| 8884063 |
Continuous process for the hydrogenation of 3-cyano-3,5,5-trimethyl-cyclohexylimine |
Martin Ernst, Piotr Makarczyk, Johann-Peter Melder |
2014-11-11 |
|
| 8497399 |
Process for preparing aminoalkyl nitriles and diamines from such nitriles |
Jan Eberhardt, Thilo Hahn, Johann-Peter Melder, Gerhard Fritz, Volkmar Menger |
2013-07-30 |
|
| 8362308 |
Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream |
Jurgen Stephan, Andreas Brodhagen, Markus Schubert, Frank Poplow, Michael Roper |
2013-01-29 |
|
| 8323610 |
Catalyst for the oxidation of SO2 to SO3 |
Michael Kramer, Markus Schubert, Thomas Lautensack, Reinhard Korner, Frank Rosowski +1 more |
2012-12-04 |
|
| 8067334 |
Selective hydrogenation catalyst |
Hermann Petersen, Germain Kons, Henrik Junicke |
2011-11-29 |
|
| 8063239 |
Process for preparing aminoalkylnitriles and diamines from such nitriles |
Jan Eberhardt, Thilo Hahn, Johann-Peter Melder, Gerhard Fritz, Volkmar Menger |
2011-11-22 |
|
| 8017808 |
Process for preparing an amine |
Jan Eberhardt, Bram Willem Hoffer, Frank Haese, Johann-Peter Melder, Bernd Stein +2 more |
2011-09-13 |
|
| 7923588 |
Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream |
Jurgen Stephan, Andreas Brodhagen, Markus Schubert, Frank Poplow, Michael Roper |
2011-04-12 |
|
| 7622412 |
Method for regenerating a hydrogenation catalyst |
Mathias Haake, Harald Dialer |
2009-11-24 |
|
| 7518024 |
Process for preparing 1-butene |
Gotz-Peter Schindler, Andreas Brodhagen, Thorsten Johann |
2009-04-14 |
|
| 7497931 |
Distillative preparation of IPDA having a high cis/trans isomer ratio |
Frank Funke, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder, Erhard Henkes +2 more |
2009-03-03 |
|
| 7485761 |
Method for producing 1-butene |
Gotz-Peter Schindler, Andreas Brodhagen, Thorsten Johann, Marcus Sigl, Regina Benfer |
2009-02-03 |
|
| 7482500 |
Preparation of butadiene |
Thorsten Johann, Gotz-Peter Schindler, Andreas Brodhagen, Sven Crone, Regina Benfer +1 more |
2009-01-27 |
|
| 7462277 |
Continuous method for separating a C4 cut |
Till Adrian, Klaus Kindler, Bernd Heida |
2008-12-09 |
|
| 7393992 |
Method for working up crude 1,3-butadiene |
Klaus Kindler, Bernd Heida |
2008-07-01 |
|
| 7256313 |
Method for the production of isophorondiamine (ipda, 3-aminomethyl-3,5,5-trimethyl- cyclohexylamine) having a high cis/tran-isomer ratio |
Frank Funke, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder, Erhard Henkes +2 more |
2007-08-14 |
$1,109,000 |
| 7060857 |
Method for the production of isophorondiamine (ipda,3-aminomethyl-3,5,5-trimethylcyclohexylamine) |
Frank Funke, Johann-Peter Melder, Ekkehard Schwab, Walter Himmel, Erhard Henkes +2 more |
2006-06-13 |
$661,000 |
| 6943274 |
Method for the production of cyclohexanol from benzene |
Werner Peschel, Till Adrian, Harald Rust, Arnd Bottcher, Ulrich Müller +1 more |
2005-09-13 |
$910,000 |
| 4927621 |
Purification of anhydrous hydrogen chloride |
Joseph F. Repman, Thomas E. Morris |
1990-05-22 |
$3,029,000 |
