Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9174922 | Method for producing vinyl esters | Leif Johnen, Heinz Strutz, Kurt Schalapski, Norman Nowotny, Wolfgang Hofs | 2015-11-03 |
| 9108898 | Continuous method for producing primary aliphatic amines from aldehydes | Dirk Bermann, Matthias Eisenacher, Leif Johnen, Peter Heymanns, Norman Nowotny +2 more | 2015-08-18 |