| 8555864 |
Internal combustion engine with an exhaust-gas recirculation and method for operating an internal combustion engine |
Hans-Georg Nitzke, Jörg Larink, Jens Jeschke, Thomas Lang, Jürgen Wendt +6 more |
2013-10-15 |
| 8091535 |
Internal combustion engine with an exhaust-gas recirculation and method for operating an internal combustion engine |
Hans-Georg Nitzke, Jörg Larink, Jens Jeschke, Thomas Lang, Jürgen Wendt +6 more |
2012-01-10 |
| 7520273 |
Exhaust-gas recirculation device and method for operating an exhaust-gas recirculation device |
Achim Freitag, Lothar Nee, Werner Aberle |
2009-04-21 |
| 6894193 |
Method for hydrogenating liquid organic compounds |
Peter Zehner, Oliver Bey, Gunter Georgi |
2005-05-17 |
| 6838061 |
Reactor for carrying out gas-liquid, liquid, liquid-liquid or gas-liquid-solid chemical reactions |
Stefan Berg, Peter Zehner, Regina Benfer, Michael Nilles, Ralf Schulz +1 more |
2005-01-04 |
| 6673972 |
Method for producing polyetherpolyols in the presence of a multi-metal cyanide complex catalyst |
Thomas Ostrowski, Kathrin Harre, Peter Zehner, Dieter Stützer, Georg Heinrich Grosch +2 more |
2004-01-06 |
| 6350911 |
Method for producing amines |
Michael Sander, Ulrich Penzel, Hans Volkmar Schwarz, Eckhard Ströfer, Dieter Stützer +5 more |
2002-02-26 |
