, Thomas Schieb, Gerhard Wiechers | 1997-12-09 |
| 5689018 | Process for the production of dinitrotoluene | Uwe Klingler, Thomas Schieb, Gerhard Wiechers | 1997-11-18 |
| 5679873 | Process for the production of dinitrotoluene | Uwe Klingler, Thomas Schieb, Gerhard Wiechers | 1997-10-21 |