Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9302983 | Process for preparing isocyanates | Vanessa Simone Lehr, Torsten Mattke, Heiner Schelling, Gerhard Olbert | 2016-04-05 |
| 9006481 | Process and apparatus for preparing isocyanates | Torsten Mattke, Bernd Rumpf, Eckhard Stroefer | 2015-04-14 |
| 8957245 | Method for producing isocyanate | Gerhard Olbert, Torsten Mattke, Andreas Daiss, Jens Denecke | 2015-02-17 |
| 8809575 | Process for preparing isocyanates | Torsten Mattke, Patric Mueller | 2014-08-19 |
| 8791291 | Process for preparing isocyanates by phosgenation of the corresponding amines in the gas phase | Torsten Mattke, Vanessa Simone Lehr | 2014-07-29 |
| 8779181 | Process for preparing isocyanates | Torsten Mattke | 2014-07-15 |
| 8765996 | Process for preparing isocyanates | Torsten Mattke | 2014-07-01 |
| 8759568 | Process for preparing isocyanates | Vanessa Simone Lehr, Torsten Mattke | 2014-06-24 |
| 8716517 | Method for producing diisocyanates by gas-phase phosgenation | Torsten Mattke, Gerhard Olbert, Heiner Schelling | 2014-05-06 |
| 8558026 | Method for producing isocyanates | Gerhard Olbert, Torsten Mattke, Andreas Daiss, Jens Denecke | 2013-10-15 |
| 8487127 | Process for preparing isocyanates in the gas phase | Torsten Mattke, Ralf Boehling, Vanessa Simone Lehr | 2013-07-16 |
| 8436204 | Method for producing isocyanates | Eckhard Stroefer, Dieter Stuetzer, Bernd Sachweh, Markus Linsenbühler, Andreas Woelfert | 2013-05-07 |
| 8288584 | Process for preparing isocyanates | Andreas Woelfert, Torsten Mattke, Eckhard Stroefer, Heinrich-Josef Blankertz, Bernhard Geissler | 2012-10-16 |
| 8258337 | Method for producing isocyanates | Andreas Woelfert, Andreas Daiss, Tsung-Chieh Cheng, Torsten Mattke, Eckhard Stroefer | 2012-09-04 |
| 8168818 | Method for producing isocyanates | Andreas Daiss, Andreas Woelfert, Eckhard Stroefer | 2012-05-01 |
| 7994361 | Moderate-pressure gas phase phosgenation | Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Markus Weber, Joachim Pfeffinger | 2011-08-09 |
| 7915444 | Method for producing diisocyanates | Andreas Woelfert, Manfred Heilig, Eckhard Stroefer | 2011-03-29 |
| 7659430 | Method for separating hydrogen chloride and phosgene | Andreas Woelfert, Hans-Juergen Pallasch, Martin Sesing, Eckhard Stroefer, Hans-Martin Polka +1 more | 2010-02-09 |
| 7488842 | Method for producing isocyanates | Andreas Woelfert, Andreas Daiss | 2009-02-10 |
| 7342134 | Method for the distillative recovery of toluylenediamine | Martin Sohn, Ulrich Penzel, Hans-Juergen Pallasch, Gunter Georgi, Wolfgang Mackenroth +4 more | 2008-03-11 |
| 7084297 | Production of isocyanates in the gaseous phase | Andreas Woelfert, Christian Mueller, Eckhard Stroefer, Joachim Pfeffinger, Markus Weber | 2006-08-01 |