Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155894 | Method for reducing arsenic content in arsenic-bearing gold material | Paul Skayman, Jinxing Ji | 2021-10-26 |
| 8221710 | Recovering metals from complex metal sulfides | John Stiksma | 2012-07-17 |
| 7846404 | Process for separating and recovering base metals from used hydroprocessing catalyst | Rahul Shankar Bhaduri, John Stiksma | 2010-12-07 |
| 7837960 | Process for separating and recovering base metals from used hydroprocessing catalyst | Rahul Shankar Bhaduri, John Stiksma | 2010-11-23 |