Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662141 | Process for hydrogenating toluenediamine (TDA) tar | Armin LANGE DE OLIVEIRA, Ines Lottenburger, Thomas Heidemann | 2020-05-26 |
| 10538478 | Catalyst modification with alkali metal, alkaline earth metal or rare earth metal ions in the continuous liquid-phase hydrogenation of nitro compounds | Armin LANGE DE OLIVEIRA, Barbara Wucher, Michael FRIKO, Renate Hempel | 2020-01-21 |