Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8492579 | Method for producing astaxanthin dimethyldisuccinate | Hansgeorg Ernst, Walter Dobler, Andreas Keller | 2013-07-23 |
| 7378558 | Method for producing carotenoids | Hansgeorg Ernst, Andreas Keller | 2008-05-27 |
| 7339085 | Method for producing 2,7-dimethyl-octa-2,4,6-trienedial | Hansgeorg Ernst, Andreas Keller | 2008-03-04 |
| 7271296 | Method for the production of phytofluene | Hansgeorg Ernst | 2007-09-18 |
| 7045641 | Process for preparing polyenedialdehyde monoacetals | Hansgeorg Ernst | 2006-05-16 |
| 6747177 | Process for the preparation of meso-zeaxanthin | Hansgeorg Ernst, Klaus Ditrich | 2004-06-08 |
| 6743954 | Process for the preparation of meso-zeaxanthin | Hansgeorg Ernst, Klaus Ditrich | 2004-06-01 |
| 6610892 | Process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals | Hansgeorg Ernst | 2003-08-26 |
| 5654488 | Preparation of astaxanthin | Wolfgang Krause, Joachim Paust, Hansgeorg Ernst | 1997-08-05 |