Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7504373 | Surfactant composition and method of forming | James S. Dailey, Ernst Lippert, Sridhar G. Iyer, Christoffer Kieburg, Juergen Tropsch +2 more | 2009-03-17 |
| 7414159 | Separation of liquid mixtures in a film evaporator | Eckhard Stroefer, Neven Lang, Ute Lichtfers, Hans Hasse | 2008-08-19 |
| 7408083 | Method for the production of diaminodiarylmethanes | Eckhard Stroefer, Martin Sohn, Veronika Quaschning, Helmut Moehwald, Kai Thiele +3 more | 2008-08-05 |
| 7390932 | Method for preparing highly concentrated, gaseous formaldehydes | Eckard Stroefer, Neven Lang, Hans Hasse, Michael Ott, Thomas Grützner | 2008-06-24 |
| 7253322 | Method for producing ethyldimethylamine and triethylamine | Ralf Böhling, Frank Funke, Gunter Muller, Günter Gaus, Christoph Benisch | 2007-08-07 |
| 7161039 | Method and device for producing ethylamine and butylamine | Frank Funke, Ralf Böhling | 2007-01-09 |
| 7148177 | Method for producing alkali metal catalyst and use thereof for the side-chain alklation of alkyl aromatics | — | 2006-12-12 |
| 7074944 | Method for producing polytetrahydrofuran | Martin Haubner, Achim Gerstlauer, Thomas Domschke, Christoph Sigwart, Stefan Käshammer | 2006-07-11 |
| 7057075 | Method for producing amines by means of olefin animation in the presence of unstaturated nitrogen compounds | Ralf Böhling, Frank Funke, Reinhard Dier | 2006-06-06 |
| 6984766 | Method for side-chain alkylation or alkenylation | Ralf Böhling, Peter Zehner | 2006-01-10 |
| 6870014 | Catalyst and method for producing polytetrahydrofurane | Thomas Narbeshuber, Martin Haubner, Christoph Sigwart, Gerd Linden, Gerhard Cox +6 more | 2005-03-22 |
| 6823844 | Method for the operation of a fuel metering system on a direct injection internal combustion engine | Klaus Joos, Thomas Frenz | 2004-11-30 |
| 6716937 | Method for the single-step production of polytetrahydrofuran and tetrahydrofuran copolymers | Gerd Bohner, Thomas Domschke, Rolf Fischer, Martin Haubner, Christoph Sigwart +1 more | 2004-04-06 |
| 6576796 | Process for the preparation of alkylamines | Frank Funke, Matthias Frauenkron, Ralf Böhling, Johann-Peter Melder, Thomas Heidemann | 2003-06-10 |
| 6492558 | Preparation of n-butylamines | Frank Funke, Peter Zehner, Ralf Böhling, Wolfgang Harder | 2002-12-10 |
| 6414207 | Preparation of a basic catalyst avoiding high temperatures | Eugen Gehrer | 2002-07-02 |
| 6384154 | Preparation of halogen-free, reactive polyisobutene | Christoph Sigwart, Thomas Narbeshuber, Eugen Gehrer, Rolf Fischer, Shelue Liang | 2002-05-07 |
| 6371079 | Method and arrangement for synchronizing at least two power adjusting elements of an internal combustion engine | Juergen Gras, Werner Jaksch | 2002-04-16 |
| 6284704 | Preparation of a basic catalyst avoiding high temperatures | Eugen Gehrer | 2001-09-04 |
| 6262325 | Basic catalyst based on titanates, zirconates and hafnates | Thomas Narbeshuber | 2001-07-17 |
| 6018948 | Method and device for lowering a boost pressure of a turbocharger | Eberhard Schnaibel, Wolfgang Wagner, Hong Zhang | 2000-02-01 |
| 5706784 | Method and device for controlling exhaust temperature for a combustion engine with knock control | Wolfgang Wagner, Christian-Ernst Schreder | 1998-01-13 |
| 5317910 | Process for determining a flow rate of a fluid | Willi Rosenau, Wolfgang Wagner, Jurgen Neubert, Helmut Pflieger | 1994-06-07 |
| 5267548 | Stereo lambda control | Gunter Rosenzopf, Ernst Wild, Gerhard Schneider | 1993-12-07 |
| 5243853 | Method and arrangement for diagnosing the open-loop control of the tank-venting valve in combination with the open-loop control of an internal combustion engine | Helmut Denz, Gunther Plapp, Ulrich Mayer, Wolfgang Wagner, Stephan Hohne | 1993-09-14 |