Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720456 | Process for the preparation of 2,3-pentanedione | Stefan Lambrecht, Oliver Franke | 2004-04-13 |
| 6680404 | Method of producing alkoxycinnamic acid ester | Walter Kuhn, Werner Marks | 2004-01-20 |