Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789529 | Recovery of zinc from zinc bearing sulphidic ores and concentrates by controlled oxidation roasting | Murry C. Robinson, Donald W. Kirk | 1988-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789529 | Recovery of zinc from zinc bearing sulphidic ores and concentrates by controlled oxidation roasting | Murry C. Robinson, Donald W. Kirk | 1988-12-06 |