Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505705 | Method for producing amines with a catalyst containing platinum, nickel and an additional metal | Petr Kubanek, Ekkehard Schwab, Frederik van Laar | 2016-11-29 |
| 9295971 | Apparatus and process for the continuous reaction of liquids with gases | Oliver Bey, Andreas Raichle, Hartmut Riechers, Roland Mueller, Peter Zehner | 2016-03-29 |
| 9079822 | Process for the preparation of nitrated aromatics and mixtures thereof | Johannes Buettner, Eckhard Stroefer, Wolfgang Voigt, Frank Bok | 2015-07-14 |
| 8829232 | Process for preparing aromatic isocyanates | Ulrich Penzel, Torsten Mattke, Andreas Wölfert, Johannes Jacobs, Tsung-Chieh Cheng +6 more | 2014-09-09 |
| 8614356 | Method for producing toluylenediamine by hydrogenating dinitrotoluene | Joana Coelho Tsou, Steffen Oehlenschlaeger, Ekkehard Schwab, Hartwig Voss, Stefan Maixner +3 more | 2013-12-24 |
| 7851648 | Method for the continuous production of isocyanates | Martin Sohn, Eckhard Stroefer, Filip Nevejans, Ulrich Penzel, Hans-Juergen Pallasch +4 more | 2010-12-14 |
| 7851661 | Method for producing dinitrotoluene | Johannes Buettner, Heinrich Hermann, Peter Konieczny, Juergen Gebauer | 2010-12-14 |
| 7838702 | Direct amination of hydrocarbons | Frederik van Laar, Ekkehard Schwab, Joachim-Thierry Anders, Sven Crone, Karl Hoelemann +1 more | 2010-11-23 |
| 7741522 | Direct amination of hydrocarbons | Frederik van Laar, Ekkehard Schwab, Joachim-Thierry Anders, Sven Crone, Karl Hoelemann +1 more | 2010-06-22 |
| 7584629 | Separation of a substance mixture consisting of hydrogen chloride and phosgene | Martin Sohn, Eckhard Stroefer, Filip Nevejans, Ulrich Penzel, Hans-Juergen Pallasch +3 more | 2009-09-08 |
| 7524405 | Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent | Martin Sohn, Eckhard Stroefer, Filip Nevejans, Ulrich Penzel, Hans-Juergen Pallasch +3 more | 2009-04-28 |
| 7468461 | Method for the production of amines | Frederik van Laar, Ekkehard Schwab, Steffen Oehlenschlaeger, Hartwig Voss, Konrad Morgenschweis +2 more | 2008-12-23 |
| 7342134 | Method for the distillative recovery of toluylenediamine | Carsten Knoesche, Martin Sohn, Ulrich Penzel, Hans-Juergen Pallasch, Gunter Georgi +4 more | 2008-03-11 |
| 7091383 | Method for the production of amines | Dominic Vanoppen, Ekkehard Schwab, Frederick van Laar, Hartwig Voss, Steffen Oehlenschlaeger +3 more | 2006-08-15 |
| 5599848 | Preparation, intermediates for the preparation and the use of a mixture of dodecdienol isomers | Ulrich Klein, Ulrich Neumann, Guenter Renz, Wolfgang Krieg, Christiane Mackenroth +3 more | 1997-02-04 |
| 5237113 | Preparation of haloalcohols | Rainer Becker, Walter Seufert | 1993-08-17 |
| 5089659 | Preparation of E7/Z9-alkadien-1-ols and their derivatives protected at the hydroxyl group | Christiane Brueckner, Ernst Buschmann, Walter Himmele, Heinz Eckhardt | 1992-02-18 |
| 5002971 | Method and agent for controlling the peach twig borer | Rainer Becker, Ernst Buschmann, Gregor Schuermann, Walter Seufert, Wolfgang Seppelt +2 more | 1991-03-26 |
| 4973765 | Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol | Wolfgang Hoelderich, Rainer Becker, Walter Seufert | 1990-11-27 |
| 4925991 | Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol | Wolfgang Hoelderich, Rainer Becker, Walter Seufert | 1990-05-15 |