Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620567 | Process for the removal of aldehydes and acetals from industrially prepared acetic acid | Andreas Seidel, Peter Prinz | 1997-04-15 |
| 5306398 | Process for the purification of waste acetic acid | Andreas Seidel, Erhard Jagers | 1994-04-26 |
| 4252983 | Production of acetic anhydride and acetic acid from acetaldehyde | Heinz Erpenbach, Klaus Gehrmann, Kurt Karrenbauer, Winfried Lork | 1981-02-24 |