Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809535 | Process for the preparation of alkyl mercaptans | Benjamin Fonfe, Harald Jakob | 2017-11-07 |
| 9206121 | Method for the production of D,L-methionine | Dieter Buss, Martin Steurenthaler, Michael R. Rinner, Hans Joachim Hasselbach, Caspar-Heinrich Finkeldei +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, Hans Joachim Hasselbach, Caspar-Heinrich Finkeldei +2 more | 2015-09-15 |
| 8759592 | Process for preparing methylmercaptopropionaldehyde | Caspar-Heinrich Finkeldei, Pablo Zacchi, Benjamin Fonfe, 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, Hans Joachim Hasselbach, Caspar-Heinrich Finkeldei +2 more | 2014-05-20 |
| 8624066 | Process for preparing methylmercaptopropionaldehyde | Caspar-Heinrich Finkeldei, Pablo Zacchi, Benjamin Fonfe, Martin Koerfer, 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 |
| 8008530 | Process for preparing methyl mercaptan | Hubert Redlingshöfer, Caspar-Heinrich Finkeldei, Christoph Weckbecker, Wolfgang Bock, Klaus Huthmacher | 2011-08-30 |
| 7833508 | Reaction vessel and process for its use | Hubert Redlingshöfer, Jan-Olaf Barth, Caspar-Heinrich Finkeldei, Hans Joachim Hasselbach, Harald Heinzel +1 more | 2010-11-16 |
| 6605746 | Process for the preparation of 6-methylheptanone | Steffen Krill, Achim Schneider | 2003-08-12 |
| 6566559 | Process for the production of isopropenyl methyl ether | Steffen Krill, Volker Hafner, Georg Markowz | 2003-05-20 |
| 6265617 | Process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (.beta.-isophorone) by isomerization of 3,5,5- trimethylcyclohexa-2-en-1-one (.alpha.-isophorone) | Steffen Krill, Hans Joachim Hasselbach, Klaus Huthmacher, Rainer Hahn, Hermann Schmitt | 2001-07-24 |
| 6239294 | Process to produce .alpha.-tocopherol-acetate | Steffen Krill, Klaus Huthmacher | 2001-05-29 |