Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349208 | Modification of copper/iron selectivity in copper solvent extraction systems | Keith Alan Cramer, Peter Eric Tetlow, John Campbell, Charles J. Maes | 2013-01-08 |
| 8282857 | Modification of copper/iron selectivity in copper solvent extraction systems | Keith Alan Cramer, Peter Eric Tetlow, John Campbell, Charles J. Maes | 2012-10-09 |