Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4707347 | Process for the production of potassium sulfate from potassium chloride by means of ion exchangers | Gerd Peuschel | 1987-11-17 |
| 4556463 | Process for removing sulphate from electrolysts brine | Franz-Rudolf Minz | 1985-12-03 |
| 4198295 | Process for increasing the exchange yield in ion exchange processes | — | 1980-04-15 |