Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4301125 | Extraction of pre-reduced lateritic ores with aqueous sulphuric acid in the presence of peroxidant | Alfred R. Burkin | 1981-11-17 |
| 4282189 | Precipitation of metal values from organic media | Gunnar Thorsen | 1981-08-04 |