Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6309559 | Silicate-, borate-and phosphate-free cooling fluids based on glycols and having improved corrosion behavior | Johann Schuster | 2001-10-30 |
| 6239081 | Alkali-metal-carboxylate-containing drilling fluid having improved corrosion properties | Joachim Korzilius | 2001-05-29 |
| 6093341 | Heat transfer medium based on alkylene glycols for solar units | Johann Schuster, Knud Pulletz | 2000-07-25 |
| 6059996 | Low-viscosity coolant brines having improved corrosion protection | Johann Schuster | 2000-05-09 |