Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180426 | Dipeptide-containing granular material | Hans Joachim Hasselbach, Gerit Niggemann, Antje HANSMEIER, Hans Christian Alt, Dominik Egly +1 more | 2021-11-23 |
| 11014878 | Method for preparing 3-methylthiopropionaldehyde | Stephan Rautenberg, Sascha Ceylan, Judith Hierold, Harald Jakob, Christian Kaiser +3 more | 2021-05-25 |
| 10556850 | Process for the purification of acrolein | Thorsten MERKER, Michael EICKER, Bruno KRUDEWIG, Rainer Malzkorn, Haohao ZHU | 2020-02-11 |
| 9649615 | Reactor and process for preparing hydrogen sulphide | Caspar-Heinrich Finkeldei, Chiu Kee Cheung, Ralf Maassen, Stefan Wenner | 2017-05-16 |
| 9630843 | Reactor and process for preparing hydrogen sulphide | Caspar-Heinrich Finkeldei, Chiu Kee Cheung, Ralf Maassen, Geert Van Eester, Stefan Wenner | 2017-04-25 |
| 9617209 | Process for obtaining methionine | Stefan Reichert, Harald Jakob, Hans Joachim Hasselbach | 2017-04-11 |
| 9464045 | Process for the preparation of methionine | Hans Joachim Hasselbach, Stefan Reichert, Harald Jakob, Christoph Weckbecker, Klaus Huthmacher +3 more | 2016-10-11 |
| 9440208 | Reactor and process for preparing hydrogen sulphide | Caspar-Heinrich Finkeldei, Chiu Kee Cheung, Ralf Maassen, Stefan Wenner | 2016-09-13 |
| 9421511 | Reactor and process for preparing hydrogen sulphide | Caspar-Heinrich Finkeldei, Chiu Kee Cheung, Ralf Maassen, Stefan Wenner | 2016-08-23 |
| 9403764 | Method of production of a methionine salt | Hans Joachim Hasselbach, Christof P. Gruener, Franz H. Hanrath, Juergen Stock, Jignesh Gangadwala +1 more | 2016-08-02 |
| 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 |
| 9156782 | Process for the preparation of methionine | Hans Joachim Hasselbach, Stefan Reichert, Harald Jakob, Christoph Weckbecker, Klaus Huthmacher +3 more | 2015-10-13 |
| 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 |
| 9029597 | Method for the conversion of methylmercaptopropionaldehyde formed from crude acrolein and crude methyl mercaptan | Martin Steffan, Hans Joachim Hasselbach, Harald Jakob, Jignesh Gangadwala | 2015-05-12 |
| 9023284 | Method of production of a methionine salt | Hans Joachim Hasselbach, Christof P. Gruener, Franz H. Hanrath, Juergen Stock, Jignesh Gangadwala +1 more | 2015-05-05 |
| 8906407 | Protected active compound formulations of amino acids and process for their preparation | Hans-Albrecht Hasseberg, Winfried Heimbeck, Dieter Greissinger, Wolfgang Moese, Wolfgang Polzer +1 more | 2014-12-09 |
| 8877981 | Integrated process for preparing acrolein and 3-methylmercaptopropionaldehyde | Pablo Zacchi, Caspar-Heinrich Finkeldei | 2014-11-04 |
| 8759592 | Process for preparing methylmercaptopropionaldehyde | Caspar-Heinrich Finkeldei, Pablo Zacchi, Benjamin Fonfe, Stephan Kretz, 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 | Caspar-Heinrich Finkeldei, Pablo Zacchi, Benjamin Fonfe, Stephan Kretz, Hans Joachim Hasselbach +1 more | 2014-01-07 |
| 8546601 | Storage-stable 2-hydroxy-4-(methylthio)butyronitrile | Dieter Buss, Martin Steurenthaler, Joachim Hans Hasselbach, Michael R. Rinner, Benjamin Fonfe +1 more | 2013-10-01 |