| 7875740 |
Iron-containing material suitable for use as hydrogenation catalyst |
Andreas Ansmann, Peter Baβler, Rolf Fischer, Stefan Maixner, Johann-Peter Melder +1 more |
2011-01-25 |
| 7666976 |
Polyamides |
Helmut Winterling, Jürgen Demeter, Jürgen Deininger, Gad Kory, Oliver Sötje +3 more |
2010-02-23 |
| 7501047 |
Method for purifying caprolactam |
Hermann Luyken, Andreas Ansmann, Peter Baβler, Rolf Fischer, Stefan Maixner +1 more |
2009-03-10 |
| 7470765 |
Method for producing polyamides |
Helmut Winterling, Thilo Hahn |
2008-12-30 |
| 7393913 |
Polyamides |
Helmut Winterling, Jürgen Demeter, Jürgen Deininger, Gad Kory, Oliver Sötje +2 more |
2008-07-01 |
| 7385073 |
Method for reducing the content of an unsaturated amine in a mixture containing an amino nitrile, a diamine, a dinitrile or mixtures thereof |
Stefan Maixner, Hermann Luyken, Peter Baβler, Rolf Fischer, Johann-Peter Melder +1 more |
2008-06-10 |
| 7321068 |
Method for producing tricyclodecandialdehyde |
Rainer Papp, Rocco Paciello |
2008-01-22 |
| 7256312 |
Method for producing aminoalkoxy benzylamines and aminoalkoxy benzonitriles as intermediates |
Oliver Lober, Klaus Ebel, Johann-Peter Melder |
2007-08-14 |
| 7253322 |
Method for producing ethyldimethylamine and triethylamine |
Ralf Böhling, Ulrich Steinbrenner, Frank Funke, Gunter Muller, Günter Gaus |
2007-08-07 |
| 7217818 |
Purification of caprolactam |
Rolf Fischer, Hermann Luyken, Andreas Ansmann, Peter Bassler, Stefan Maixner +1 more |
2007-05-15 |
| 7115781 |
Iron-containing oxidic material suitable for use as hydrogenation catalyst precursor |
Andreas Ansmann, Peter Bassler, Rolf Fischer, Stefan Maixner, Johann-Peter Melder +1 more |
2006-10-03 |
| 7053246 |
Preparation of a symmetrical secondary amine |
Till Gerlach, Frank Funke, Johann-Peter Melder |
2006-05-30 |
| 6828457 |
Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile |
Frank Ohlbach, Hermann Luyken, Andreas Ansmann, Rolf Fischer, Johann-Peter Melder +2 more |
2004-12-07 |
| 6790996 |
Supported cobalt catalysts for nitrile hydrogenations |
Andreas Ansmann |
2004-09-14 |
| 6723880 |
Preparation of secondary amines from primary amines |
Peter Neumann, Johann-Peter Melder, Arthur Hohn, Joachim Pfeffinger |
2004-04-20 |
| 6677486 |
Hydrogenation of nitriles over Raney catalysts |
Andreas Ansmann, Frank Funke, Frank Ohlbach, Martin Merger |
2004-01-13 |
| 6469211 |
Hydrogenation of nitriles over Raney catalysts |
Andreas Ansmann, Frank Funke, Frank Ohlbach, Martin Merger |
2002-10-22 |
