Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245242 | Cleanup of nitroaromatics-containing wastewaters | Ludwig Schuster, Hanns-Helge Stechl | 2001-06-12 |
| 5401873 | Preparation of methyl formate | Peter Zehner, Klaus Bittins, Wilhelm Haarde, Ulrich Eiden, Manfred Herr +1 more | 1995-03-28 |
| 4226634 | Process for preparing pigment compositions | Peter Dimroth, Helmut Knittel, August Seitz | 1980-10-07 |