Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385420 | Purification of copper concentrate by removal of arsenic and antimony with concomitant regeneration and recycle of lixiviant | Peter Bartsch, Grenvil Marquis Dunn | 2019-08-20 |
| 9587290 | Hydrometallurgical method for the removal of radionuclides from radioactive copper concentrates | Grenvil Marquis Dunn, Peter Bartsch | 2017-03-07 |