Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120036 | Process for preparing an aromatic amine and apparatus therefor | Tilmann Steinmetz, Michael Nilles, Andreas Heussler, Nikolaus Zafred | 2015-09-01 |
| 8748665 | Process for preparing an aromatic amine and apparatus therefor | Tilmann Steinmetz, Michael Nilles, Andreas Heussler, Nikolaus Zafred | 2014-06-10 |
| 8703997 | Process for preparation and preferably distillative workup of diphenylmethane diisocyanate (MDI) | Christian Schneider, Nikolaus Zafred, Andreas Heussler, Leo Denissen | 2014-04-22 |
| 8546591 | Method for producing cis-rose oxide | Juergen Schubert, Andreas Walch, Guenther Gottwald, Martin Kamasz, Ekkehard Schwab +2 more | 2013-10-01 |
| 8487150 | Process for hydrogenating butadiyne | Ekkehard Schwab, Piotr Makarczyk, Kai Rainer Ehrhardt, Maximilian Vicari, Thomas Heidemann +2 more | 2013-07-16 |
| 8044244 | Process for preparing aromatic amines in a fluidized-bed reactor | Lothar Seidemann, Christian Schneider, Ekkehard Schwab, Dieter Stuetzer, Celine Liekens | 2011-10-25 |