Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576651 | Treatment of scrap lining material from aluminium reduction cells | — | 1986-03-18 |
| 4472361 | Method of recovering alumina values from a starting solid mixture comprising AlCl.sub.3 and NaCl | Francoise Tahiani | 1984-09-18 |