Issued Patents 2019
Showing 1–1 of 1 patents
| 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 |