| 8193390 |
Method for the production of N,N-dimethylacetamide (DMAC) |
Horst Grafmans, Steffen Maas, Alexander Weck, Michael Schulz, Karl-Heinz Roβ |
2012-06-05 |
|
| 7642382 |
Processes for preparing ethylamines |
Till Gerlach, Frank Haese, Anton Meier, Johann-Peter Melder |
2010-01-05 |
|
| 7405327 |
Method for the continuous production of an amine |
Frank Haese, Arnd Bottcher, Bernd Stein, Wolfgang Reif, Johann-Peter Melder +3 more |
2008-07-29 |
|
| 6986833 |
Process for fractionating water-containing crude amine mixtures from amine synthesis |
Andreas Wölfert, Stefan Rittinger, Mark Wehinger, Aurelie Alemany, Willi Schmidt |
2006-01-17 |
$1,230,000 |
| 6913674 |
Process for fractionating water-containing crude amine mixtures from amine synthesis |
Andreas Wölfert, Stefan Rittinger, Mark Wehinger, Aurelie Alemany, Willi Schmidt |
2005-07-05 |
$446,000 |
| 6821396 |
Process for fractionating water-containing crude amine mixtures from amine synthesis |
Andreas Wölfert, Stefan Rittinger, Mark Wehinger, Aurelie Alemany, Willi Schmidt |
2004-11-23 |
$394,000 |
| 6583286 |
Method for hydrogenating unsaturated heterocyclic compounds |
Arnd Bottcher, Melanie Brunner, Jochem Henkelmann, Boris Breitscheidel |
2003-06-24 |
$498,000 |
| 6554966 |
Process for preparing essentially formic acid-free N-alkyl-N′-methylalkyleneureas |
Andreas Kramer, Johann-Peter Melder, Günter Riewe, Wolfgang Siegel, Hans-Jurgen Weyer |
2003-04-29 |
$573,000 |
| 6521767 |
Method for suspension hydrogenation of an anthraquinone compound in a special reactor in order to produce hydrogen peroxide |
Arnd Bottcher, Jochem Henkelmann, Franz Josef Brocker, Gerd Kaibel |
2003-02-18 |
$440,000 |
| 6455711 |
Method for producing polytetrahydrofuran |
Karsten Eller, Michael Hesse, Rainer Becker, Arthur Hohn |
2002-09-24 |
$568,000 |
| 6362312 |
Catalyst and method for the production of polytetrahydrofuran |
Karsten Eller, Michael Hesse, Rainer Becker |
2002-03-26 |
$230,000 |
| 6274700 |
Catalyst and method for producing polytetrahydrofuran |
Karsten Eller, Michael Hesse, Rainer Becker |
2001-08-14 |
$358,000 |
| 6197979 |
Method for producing polytetrahydrofuran with low color index |
Rainer Becker, Karsten Eller, Michael Hesse |
2001-03-06 |
$218,000 |
| 6133482 |
Method for producing carbonyl compounds |
Thomas Fetzer, Dirk Demuth, Helmuth Menig, Peter Resch, Wilhelm Ruppel +1 more |
2000-10-17 |
$150,000 |
| 6130360 |
Hydrogenation of alkinols using a catalyst containing macropores |
Arnd Bottcher, Melanie Brunner, Jochem Henkelmann |
2000-10-10 |
$252,000 |
| 6072087 |
Method for producing carbonyl compounds |
Thomas Fetzer, Dirk Demuth, Helmuth Menig, Peter Resch, Wilhelm Ruppel +1 more |
2000-06-06 |
|
| 5962700 |
Butyrolactone-preparation process |
Marc Heider, Thomas Ruhl, Jochem Henkelmann, Susanne Stutz, Thomas Preiss +2 more |
1999-10-05 |
|
| 5942645 |
Hydrogenation of aromatic compounds in which at least one hydroxyl group is bonded to an aromatic ring |
Thomas Ruhl, Boris Breitscheidel, Jochem Henkelmann, Thomas Wettling |
1999-08-24 |
|
| 5773657 |
Hydrogenation of aromatic compounds in which at least one amino group is bonded to an aromatic nucleus |
Thomas Ruhl, Boris Breitscheidel, Jochem Henkelmann, Andreas Henne, Thomas Wettling |
1998-06-30 |
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