| 8765634 |
Processes for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein |
Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach |
2014-07-01 |
| 8759580 |
Method for the production of aminoalkane acid amides |
Martin Ernst, Andreas Kusche, Gunnar Heydrich, Horst Grafmans, Johann-Peter Melder +2 more |
2014-06-24 |
| 8063252 |
Process for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein |
Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach |
2011-11-22 |
| 7919655 |
Method for producing an amine |
Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach |
2011-04-05 |
| 7758730 |
Method for improving a piperazine colour stability |
Michael Jödecke, Johann-Peter Melder, Gunther Van Cauwenberge, Jan Nouwen |
2010-07-20 |
| 7754922 |
Process for preparing amines and zirconium dioxide- and nickel-containing catalysts for use therein |
Petr Kubanek, Bram Willem Hoffer, Ekkehard Schwab, Johann-Peter Melder, Till Gerlach |
2010-07-13 |
| 7696384 |
Process for producing ethyleneamines |
Gunther Van Cauwenberge, Johann-Peter Melder, Till Gerlach, Frank Kiesslich, Ekkehard Schwab +1 more |
2010-04-13 |
| 7674929 |
Method for the production of β-aminopropionic acid derivatives |
Johann-Peter Melder, Thomas Preiss, Harald Meissner |
2010-03-09 |
| 7615665 |
Method for producing ethylene amines |
Till Gerlach, Johann-Peter Melder |
2009-11-10 |
| 7601875 |
Method for producing ethyleneamines |
Matthias Frauenkron, Johann-Peter Melder, Roderich Röttger, Markus Siegert, Till Gerlack +2 more |
2009-10-13 |
| 7393978 |
Method for producing ethylene-amines |
Matthias Frauenkron, Thomas Krug, Johann-Peter Melder, Roderich Röttger, Markus Siegert +4 more |
2008-07-01 |
