Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8968442 | Leaching process for copper concentrates with a carbon catalyst | David Dixon | 2015-03-03 |
| 8277539 | Leaching process for copper concentrates containing arsenic and antimony compounds | David Dixon | 2012-10-02 |