Issued Patents All Time
Showing 25 most recent of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9145347 | Process for preparing deodorized 1,2-propanediol | Stephan Maurer, Roman Prochazka, Oliver Bey, Jochen Steiner, Gerhard Theis +2 more | 2015-09-29 |
| 8946490 | Process for producing fatty alcohols by hydrogenation of fatty acid triglycerides on a copper-containing heterogeneous catalyst | Daniela Mirk, Roman Prochazka, Markus Hölzle, Daniela Herzberg | 2015-02-03 |
| 8933262 | Process for preparing polyisocyanates from biomass | Eckhard Stroefer, Otto Machhammer, Stefan Bitterlich, Roman Prochazka, Mario Emmeluth +6 more | 2015-01-13 |
| 8895791 | Method of regenerating ruthenium catalysts suitable for hydrogenation | Michael Becker, Daniela Mirk, Felix Richter, Thomas Schäfer | 2014-11-25 |
| 8889936 | Method of regenerating ruthenium catalysts for the hydrogenation of benzene | Michael Becker, Michael Schönherr, Wilhelm Ruppel, Ulrike Wegerle, Bianca Stäck | 2014-11-18 |
| 8853478 | Method for the integrated production of cellulose and low-molecular-weight reusable materials | Otto Machhammer, Wolfgang Rohde, Mario Emmeluth, Sonja Giesa | 2014-10-07 |
| 8809596 | Method for producing deodorized 1,2-propanediol | Stephan Maurer, Roman Prochazka, Oliver Bey, Jochen Steiner, Gerhard Theis +2 more | 2014-08-19 |
| 8772535 | Process for preparing isocyanates | Ralf Boehling, Sven Kueber, Stefan Maixner, Eckhard Stroefer, Georg Krug +1 more | 2014-07-08 |
| 8598392 | Continuous method for producing substituted cyclohexylmethanols | Daniela Mirk, Lucia Königsmann | 2013-12-03 |
| 8598060 | Method of regenerating ruthenium catalysts for the ring hydrogenation of phthalates | Michael Becker, Felix Richter, Thomas Schäfer | 2013-12-03 |
| 8293951 | Method for producing 1,2-propandiol by hydrogenation in at least three successive reactors | Roman Prochazka, Oliver Bey, Stephan Maurer, Jochen Steiner, Heiko Urtel +2 more | 2012-10-23 |
| 8273924 | Method for producing 1,2-propandiol by low-pressure hydrogenation of glycerine | Roman Prochazka, Oliver Bey, Stephan Maurer, Jochen Steiner, Heiko Urtel +3 more | 2012-09-25 |
| 8252962 | Method for producing 1,2-propandiol by hydrogenating glycerine in a two-step reactor cascade | Roman Prochazka, Oliver Bey, Stephan Maurer, Jochen Steiner, Heiko Urtel +4 more | 2012-08-28 |
| 8212069 | Process for preparing isocyanates | Ralf Boehling, Sven Kueber, Stefan Maixner, Eckhard Stroefer, Georg Krug +1 more | 2012-07-03 |
| 8207327 | Catalyst and process for hydrogenating organic compounds comprising hydrogenatable groups | Frederik Van Laar, Michael Becker, Ekkehard Schwab, Peter Polanek | 2012-06-26 |
| 8134028 | Method for producing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane | Friederike Osswald, Karl Heinz Brauch, Arnd Bottcher, Frederik van Laar, Till Gerlach | 2012-03-13 |
| 8044233 | Process for preparing vinyl carboxylates | Wolfgang Staffel, Roland Kessinger | 2011-10-25 |
| 7897806 | Method for producing polyisocyanates | Martin Sesing, Thorsten Rohde, Eckhard Stroefer | 2011-03-01 |
| 7790937 | Process for the preparation of 1,2-propanediol | Michael Becker, Jochen Buerkle, Peter Wahl, Gerhard Theis, Stephen Maurer | 2010-09-07 |
| 7670464 | Method for the distillative separation of a mixture containing vinyl ether and alchol | Katrin Klass, Heike Becker, Regina Vogelsang, Alexander Hauk, Markus Siegert | 2010-03-02 |
| 7482481 | Method for producing isocyanates | Thorsten Rohde, Armin Stamm | 2009-01-27 |
| 7399876 | Preparation of an alkenylphosphonic acid derivative | Roland Kessinger, Jan-Dirk Arndt, Florian Thomas | 2008-07-15 |
| 7388119 | Method for the hydrogenation of aromatic compounds with hydrogen containing residual gas | Arnd Bottcher, Ekkehard Schwab, Ralf Kästner, Gerd Kaibel, Heinrich Laib | 2008-06-17 |
| 7355084 | Method for hydrogenating organic compounds by means of Ru/SiO2 catalysts | Arnd Bottcher, Dominic Vanoppen, Jan-Dirk Arndt, Konrad Knoll | 2008-04-08 |
| 7211689 | Method for production of isocyanates | Thorsten Rohde, Armin Stamm | 2007-05-01 |