Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413445 | Antifreeze concentrates and coolant compositions containing these concentrates for cooling circuits in internal combustion engines | Knut Oppenlander, Wolfgang H. H. Gunther, Klaus Pfitzner, Ladislaus Meszaros | 2002-07-02 |
| 6045719 | Use of quaternized imidazoles as corrosion inhibitors for non-ferrous metals, and coolant compositions and antifreeze concentrates comprising them | Ladislaus Meszaros, Klaus Pfitzner, Knut Oppenlander, Wolfgang H. H. Gunther | 2000-04-04 |