Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441925 | Process for making membranes | Martin Weber, Nicole Janssen, Jacek Malisz, Martin HEIJNEN, Edoardo Menozzi | 2019-10-15 |
| 9555374 | Method for conditioning catalysts by means of membrane filtration | Ekkehard Schwab, Bram Willem Hoffer, Till Gerlach | 2017-01-31 |
| 9132387 | Process for working-up a reaction mixture comprising polyether polyol | Vinit Chilekar, Jelan Kuhn, Ann De Colvenaer, Andreas Brodhagen | 2015-09-15 |
| 8614356 | Method for producing toluylenediamine by hydrogenating dinitrotoluene | Joana Coelho Tsou, Steffen Oehlenschlaeger, Ekkehard Schwab, Wolfgang Mackenroth, Stefan Maixner +3 more | 2013-12-24 |
| 8608828 | Process for producing carbon membranes | Joerg Therre, Nadine Kaltenborn, Hannes Richter, Ingolf Voigt | 2013-12-17 |
| 8608837 | Process for producing carbon membranes | Joerg Therre, Nadine Kaltenborn, Susanne Kaemnitz | 2013-12-17 |
| 8196755 | Process for producing a composite membrane | Armin Diefenbacher, Gunter Schuch, Manfred Noack, Ingolf Voigt, Hannes Richter +1 more | 2012-06-12 |
| 8197645 | Process for separating propylene glycol from aqueous compositions | Armin Diefenbacher, Hans-Georg Goebbel, Stefan Bitterlich, Henning Schultz, Anna Forlin +1 more | 2012-06-12 |
| 8097232 | Method for producing chlorine | Martin Sesing, Armin Diefenbacher, Olga Schubert, Lothar Seidemann, Martin Karches +2 more | 2012-01-17 |
| 8034980 | Method for producing polyether polyols | Achim Loeffler, Wolfgang Loth, Ralf Boehling, Thomas Ostrowski, Michael Stoesser +1 more | 2011-10-11 |
| 7968076 | Method for producing sodium dithionite | Armin Diefenbacher, Reinhard Schneider | 2011-06-28 |
| 7847073 | Method for producing a liquid formulation of salts of sulphonic-acid azo dyes | Gunter-Rudolf Schroeder, Juergen Decker, Helmut Reichelt, Ingo Klopp, Armin Diefenbacher | 2010-12-07 |
| 7595424 | Method for producing aromatic amines or aliphatic amino alcohols | Dominic Vanoppen, Frederik van Laar, Thomas Beuermann, Georg Krug, Steffen Oehlenschlaeger +4 more | 2009-09-29 |
| 7468461 | Method for the production of amines | Frederik van Laar, Ekkehard Schwab, Steffen Oehlenschlaeger, Wolfgang Mackenroth, Konrad Morgenschweis +2 more | 2008-12-23 |
| 7459072 | Method for processing naphtha | Stefan Bitterlich, Gunter Schuch, Rudolf Sinnen, Heinrich Laib, Peter Paessler | 2008-12-02 |
| 7091383 | Method for the production of amines | Dominic Vanoppen, Ekkehard Schwab, Frederick van Laar, Steffen Oehlenschlaeger, Wolfgang Mackenroth +3 more | 2006-08-15 |
| 7071354 | Method for producing N-phosphonomethylglycine | Hugues Vandenmersch, Stefan Orsten, Christian Wulff | 2006-07-04 |
| 7012162 | Phosphacyclohexanes and the use thereof in the hydroformylation of olefins | Thomas Mackewitz, Wolfgang Ahlers, Edgar Zeller, Michael Roper, Rocco Paciello +2 more | 2006-03-14 |
| 6967181 | Production of a zeolite-containing solid | Ulrich Müller, Erich Schubert, Friedrich Hill, Hermann Petersen | 2005-11-22 |
| 6887612 | Fuel cell | Stefan Bitterlich, Andreas Fischer, Werner Weppner, Ingolf Voigt | 2005-05-03 |
| 6730808 | Oxidative reactions using membranes that selectively conduct oxygen | Stefan Bitterlich, Hartmut Hibst, Andreas Tenten, Ingolf Voigt, Ute Pippardt | 2004-05-04 |
| 6706190 | Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution | Ulrich Steuerle, Jürgen Bernbach, Jürgen Decker, Rainer Dyllick-Brenzinger, Klaus Lorenz +2 more | 2004-03-16 |
| 6310261 | Method for the production of aldehydes | Bernhard Geissler, Michael Roper, Edgar Zeller, Rocco Paciello, Jürgen Decker +1 more | 2001-10-30 |
| 6140428 | Simultaneous production of dicarboxylic acids and diamines by splitting polyamides into their monomeric constituents | Ursula Seeliger, Wolfgang Mueller, Frank Heimann, Guenther Huber, Wolfgang Habermann +1 more | 2000-10-31 |
| 5954316 | Rolling-lobe air spring | — | 1999-09-21 |