| 12391557 |
Method for producing phosgene |
Torsten Mattke, Gerhard Olbert, Jochen Gauer, Koenraad VANDEWALLE, Jens FERBITZ +1 more |
2025-08-19 |
| 11028042 |
Process for preparing an aromatic polyamine mixture |
Viktor Ladnak, Silvia TAURO, Kerstin Heinen, Klaus Metzner, Torsten Mattke |
2021-06-08 |
| 10927066 |
Process for hydrogenating a mixture in the presence of a colorless amine |
Andreas Weickgenannt, Silvia TAURO, Alexander Duefert, Viktor Ladnak |
2021-02-23 |
| 10435354 |
Process for preparing isocyanates in dialkyl carbonates as solvent |
Manfred Heilig, Thomas Schulz, Torsten Mattke, Filip Nevejans, Stefan Maixner |
2019-10-08 |
| 10252912 |
Separation of a phosgene- and hydrogen chloride-comprising stream |
Heiner Schelling, Torsten Mattke, Hans-Juergen Pallasch |
2019-04-09 |
| 10093615 |
Process for preparing isocyanates in dialkyl carbonates as solvent |
Manfred Heilig, Thomas Schulz, Torsten Mattke, Filip Nevejans, Stefan Maixner |
2018-10-09 |
| 9505711 |
Method for purifying mixtures comprising 4,4′-methylenediphenyl diisocyanate |
Michael Bock, Johannes Jacobs, Anne-Kathrin Merten |
2016-11-29 |
| 9170184 |
Method of regulating the viscosity of a mixture comprising at least two components having different viscosities |
Bart Janssen, Wouter Ducheyne |
2015-10-27 |
| 8993803 |
Method for producing phosgene |
Gerhard Olbert, Byoung-Yeon Kim, Heiner Schelling |
2015-03-31 |
| 8907124 |
Process for preparing methylenedi(phenyl isocyanate) |
Michael Bock, Heiner Schelling |
2014-12-09 |
| 8853443 |
Process for preparing an isocyanate |
Daniel Breuninger, Johannes Adam, Heiner Schelling, Eckhard Stroefer, Markus Kraemer +3 more |
2014-10-07 |
| 8829232 |
Process for preparing aromatic isocyanates |
Ulrich Penzel, Torsten Mattke, Andreas Wölfert, Johannes Jacobs, Tsung-Chieh Cheng +6 more |
2014-09-09 |
| 8759569 |
Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation |
Heiner Schelling, Ulrich Penzel, Eckhard Stroefer, Matthias Eiermann, Jon S. Speier +1 more |
2014-06-24 |
| 8710267 |
Process for preparing MDA via the stage of the aminal |
Eckhard Stroefer, Michael Zoellinger, Johnny Moors, Jon S. Speier |
2014-04-29 |
| 8614352 |
Method for producing color-stable MDA and MDI |
Eckhard Stroefer, Heiner Schelling, Robert Reinhardt, Michael Zoellinger, Daniel Breuninger +2 more |
2013-12-24 |
| 8519179 |
Method of measuring entry of water into phosgene-conducting plants |
Heiner Schelling, Ulrich Penzel, Eckhard Stroefer, Dirk Hablawetz, Dave Beckwith +6 more |
2013-08-27 |
| 7705106 |
Initial compounds for producing polyurethanes |
Peter Groer, Regina Hendreich, Paul Ch. Kierkus, Thomas Ostrowski, Eckhard Stroefer +2 more |
2010-04-27 |
| 7408083 |
Method for the production of diaminodiarylmethanes |
Ulrich Steinbrenner, Eckhard Stroefer, Martin Sohn, Veronika Quaschning, Helmut Moehwald +3 more |
2008-08-05 |
