| 10329237 |
Method for hydrogenating aromatic compounds |
Bernd Bastian Schaack, Martin Bock |
2019-06-25 |
| 9873658 |
Process for hydrogenating 4,4′-methylenedianiline |
Andreas Weickgenannt, Bernd Bastian Schaack, Barbara Wucher, Alexander Panchenko, Frank Hettche +2 more |
2018-01-23 |
| 9695121 |
2,6-bis-(aminomethyl)piperidine derivatives |
Stephanie Jaegli, Thomas Schmidt, Alfred Oftring, Alexander Panchenko, Oliver Molt |
2017-07-04 |
| 9650542 |
Use of polypropyleneimine as curing agent for epoxide resins |
Christoph Mueller, Christian Mueller, Alexander Panchenko, Ansgar Gereon Altenhoff, Monika Charrak +3 more |
2017-05-16 |
| 8987518 |
Polyamines and process for preparation thereof |
Ansgar Gereon Altenhoff, Christoph Mueller, Christian Mueller, Andreas Kunst, Thomas REISSNER |
2015-03-24 |
| 8592632 |
Process for preparing cyclic diamines |
Martin Ernst, Michael Limbach, Johann-Peter Melder, Beatrice Rössler-Feigel, Joaquim Henrique Teles |
2013-11-26 |
| 8440852 |
Method for producing tetraethylenepentamine |
Alfred Oftring, Randolf Hugo, Thilo Hahn, Katrin Baumann, Johann-Peter Melder |
2013-05-14 |
| 8299249 |
Method for producing TETA by means of EDDN |
Alfred Oftring, Katrin Baumann, Randolf Hugo, Thilo Hahn, Johann-Peter Melder |
2012-10-30 |
| 8153845 |
Method for producing aminonitriles |
Alfred Oftring, Thilo Hahn, Randolf Hugo, Katrin Baumann, Johann-Peter Melder |
2012-04-10 |
| 8142618 |
Processes for preparing pure xylylenediamine |
Randolf Hugo, Sabine Huber |
2012-03-27 |
| 7960590 |
Method for producing ethyleneamines from untreated AAN |
Alfred Oftring, Randolf Hugo, Thilo Hahn, Katrin Baumann, Johann-Peter Melder |
2011-06-14 |
| 7960591 |
Method for producing triethylenetetramine |
Alfred Oftring, Randolf Hugo, Katrin Baumann, Thilo Hahn, Johann-Peter Melder |
2011-06-14 |
| 7915454 |
Method for producing ethylenediamine |
Alfred Oftring, Randolf Hugo, Thilo Hahn, Katrin Baumann, Johann-Peter Melder |
2011-03-29 |
| 7880035 |
Method for producing ethyleneamines |
Alfred Oftring, Thilo Hahn, Randolf Hugo, Katrin Baumann, Johann-Peter Melder |
2011-02-01 |
| 7880036 |
Production method for ethyleneamine mixtures |
Alfred Oftring, Katrin Baumann, Randolf Hugo, Thilo Hahn, Johann-Peter Melder |
2011-02-01 |
| 7728174 |
Continuous hydrogenation processes for the preparation of xylylenediamines |
Randolf Hugo, Sabine Huber |
2010-06-01 |
| 7626058 |
Processes for producing ethylene amines |
Gunther van Cauwenberge, Johann-Peter Melder, Klemens Massonne, Steffen Oehlenschlaeger, Kai Michael Exner |
2009-12-01 |