Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10661360 | Rotary cutting tool assembly | — | 2020-05-26 |
| 10507531 | Cutting insert for profiling turning and cartridge for receiving a cutting insert | Helmut Gremer, Dieter Rosenland | 2019-12-17 |
| 10465334 | Process for finishing textiles | Tao Wang, Sharon Tan | 2019-11-05 |
| 7497931 | Distillative preparation of IPDA having a high cis/trans isomer ratio | Thomas Hill, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder, Erhard Henkes +2 more | 2009-03-03 |
| 7256313 | Method for the production of isophorondiamine (ipda, 3-aminomethyl-3,5,5-trimethyl- cyclohexylamine) having a high cis/tran-isomer ratio | Thomas Hill, Jobst Rüdiger von Watzdorf, Wolfgang Mattmann, Wolfgang Harder, Erhard Henkes +2 more | 2007-08-14 |
| 7253322 | Method for producing ethyldimethylamine and triethylamine | Ralf Böhling, Ulrich Steinbrenner, Gunter Muller, Günter Gaus, Christoph Benisch | 2007-08-07 |
| 7183438 | Catalysts and method for the production of amines | Till Gerlach, Johann-Peter Melder, Stefan Iselborn, Martin Rudloff, Michael Hullmann | 2007-02-27 |
| 7161039 | Method and device for producing ethylamine and butylamine | Ulrich Steinbrenner, Ralf Böhling | 2007-01-09 |
| 7122702 | Catalytic hydrogenation of an aliphatically unsaturated group in an organic compound | Till Gerlach, Johann-Peter Melder | 2006-10-17 |
| 7101824 | Preparation of ruthenium/iron catalysts supported on carbon | Till Gerlach, Hans-Georg Gobbel, Klaus Ebel, Ekkehard Schwab, Signe Unverricht +2 more | 2006-09-05 |
| 7060857 | Method for the production of isophorondiamine (ipda,3-aminomethyl-3,5,5-trimethylcyclohexylamine) | Thomas Hill, Johann-Peter Melder, Ekkehard Schwab, Walter Himmel, Erhard Henkes +2 more | 2006-06-13 |
| 7057075 | Method for producing amines by means of olefin animation in the presence of unstaturated nitrogen compounds | Ralf Böhling, Ulrich Steinbrenner, Reinhard Dier | 2006-06-06 |
| 7053246 | Preparation of a symmetrical secondary amine | Till Gerlach, Christoph Benisch, Johann-Peter Melder | 2006-05-30 |
| 7034186 | Preparation of an amine | Till Gerlach, Johann-Peter Melder | 2006-04-25 |
| 6916964 | Selective hydrogenation of olefinically unsaturated carbonyl compounds | Hans-Georg Gobbel, Till Gerlach, Klaus Ebel, Signe Unverricht, Gerd Kaibel | 2005-07-12 |
| 6790995 | Preparation of primary and secondary amines from nitriles | Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Ohlbach, Till Gerlach | 2004-09-14 |
| 6759561 | Preparation of tetrahydrogeraniol | Till Gerlach, Klaus Ebel, Signe Unverricht, Frank Haese, Kirsten Burkart +1 more | 2004-07-06 |
| 6743956 | Selective liquid phase hydrogenation of carbonyl compounds to give the corresponding alcohols in the presence of a Pt/ZnO catalyst | Mathias Haake, Till Gerlach | 2004-06-01 |
| 6689914 | Preparation of amines | Martin Schäfer, Arnd Bottcher, Andreas Kramer, Arthur Hohn, Shelue Liang | 2004-02-10 |
| 6677486 | Hydrogenation of nitriles over Raney catalysts | Andreas Ansmann, Christoph Benisch, Frank Ohlbach, Martin Merger | 2004-01-13 |
| 6576795 | Racemization of optically active amines | Shelue Liang, Andreas Kramer, Rainer Stürmer, Arthur Hohn | 2003-06-10 |
| 6576796 | Process for the preparation of alkylamines | Ulrich Steinbrenner, Matthias Frauenkron, Ralf Böhling, Johann-Peter Melder, Thomas Heidemann | 2003-06-10 |
| 6563004 | Process for preparing monoisopropylamine | Jan Nouwen, Stefan Käshammer, Arthur Hohn, Johann-Peter Melder, Frank Gutschoven +1 more | 2003-05-13 |
| 6548704 | Racemization of optically active amines | Shelue Liang, Andreas Kramer, Rainer Stürmer, Arthur Hohn | 2003-04-15 |
| 6525223 | Preparation of secondary amines from nitriles | Joachim Pfeffinger, Michael Hullmann, Arthur Hohn, Frank Ohlbach, Till Gerlach | 2003-02-25 |