Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9927120 | Method for thermally after-burning waste gases from acrolein and hydrocyanic acid production | Pablo Zacchi, Martin Körfer | 2018-03-27 |
| 9649615 | Reactor and process for preparing hydrogen sulphide | Chiu Kee Cheung, Ralf Maassen, Stefan Wenner, Martin Koerfer | 2017-05-16 |
| 9630843 | Reactor and process for preparing hydrogen sulphide | Chiu Kee Cheung, Ralf Maassen, Geert Van Eester, Stefan Wenner, Martin Koerfer | 2017-04-25 |
| 9440208 | Reactor and process for preparing hydrogen sulphide | Chiu Kee Cheung, Ralf Maassen, Stefan Wenner, Martin Koerfer | 2016-09-13 |
| 9421511 | Reactor and process for preparing hydrogen sulphide | Chiu Kee Cheung, Ralf Maassen, Stefan Wenner, Martin Koerfer | 2016-08-23 |
| 9206121 | Method for the production of D,L-methionine | Dieter Buss, Martin Steurenthaler, Michael R. Rinner, Stephan Kretz, Hans Joachim Hasselbach +2 more | 2015-12-08 |
| 9133113 | Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide | Dieter Buss, Martin Steurenthaler, Michael R. Rinner, Stephan Kretz, Hans Joachim Hasselbach +2 more | 2015-09-15 |
| 8877981 | Integrated process for preparing acrolein and 3-methylmercaptopropionaldehyde | Pablo Zacchi, Martin Koerfer | 2014-11-04 |
| 8759592 | Process for preparing methylmercaptopropionaldehyde | Pablo Zacchi, Benjamin Fonfe, Stephan Kretz, Martin Koerfer, Hans Joachim Hasselbach +1 more | 2014-06-24 |
| 8729288 | Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide | Dieter Buss, Martin Steurenthaler, Michael R. Rinner, Stephan Kretz, Hans Joachim Hasselbach +2 more | 2014-05-20 |
| 8624066 | Process for preparing methylmercaptopropionaldehyde | Pablo Zacchi, Benjamin Fonfe, Stephan Kretz, Martin Koerfer, Hans Joachim Hasselbach +1 more | 2014-01-07 |
| 8008530 | Process for preparing methyl mercaptan | Hubert Redlingshöfer, Stephan Kretz, Christoph Weckbecker, Wolfgang Bock, Klaus Huthmacher | 2011-08-30 |
| 7994366 | Process for continuously preparing methyl mercaptan from carbon- and hydrogen-containing compounds | Jan-Olaf Barth, Hubert Redlingshoefer, Christoph Weckbecker, Klaus Huthmacher | 2011-08-09 |
| 7833508 | Reaction vessel and process for its use | Hubert Redlingshöfer, Jan-Olaf Barth, Hans Joachim Hasselbach, Stephan Kretz, Harald Heinzel +1 more | 2010-11-16 |
| 6325946 | Process for treating waste water | Andrea Preuss, Matthias Woyciechowski, Steffen Hasenzahl | 2001-12-04 |