Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7094271 | Method for producing stainless steels, in particular high-grade steels containing chromium and chromium-nickel | Stefan Lemke, Johann Reichel, Bernt Rollinger | 2006-08-22 |
| 6679931 | Method for recovering metallic chromium from slag containing chromium oxide | Jan Reichel | 2004-01-20 |