Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9555374 | Method for conditioning catalysts by means of membrane filtration | Hartwig Voss, Ekkehard Schwab, Bram Willem Hoffer | 2017-01-31 |
| 8765634 | Processes for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein | Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Holger Evers | 2014-07-01 |
| 8134028 | Method for producing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane | Friederike Osswald, Karl Heinz Brauch, Arnd Bottcher, Jochem Henkelmann, Frederik van Laar | 2012-03-13 |
| 8063252 | Process for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein | Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Holger Evers | 2011-11-22 |
| 7919655 | Method for producing an amine | Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Holger Evers | 2011-04-05 |
| 7754922 | Process for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein | Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Holger Evers | 2010-07-13 |
| 7696384 | Process for producing ethyleneamines | Gunther Van Cauwenberge, Johann-Peter Melder, Holger Evers, Frank Kiesslich, Ekkehard Schwab +1 more | 2010-04-13 |
| 7642382 | Processes for preparing ethylamines | Frank Haese, Anton Meier, Johann-Peter Melder, Heinz Rutter | 2010-01-05 |
| 7615665 | Method for producing ethylene amines | Holger Evers, Johann-Peter Melder | 2009-11-10 |
| 7563933 | Method for producing an ethylamine | Anton Meier, Johann-Peter Melder, Frank Haese | 2009-07-21 |
| 7560496 | Catalytically active composition for the selective methanation of carbon monoxide and method for producing said composition | Christian Kuhrs, Markus Hoelzle, Michael Hesse | 2009-07-14 |
| 7393978 | Method for producing ethylene-amines | Matthias Frauenkron, Thomas Krug, Holger Evers, Johann-Peter Melder, Roderich Röttger +4 more | 2008-07-01 |
| 7381845 | Nitrile hydrogenation on heterogeneous catalysts in the presence of ionic liquids | Verena Weiskopf, Kirsten Wenz | 2008-06-03 |
| 7371917 | Preparation of olefins by metathesis over a carbide or oxycarbide of a transition metal | Markus Schubert, Michael Hesse, Juergen Stephan, Volker Boehm, Andreas Brodhagen +1 more | 2008-05-13 |
| 7183438 | Catalysts and method for the production of amines | Frank Funke, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff, Michael Hullmann | 2007-02-27 |
| 7122702 | Catalytic hydrogenation of an aliphatically unsaturated group in an organic compound | Frank Funke, Johann-Peter Melder | 2006-10-17 |
| 7105662 | Method of producing N-substituted 2,6-dialkylmorpholines | Michael Henningsen, Andreas Kusche, Michael Hullmann, Lothar Rub, Stefan Käshammer | 2006-09-12 |
| 7101824 | Preparation of ruthenium/iron catalysts supported on carbon | Hans-Georg Gobbel, Frank Funke, Klaus Ebel, Ekkehard Schwab, Signe Unverricht +2 more | 2006-09-05 |
| 7064164 | Transparent styrol-butadiene block copolymer mixtures | Konrad Knoll, Philippe Desbois, Hans-Michael Walter, Michael Ishaque, Friederike Osswald | 2006-06-20 |
| 7053246 | Preparation of a symmetrical secondary amine | Frank Funke, Christoph Benisch, Johann-Peter Melder | 2006-05-30 |
| 7034186 | Preparation of an amine | Frank Funke, Johann-Peter Melder | 2006-04-25 |
| 7005554 | Method for continuous hydrogenation of citronellal to form citronellol | Hans-Georg Gobbel, Günter Wegner, Hartwig Fuchs, Signe Unverricht, Axel Salden | 2006-02-28 |
| 6916964 | Selective hydrogenation of olefinically unsaturated carbonyl compounds | Hans-Georg Gobbel, Frank Funke, Klaus Ebel, Signe Unverricht, Gerd Kaibel | 2005-07-12 |
| 6790995 | Preparation of primary and secondary amines from nitriles | Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Funke, Frank Ohlbach | 2004-09-14 |
| 6759561 | Preparation of tetrahydrogeraniol | Frank Funke, Klaus Ebel, Signe Unverricht, Frank Haese, Kirsten Burkart +1 more | 2004-07-06 |