Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409799 | Copper leach process aids | Ricardo Arancibia Cifuentes, Donald Carroll Roe, Andres Reghezza Inzunza | 2002-06-25 |
| 6261341 | Copper leach process aids | Ricardo Arancibia Cifuentes, Donald Carroll Roe, Andres Reghezza Inzunza | 2001-07-17 |
| 6258245 | Copper leach process aids | Ricardo Arancibia Cifuentes, Donald Carroll Roe, Andres Reghezza Inzunza | 2001-07-10 |