Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8889917 | Method of supplementing the catalyst in continuous hydroformylation | Edgar Zeller, Armin Ulonska, Volker Uhrig, Rene Magnie, Reimund Fattler | 2014-11-18 |
| 7220888 | Method for producing hydrocarbons having a modified carbon skeleton | Dominic Vanoppen, Ekkehard Schwab, Jean-Marie Basset, Jean Thivolle-Cazat, Mostapha Taoufik +1 more | 2007-05-22 |
| 6852869 | Method for the production of polytetrahydrofuran with low color index | Christoph Sigwart, Anton Meier, Michael Hesse, Volkmar Menger, Klaus-Peter Pfaff +1 more | 2005-02-08 |
| 6790995 | Preparation of primary and secondary amines from nitriles | Joachim Pfeffinger, Michael Hullmann, Frank Funke, Frank Ohlbach, Till Gerlach | 2004-09-14 |
| 6783693 | Hydraulic fluids, containing cyclic carboxylic acid derivatives | Bayram Aydin, Uwe Fidorra, Ladislaus Meszaros, Jan Nouwen, Knut Oppenlander +3 more | 2004-08-31 |
| 6723880 | Preparation of secondary amines from primary amines | Peter Neumann, Johann-Peter Melder, Christoph Benisch, Joachim Pfeffinger | 2004-04-20 |
| 6689914 | Preparation of amines | Martin Schäfer, Arnd Bottcher, Andreas Kramer, Shelue Liang, Frank Funke | 2004-02-10 |
| 6677495 | Oligomer mixtures derived from cyclopentene; method for the production and use thereof | Peter Schwab, Martin Schäfer | 2004-01-13 |
| 6627756 | Preparation of pure triethylenediamine | Hartmut Riechers, Joachim Simon, Ortmund Lang, Hartmut Schoenmakers, Matthias Rauls +1 more | 2003-09-30 |
| 6576795 | Racemization of optically active amines | Frank Funke, Shelue Liang, Andreas Kramer, Rainer Stürmer | 2003-06-10 |
| 6563004 | Process for preparing monoisopropylamine | Jan Nouwen, Stefan Käshammer, Frank Funke, Johann-Peter Melder, Frank Gutschoven +1 more | 2003-05-13 |
| 6548704 | Racemization of optically active amines | Frank Funke, Shelue Liang, Andreas Kramer, Rainer Stürmer | 2003-04-15 |
| 6538139 | Preparation of pyrrole and pyridine | Martin Schäfer, Arnd Bottcher, Andreas Kramer, Reinhard Kaczmarek, Erhard Henkes | 2003-03-25 |
| 6525223 | Preparation of secondary amines from nitriles | Joachim Pfeffinger, Michael Hullmann, Frank Funke, Frank Ohlbach, Till Gerlach | 2003-02-25 |
| 6525222 | Process for preparing amines | Jan Nouwen, Horst Neuhauser, Frank Funke, Stephan Schunk, Johann-Peter Melder +3 more | 2003-02-25 |
| 6462236 | Preparation of amines | Shelue Liang, Frank Funke | 2002-10-08 |
| 6455711 | Method for producing polytetrahydrofuran | Karsten Eller, Michael Hesse, Rainer Becker, Heinz Rutter | 2002-09-24 |
| 6441234 | Production of formamide using sodium diformylamide | Jurgen Dahlhaus, Jorn Karl, Michael Schulz, Anne Wenzel, Wolfgang Harder | 2002-08-27 |
| 6417353 | Preparing amines | Frank Funke, Joachim Wulff-Doring, Gerhard Schulz, Wolfgang Siegel, Andreas Kramer +4 more | 2002-07-09 |
| 6403845 | Preparation of pentanediols from alkoxydihydropyrans | Joachim Pfeffinger, Peter Wahl, Jan Nouwen, Karsten Eller, Jürgen Hunger | 2002-06-11 |
| 6271430 | Preparation of propene | Peter Schwab | 2001-08-07 |
| 6245948 | Preparation of tetrahydrofuran from dialkoxybutenes | Rolf Fischer, Rolf Pinkos, Martin Schäfer, Peter Schwab | 2001-06-12 |
| 6169189 | Process for preparing tetrahydrofuran from dialkoxybutenes | Rolf Fischer, Rolf Pinkos, Martin Schäfer, Peter Schwab | 2001-01-02 |
| 6160178 | Racemization of optically active amines | Hartmut Riechers, Joachim Simon, Andreas Kramer, Frank Funke, Wolfgang Siegel +1 more | 2000-12-12 |
| 6153797 | Racemizing of optically active amines | Hartmut Riechers, Joachim Simon, Andreas Kramer, Frank Funke, Wolfgang Siegel +1 more | 2000-11-28 |