Issued Patents All Time
Showing 51–75 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7544766 | Method for the polymerization of cyclic ethers | Stephan Schlitter, Martin Haubner, Peter Zehner, Michael Hesse, Alexander Weck +1 more | 2009-06-09 |
| 7538254 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Michael Steiniger, Gerd Schaefer, Thomas Danner | 2009-05-26 |
| 7524996 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Michael Steiniger, Gerd Schaefer | 2009-04-28 |
| 7459571 | Catalyst extrudates based on copper oxide and their use for hydrogenating carbonyl compounds | Stephan Schlitter, Olga Schubert, Michael Hesse, Sabine Borchers, Markus Roesch +2 more | 2008-12-02 |
| 7456249 | Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst | Stephan Schlitter, Martin Haubner, Michael Hesse, Stefan Kaeshammer, Christoph Sigwart | 2008-11-25 |
| 7449422 | Catalyst, its preparation and the polymerization of cyclic ethers over this catalyst | Stephan Schlitter, Martin Haubner, Michael Hesse, Stefan Käshammer, Christoph Sigwart | 2008-11-11 |
| 7449606 | Method for producing a ketone | Joaquim Henrique Teles, Beatrice Röβler, Thomas Genger, Thomas Preiss | 2008-11-11 |
| 7449609 | Method for production of 1,6-hexanediol with a purity in excess of 99.5% | Andrea Haunert, Thomas Krug, Tilman Sirch, Michael Koch, Gerd-Dieter Tebben | 2008-11-11 |
| 7442810 | Method for the production of defined mixtures of THF, BDO and GBL by gas phase hydrogenation | Markus Roesch, Michael Hesse, Stephan Schlitter, Henrik Junicke, Olga Schubert +2 more | 2008-10-28 |
| 7408083 | Method for the production of diaminodiarylmethanes | Ulrich Steinbrenner, Eckhard Stroefer, Martin Sohn, Veronika Quaschning, Helmut Moehwald +3 more | 2008-08-05 |
| 7361793 | Method for producing tetrahydrofuran copolymers | Martin Haubner | 2008-04-22 |
| 7276573 | Method for producing monoesters and diesters of polytetrahydrofuran and of tetrahydrofuran copolymers | Achim Gerstlauer, Martin Haubner, Stephan Schlitter, Stefan Käshammer, Klaus-Peter Pfaff | 2007-10-02 |
| 7172989 | Catalytic hydrogenation over rhenium-containing catalysts supported on activated carbon | Rolf Fischer, Stephan Schunk, Joachim Wulff-Doring, Frank Stein, Thomas Nöbel +1 more | 2007-02-06 |
| 7098349 | Method for producing tetrahydrofuran | Stefan Käshammer, Volkmar Menger, Martin Haubner, Peter Groll, Stephan Schlitter +1 more | 2006-08-29 |
| 7094933 | Method for producing tetrahydrofurane copolymers | Martin Haubner, Alexander Weck | 2006-08-22 |
| 7084312 | Catalyst and method for hydrogenating carbonyl compounds | Sylvia Huber, Michael Jolyon Sprague, Boris Breitscheidel, Joachim Wulff-Doring, Michael Hesse +3 more | 2006-08-01 |
| 6906228 | Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts | Rolf Fischer, Stephan Schunk, Joachim Wulff-Doring, Frank Stein, Thomas Nöbel +1 more | 2005-06-14 |
| 6888021 | Hydrogenation of benzenepolycarboxylic acids or derivatives thereof using a catalyst containing macropores | Melanie Brunner, Arnd Bottcher, Boris Breitscheidel, Klaus Halbritter, Jochem Henkelmann +1 more | 2005-05-03 |
| 6794546 | Continuous preparation of alkenyl compounds | Rudolf Erich Lorenz | 2004-09-21 |
| 6765118 | Method for the production of alcohols on rhenium-containing activated charcoal supported catalysts | Rolf Fischer, Stephan Schunk, Joachim Wulff-Doring | 2004-07-20 |
| 6743912 | Storage and transportation of N-vinyl-epsilon-caprolactam | Arnd Bottcher, Rudolf Erich Lorenz | 2004-06-01 |
| 6730800 | Method for the production of tetrahydrofuran | Rolf Fischer, Frank Stein, Michael Hesse, Michael Jolyon Sprague, Markus Rösch +4 more | 2004-05-04 |
| 6673920 | Method for the production of N-alkenyl-amides | Thomas Preiss, Arnd Bottcher, Rudolf Erich Lorenz | 2004-01-06 |
| 6624303 | Method for producing N-alkenyl amides | Arnd Bottcher, Thomas Preiss, Rudolf Erich Lorenz | 2003-09-23 |
| 6596862 | Purification of N-vinyl-&egr;-caprolactam | Arnd Bottcher, Rudolf Erich Lorenz, Heike Becker | 2003-07-22 |