Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005755 | Most effective process for base-free preparation of ketone intermediates usable for manufacture of nebivolol | Ilia Freifeld, Gerhard Jas, Richard R. Dauer | 2018-06-26 |
| 9822090 | Method for producing nebivolol hydrochloride of high purity | Alexandre Clavel, Ilia Freifeld, Gerhard Jas | 2017-11-21 |
| 6821990 | Ethanol solvate of (-)-cis-2-(2-chlorophenyl)-5, 7-dihydroxy-8 [4R-(3S-hydroxy-1-M ethyl) piperidinyl]-4H-1-benzopyran-4-one | — | 2004-11-23 |
| 5401498 | Pharmaceuticals comprising polyhydroxymethylene derivatives, process for their preparation and use | Rudolf Schmidtberger, Stefan Mullner, Ernold Granzer | 1995-03-28 |
| 5399722 | Process for preparing tert-butyl (3R,5S)-6-hydroxy-3,5--O--isopropylidene-3,5-dihydroxyhexanoate | Gerhard Beck, Joachim-Heiner Jendralla | 1995-03-21 |
| 5294724 | 4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters and a process for their preparation | Heiner Jendralla, Gunther Wess, Gerhard Beck | 1994-03-15 |
| 5091386 | 7-substituted derivatives of 3,5-dihydroxyhept-6-ynoic acids and corresponding lactones and their use as hypercholeserolemics | Wilhelm Bartmann, Gunther Wess, Ernold Granzer | 1992-02-25 |
| 4977279 | Process for the preparation of optically active 3-demethylmevalonic acid derivatives, and intermediates | Gunther Wess, Ekkehard Baader, Gerhard Beck | 1990-12-11 |
| 4970313 | Optically active 3-demethylmevalonic acid derivatives, and intermediates | Gunther Wess, Ekkehard Baader, Gerhard Beck | 1990-11-13 |
| 4925852 | 3-demethylmevalonic acid derivatives, and pharmaceutical products based on these compounds | Gerhard Beck, Wilhelm Bartmann, Ernold Granzer | 1990-05-15 |