Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7390932 | Method for preparing highly concentrated, gaseous formaldehydes | Neven Lang, Ulrich Steinbrenner, Hans Hasse, Michael Ott, Thomas Grützner | 2008-06-24 |
| 7273955 | Method for thermal stabilization of highly concentrated formaldehyde solutions | Thomas Grützner, Hans Hasse | 2007-09-25 |