Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8263788 | Method for the production of 1,3-dioxolane-2-ones and carboxylic acid esters by means of transacylation in basic reaction conditions | Joerg Brandenburg, Rolf Dach | 2012-09-11 |
| 6140502 | Heat-based process for the re-racemisation of a (-)-2-phenylmethyl-3,3-dimethyl-piperidin-4-on derivative | Matthias Grauert, Herbert Merz | 2000-10-31 |
| 6136980 | "Method of preparing norbenzomorphane as an intermediate in the preparation of pharmaceutically useful benzomorphane derivatives, in particular (-)-(1R,5S,2""R)-3'-hydroxy-2-(2-methoxypropyl)-5,9,9-trimethyl-6,7-benzo morphane" | Matthias Grauert, Herbert Merz | 2000-10-24 |
| 6124459 | Process for preparing pharmaceutically useful norbenzomorphane derivative | Matthias Grauert, Juergen Schnaubelt | 2000-09-26 |
| 6054604 | Method of preparing norbenzomorphane as an intermediate | Matthias Grauert, Herbert Merz | 2000-04-25 |
| 5945535 | Method of preparing norbenzomorphanes | Matthias Grauert, Herbert Merz | 1999-08-31 |