Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393466 | Compositions and methods for anion absorbent metal hydroxides | Robert Lewis Clarke | 2008-07-01 |
| 5916534 | Noble metal recovery using selected base metal solubilizing agents at low pulp densities | — | 1999-06-29 |
| 5215575 | Recovery of gold, silver and platinum group metals with various leachants at low pulp densities | — | 1993-06-01 |
| 4980134 | Leaching process | — | 1990-12-25 |