Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421203 | Substituted 4-methylene-tetrahydropyrans, 4-methyl-dihydropyrans and 4-methyl-tetrahydropyrans and use thereof as aroma chemicals | Miriam BRU ROIG, Florian Garlichs, Manuel Danz, Ralf Pelzer, Helmut Kronemayer +1 more | 2025-09-23 |
| 12319647 | 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde and derivatives and their use as aroma chemicals | Wolfgang Siegel, Silke Weyland, Ralf Pelzer | 2025-06-03 |
| 12297169 | 1-alkoxyethyl-4-isobutyl-benzene as aroma ingredients | Ralf Pelzer, Wolfgang Siegel, Miriam BRU ROIG, Manuel Danz, Silke Weyland +2 more | 2025-05-13 |
| 12168649 | Synthesis of chromanol and 2-methyl-1,4-naphthoquinone derivatives | Wolfgang Siegel, Michael Puhl | 2024-12-17 |
| 12103918 | Synthesis of chromanol derivatives | Wolfgang Siegel, Michael Puhl | 2024-10-01 |
| 11673874 | Synthesis of chromanol derivatives | Wolfgang Siegel, Michael Puhl | 2023-06-13 |
| 11136611 | Method for the preparation of (3E,7E)-homofarnesic acid or (3E,7E)-homofarnesic acid ester | Wolfgang Siegel, Michael Breuer, Mathias Schelwies | 2021-10-05 |
| 11098075 | Method for preparing 2′-O-fucosyllactose | Michael Puhl, Klaus Ditrich, Andreas Keller, Pepa Dimitrova, Wolfgang Siegel | 2021-08-24 |
| 11078146 | Method for preparing ethers of cycloaliphatic or araliphatic diols | Wolfgang Siegel, Ralf Pelzer, Florian Garlichs | 2021-08-03 |
| 10428361 | Biocatalytic production of l-fucose | Vaidotas Navickas, Michael Breuer, Michael Puhl, Kai-Uwe Baldenius, Wolfgang Siegel | 2019-10-01 |
| 10315975 | Method for the hydroformylation of 2-substituted butadienes and the production of secondary products thereof, especially ambrox | Julia Strautmann, Stefan Rüdenauer, Christian REIN, Rocco Paciello, Wolfgang Siegel +3 more | 2019-06-11 |
| 9758500 | Process for the preparation of (3E, 7E)-homofarnesol | Hansgeorg Ernst, Wolfgang Siegel, Ekkehard Winterfeldt, Reinhard W. Hoffmann | 2017-09-12 |
| 9493385 | Process for the preparation of (3E, 7E)-homofarnesol | Hansgeorg Ernst, Wolfgang Siegel, Ekkehard Winterfeldt, Reinhard W. Hoffmann | 2016-11-15 |