Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11642666 | Shaped catalyst body in the form of tetralobes of uniform wall thickness | Christian Walsdorff, Marco Oskar KENNEMA, Marcelo Daniel KAUFMAN RECHULSKI | 2023-05-09 |
| 10307741 | Shaped catalyst body for the catalytic oxidation of SO2 into SO3 | Philipp GRÜNE, Christian Walsdorff, Markus Schubert, Jacob Cornelis Van Dorland, Jürgen Zühlke +2 more | 2019-06-04 |
| 9700876 | Mechanically stable hollow cylindrical shaped catalyst bodies for gas phase oxidation of an alkene to an unsaturated aldehyde and/or an unsaturated carboxylic acid | Josef Macht, Christian Walsdorff, Cornelia Katharina Dobner, Stefan Lipp, Cathrin Alexandra Welker-Nieuwoudt +1 more | 2017-07-11 |
| 9238217 | Catalyst for preparation of an unsaturated carboxylic acid by gas phase oxidation of an unsaturated aldehyde | Cathrin Alexandra Welker-Nieuwoudt, Cornelia Katharina Dobner, Ulrich Hammon, Josef Macht, Andrey Karpov +1 more | 2016-01-19 |
| 9079840 | Process for producing geometric shaped catalyst bodies | Andreas Raichle, Catharina Horstmann, Frank Rosowski, Klaus Joachim Mueller-Engel, Gerhard Cox +1 more | 2015-07-14 |
| 8865614 | Process for producing a ringlike oxidic shaped body | Knut Eger, Jens Uwe Faust, Ralf Streibert, Klaus Joachim Mueller-Engel, Andreas Raichle | 2014-10-21 |
| 8822371 | Process for producing geometric shaped catalyst bodies | Andreas Raichle, Catharina Horstmann, Frank Rosowski, Klaus Joachim Müller-Engel, Gerhard Cox +1 more | 2014-09-02 |
| 8546293 | Process for continuously producing geometric shaped catalyst bodies K | Andreas Raichle, Klaus Joachim Mueller-Engel, Catharina Horstmann, Josef Macht | 2013-10-01 |
| 8517180 | Process for charging a reactor with a fixed catalyst bed which comprises at least annular shaped catalyst bodies K | Andreas Raichle, Klaus Joachim Mueller-Engel, Hagen Wilmer, Cornelia Katharina Dobner, Ulrich Cremer | 2013-08-27 |
| 8415268 | Process for producing a ringlike oxidic shaped body | Knut Eger, Jens Uwe Faust, Ralf Streibert, Klaus Joachim Mueller-Engel, Andreas Raichle | 2013-04-09 |
| 8298980 | Process for continuously producing geometric shaped catalyst bodies K | Andreas Raichle, Klaus Joachim Mueller-Engel, Catharina Horstmann, Josef Macht | 2012-10-30 |
| 8128904 | Process for preparing a multielement oxide composition comprising the element iron in oxidic form | Andreas Raichle, Klaus Joachim Müller-Engel, Ulrich Cremer | 2012-03-06 |
| 8025846 | Process for introducing a portion withdrawn from at least one production charge of annular coated catalysts K into a reaction tube of a tube bundle reactor | Ulrich Cremer, Hagen Wilmer, Andreas Raichle, Hermann Petersen, Horst Strahberger +1 more | 2011-09-27 |
| 7351311 | Method for purifying tetrahydrofuran by distillation | Gunther Windecker, Alexander Weck, Rolf Fischer, Markus Rösch, Nils Bottke +2 more | 2008-04-01 |
| 7307040 | Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydride | Stephan Schlitter, Michael Hesse, Markus Schubert, Nils Bottke, Rolf Fischer +3 more | 2007-12-11 |
| 7271299 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride | Michael Hesse, Stephan Schlitter, Markus Schubert, Markus Rösch, Nils Bottke +4 more | 2007-09-18 |
| 7217679 | Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give γ-butyrolactone, tetrahydrofuran and derivatives thereof | Stephan Schlitter, Rolf Fischer, Markus Rösch, Frank Stein, Ralf-Thomas Rahn +1 more | 2007-05-15 |
| 7193091 | Method for the simultaneous production of tetrahydrofurans and pyrrolidones | Rolf Fischer, Markus Rösch, Nils Bottke, Alexander Weck, Gunther Windecker +2 more | 2007-03-20 |
| 7169958 | Method for the production of 1,4- butane-diol by combined gas-phase and liquid-phase hydrogenation | Michael Hesse, Stephan Schlitter, Markus Schubert, Markus Rösch, Nils Bottke +4 more | 2007-01-30 |
| 7154011 | Method for the production of 1,4- butanediol | Michael Hesse, Stephan Schlitter, Markus Schubert, Markus Rösch, Nils Bottke +4 more | 2006-12-26 |
| RE39074 | Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide | Uwe Dingerdissen | 2006-04-18 |
| 6958404 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor | Stephan Schlitter, Michael Hesse, Frank Stein, Rolf Fischer, Ralf-Thomas Rahn +2 more | 2005-10-25 |
| 6888011 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran | Stephan Schlitter, Markus Rösch, Rolf Fischer, Ralf-Thomas Rahn, Alexander Weck | 2005-05-03 |
| 6831182 | Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones | Stephan Schlitter, Rolf Fischer, Markus Rösch, Frank Stein, Ralf-Thomas Rahn +2 more | 2004-12-14 |
| 6730800 | Method for the production of tetrahydrofuran | Rolf Fischer, Frank Stein, Rolf Pinkos, Michael Hesse, Michael Jolyon Sprague +4 more | 2004-05-04 |