Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5600018 | Preparation of glutaraldehyde | Rainer Becker, Wolfgang Friedrich, Juergen Schossig, Andreas Henne | 1997-02-04 |
| 4775540 | Preparation of pourable choline chloride/silica powders | Otto Hertel, Gerhard Jeschek, Wolfgang Koernig, Theodor Weber, Fritz Rateike | 1988-10-04 |