Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512368 | Method for removing fluoride from a zinc-containing solution or suspension, defluoridated zinc sulfate solution and use thereof, and method for producing zinc and hydrogen fluoride or hydrofluoric acid | Fritz Ludewig, Stefan STEINLECHNER | 2022-11-29 |
| 10174389 | Method for treating desulfurization slag | Karl Pilz, Bertram Fritz, Gerald Schneeberger | 2019-01-08 |