Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9345988 | Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s) | Willi Schmidt, Gerd Kaibel, Elke Geiβler, Wolfgang Reif, Frank-Friedrich Pape | 2016-05-24 |
| 8766009 | Process for preparing ethylamines and monoisopropylamine (MIPA) | Norbert Asprion, Oliver Bey, Stefanie Werland, Frank Stein, Matthias Kummer +4 more | 2014-07-01 |
| 8674140 | Devices and method for continuous distillative separation of a mixture containing one or more alkanolamine(s) | Willi Schmidt, Gerd Kaibel, Elke Geiβbler, Wolfgang Reif, Frank-Friedrich Pape | 2014-03-18 |
| 8608824 | Integrated method for producing carbonyl iron powder and hydrocarbons | Jochen Steiner, Ekkehard Schwab, Andreas Keller, Otto Watzenberger, Ulrich Gräβle | 2013-12-17 |
| 8324430 | Processes for preparing amines and catalysts for use therein | Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder | 2012-12-04 |
| 8293075 | Method for the continuous separation by distillation of mixtures that contain morphonline (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation | Helmut Schmidtke, Oliver Buβmann, Ralph Versch, Udo Rheude, Uwe Leyk +2 more | 2012-10-23 |
| 8293945 | Method for producing an amine | Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder | 2012-10-23 |
| 8278489 | Method for producing an amine | Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder | 2012-10-02 |
| 8268995 | Processes for preparing amines and catalysts for use therein | Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder | 2012-09-18 |
| 8246793 | Method for the continuous separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation | Helmut Schmidtke, Oliver Buβmann, Ralph Versch, Udo Rheude, Uwe Leyk +2 more | 2012-08-21 |
| 8197646 | Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and water | Helmut Schmidtke, Oliver Buβmann, Ralph Versch, Udo Rheude, Uwe Leyk +2 more | 2012-06-12 |
| 7767855 | Method for the continuous production of an amine | Frank Haese, Joachim Wulff-Doering, Ulrich Koehler, Peter C. Gaa, Frank-Friedrich Pape +1 more | 2010-08-03 |
| 7754921 | Shaped body comprising an aluminosilicate and aluminium oxide and process for the continuous preparation of methylamines | Marco Bosch, Roderich Röttger, Jan Eberhardt, Thomas Krug, Karl-Heinz Roβ +1 more | 2010-07-13 |
| 7560594 | Method for producing triethanolamine | Frank Haese, Johann-Peter Melder, Roman Dostalek | 2009-07-14 |
| 7550632 | Methods of treating triethanolamine with acid components and basic components, and triethanolamine compositions containing the same | Frank Haese, Johann-Peter Melder, Roman Dostalek | 2009-06-23 |
| 7518020 | Method for controlling the reactor admission temperature during the production of methylamine | Werner Reutemann, Rolf Wambsganβ, Frank Poplow, Theodor Weber, Karl-Heinz Roβ | 2009-04-14 |
| 7497931 | Distillative preparation of IPDA having a high cis/trans isomer ratio | Frank Funke, Thomas Hill, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder +2 more | 2009-03-03 |
| 7309403 | Method for avoiding corrosion | Werner Reutemann, Theodor Weber, Karl-Heinz Ross | 2007-12-18 |
| 7256313 | Method for the production of isophorondiamine (ipda, 3-aminomethyl-3,5,5-trimethyl- cyclohexylamine) having a high cis/tran-isomer ratio | Frank Funke, Thomas Hill, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder +2 more | 2007-08-14 |
| 7227029 | Method for the continuous production of N-methyl-2-pyrrolidone (NMP) | Martin Rudloff, Peter Stops, Erhard Henkes, Helmut Schmidtke, Rolf Fischer +2 more | 2007-06-05 |
| 7164031 | Method for the production of 2-pyrrolidone | Martin Rudloff, Peter Stops, Erhard Henkes, Helmut Schmidtke, Rolf Fischer +2 more | 2007-01-16 |
| 6812323 | Inherently light- and heat-stabilized polyamides with improved wet fastness | Ulrike Breiner, Rainer Neuberg, Robert A. Weiss, Axel Wilms, Harry Hu | 2004-11-02 |
| 6582485 | Fuel and lubricant additives | Roland Ettl, Wolfgang H. H. Gunther, Thomas Greindl | 2003-06-24 |
| 6410744 | Carbonyldiimidazoles, their ester derivatives and method for their production | Armin Stamm, Alois Kindler, Michael Henningsen, Jörg Botzem | 2002-06-25 |
| 6165237 | Fuel and lubricant additives | Roland Ettl, Wolfgang H. H. Gunther, Thomas Greindl | 2000-12-26 |