Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498997 | Process for removal of volatile compounds from tackifiers | Miran Yu, Ortmund Lang, Dieter Rodewald, Guenter Scherr, Felix Alexander Westerhaus | 2022-11-15 |
| 11248118 | Tackifier for rubber compositions | Felix Alexander Westerhaus, Frank Reuter, Dieter Rodewald, Olivier Fleischel, Martin Voelkert +3 more | 2022-02-15 |
| 8933277 | Process for preparing polymethylols | Michael Steiniger, Stefan Rittinger, Tilman Sirch, Steffen Maas | 2015-01-13 |
| 8884076 | Method for preparing polymethylols | Tilman Sirch, Michael Steiniger, Steffen Maas, Stefan Rittinger | 2014-11-11 |
| 7884048 | Adsorption composition and process for removal of CO from material streams | Stephan Hatscher, Michael Hesse, Heiko Urtel | 2011-02-08 |
| 7807603 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Olga Schubert, Michael Hesse, Sabine Borchers, Markus Roesch, Rolf Pinkos +2 more | 2010-10-05 |
| 7781368 | Adsorption composition and method of removing CO from streams | Stephan Hatscher, Michael Hesse, Heiko Urtel | 2010-08-24 |
| 7767865 | Method for producing hydroxypivalaldehyde and neopentyl glycol | Tilman Sirch, Michael Steiniger, Steffen Maas, Stefan Rittinger | 2010-08-03 |
| 7544766 | Method for the polymerization of cyclic ethers | Martin Haubner, Peter Zehner, Michael Hesse, Alexander Weck, Rolf Pinkos +1 more | 2009-06-09 |
| 7462747 | Process for preparing polyalcohols from formaldehyde having a low formic acid content | Timan Sirch, Michael Steiniger, Steffen Maas, Stefan Rittinger, Maria Guixa +2 more | 2008-12-09 |
| 7459571 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Olga Schubert, Michael Hesse, Sabine Borchers, Markus Roesch, Rolf Pinkos +2 more | 2008-12-02 |
| 7456249 | Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst | Martin Haubner, Michael Hesse, Stefan Kaeshammer, Rolf Pinkos, Christoph Sigwart | 2008-11-25 |
| 7449422 | Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst | Martin Haubner, Michael Hesse, Stefan Käshammer, Rolf Pinkos, Christoph Sigwart | 2008-11-11 |
| 7442810 | Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation | Markus Roesch, Rolf Pinkos, Michael Hesse, Henrik Junicke, Olga Schubert +2 more | 2008-10-28 |
| 7388116 | Hydrogenation of methylolalkanals | Steffen Maas, Thorsten Johann, Michael Koch, Tilman Sirch, Stefan Rittinger +2 more | 2008-06-17 |
| 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 | Holger Borchert, Michael Hesse, Markus Schubert, Nils Bottke, Rolf Fischer +3 more | 2007-12-11 |
| 7276573 | Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers | Rolf Pinkos, Achim Gerstlauer, Martin Haubner, Stefan Käshammer, Klaus-Peter Pfaff | 2007-10-02 |
| 7271299 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride | Michael Hesse, Holger Borchert, 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 | Holger Borchert, 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, Holger Borchert, Markus Schubert, Markus Rösch, Nils Bottke +4 more | 2007-01-30 |
| 7154011 | Method for the production of 1,4- butanediol | Michael Hesse, Holger Borchert, Markus Schubert, Markus Rösch, Nils Bottke +4 more | 2006-12-26 |
| 7098349 | Method for producing tetrahydrofuran | Rolf Pinkos, Stefan Käshammer, Volkmar Menger, Martin Haubner, Peter Groll +1 more | 2006-08-29 |
| 7041752 | Catalyst and method for the production of polytetrahydrofuran | Christoph Sigwart, Walter Dorflinger, Michael Hesse, Rolf Fischer | 2006-05-09 |