Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897781 | Method for producing hydrogen cyanide | Martin Steurenthaler, Martin Steffan, Manfred Bäuml | 2024-02-13 |
| 10947127 | Process for the production of ammonium perrhenate | Gerhard Wedde | 2021-03-16 |
| 10441942 | Reaction tube and method for producing hydrogen cyanide | Martin Steffan, Martin Steurenthaler, Martin Körfer, Steffen Krill | 2019-10-15 |
| 10414730 | Catalytic hydrogenation of nitriles | Wahed Ahmed Moradi, Thomas Himmler, Albert Schnatterer, Gunter Schlegel | 2019-09-17 |
| 9440908 | Process for preparing N-(5-chloro-2-isopropylbenzyl)cyclopropanamine | Thomas Himmler, Sandra LEHMANN, Mathias Riedrich, Lars Rodefeld, Frank Volz +1 more | 2016-09-13 |
| 9260378 | Process for the preparation of substituted N-(benzyl)cyclopropanamines by imine hydrogenation | Norbert Lui, Wahed Ahmed Moradi | 2016-02-16 |
| 9169198 | Method for the production of 2-amino-5-cyano-N,3-dimethylbenzamide | Frank Volz, Thomas Himmler, Sandra LEHMANN, Sascha Von Morgenstern, Wahed Ahmed Moradi +2 more | 2015-10-27 |
| 9018417 | Process for recovering aliphatic monocarboxylic acids from distillation | Guido D. Frey, Jörg Arnold, Wolfgang Hofs, Matthias Kramer, Heinz Strutz | 2015-04-28 |
| 8975448 | Process for preparing 2,2-difluoroethanol | Norbert Lui, Stefan Moczarski | 2015-03-10 |
| 8766012 | Process for the preparation of 2,2-difluoroethylamine starting from prop-2-en-1-amine | Norbert Lui, Christian Funke, Jens-Dietmar Heinrich | 2014-07-01 |
| 8524937 | Process for preparing polyol esters | Michael Adamzik, Willy Schulz, Heyko Jürgen Schultz | 2013-09-03 |
| 8450528 | Process for the preparation of 2,2-difluoroethylamine starting from a benzylamine compound | Norbert Lui, Jens-Dietmar Heinrich, Christian Funke, Gunter Schlegel | 2013-05-28 |
| 8283495 | Process for preparing optically active cyclic amines | Hansjörg Dietrich, Mark James Ford, José Maria Lassaletta Simon, Abel Ros Laó, Antonio Magriz Tascón | 2012-10-09 |
| 8148430 | Process for the hydrogenation of aromatic compounds | Rolf Hartung, Franz Hitzel-Zerrahn, Jörg Pietsch | 2012-04-03 |
| 8143455 | Process for preparing 2-hydroxyacetals and the corresponding 2-hydroxyalkanals | Michael Dockner | 2012-03-27 |
| 8124813 | Method of producing 2-phenoxyacetals and the corresponding 2-phenoxy-carbaldehydes therefrom | Michael Dockner | 2012-02-28 |
| 7982072 | Process for the obtention of purified heptafluoropropane | Dominique Balthasart, Bernd Kutzner | 2011-07-19 |
| 7872162 | Process for the obtention of purified heptafluoropropane | Dominique Balthasart, Bernd Kutzner | 2011-01-18 |
| 7459591 | Process for the obtention of purified heptafluoropropane | Dominique Balthasart, Bernd Kutzner | 2008-12-02 |
| 6482972 | Isomeric nonanols and decanols, their preparation, phthalic esters obtained therefrom and their use as plasticizers | Helmut Bahrmann, Wilfried Fenske, Wolfgang Greb, Peter Heymanns, Peter Lappe +2 more | 2002-11-19 |
| 6300521 | Process for preparing oxoisophorone | Martin Klatt, Bernhard Bockstiegel | 2001-10-09 |
| 6297404 | Process for preparing oxoisophorone using additives | Martin Klatt, Bernhard Bockstiegel | 2001-10-02 |
| 6258933 | Process for the one-stage resalting and purification of oligopeptides | Kurt A. Gunther, Franz Kunz, Karlheinz Drauz | 2001-07-10 |
| 6133372 | Aqueous polymer dispersion, process for preparing the same and its use in leather production | Helmut Lohmann, Waldemar Inger, Stephan Ramlow | 2000-10-17 |
| 6090913 | Transesterification and other conversion reactions of acid derivatives, using an amidine base | Karlheinz Drauz, Matthias Kottenhahn, Dieter Seebach, Adrian Thaler | 2000-07-18 |