Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332067 | Process for the preparation of α-substituted carboxylic acids from the series comprising α-hydroxycarboxylic acids and n-substituted-α-aminocarboxylic acids | Christian Reufer, Martin Hateley, Thomas Lehmann, Christoph Weckbecker, Jürgen Bilz | 2008-02-19 |
| 5840174 | Process for the purification of gases | Thomas Lehmann, Dieter Engel | 1998-11-24 |