Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943317 | Agent for desulphurizing iron melts, a process for the production thereof and a process for desulphurizing iron melts with the use of said agent | Helmut Lischka, Werner Gmohling | 1990-07-24 |