Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120036 | Process for preparing an aromatic amine and apparatus therefor | Tilmann Steinmetz, Michael Nilles, Lucia Koenigsmann, Andreas Heussler | 2015-09-01 |
| 8748665 | Process for preparing an aromatic amine and apparatus therefor | Tilmann Steinmetz, Michael Nilles, Lucia Koenigsmann, Andreas Heussler | 2014-06-10 |
| 8703997 | Process for preparation and preferably distillative workup of diphenylmethane diisocyanate (MDI) | Christian Schneider, Andreas Heussler, Leo Denissen, Lucia Koenigsmann | 2014-04-22 |