Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376160 | Agent for the treatment of metal melts | Dominique Riche, Franck B. Villette | 1994-12-27 |
| 4897114 | Nitrogen-containing additive for steel melts | — | 1990-01-30 |
| 4892580 | Lead-containing additive for steel melts | — | 1990-01-09 |