Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8986424 | Rhenium recovery | — | 2015-03-24 |
| 8658114 | Methods for recovering cobalt from copper solvent extraction raffinate | Matthew L. Rodgers, Charles R. Marston | 2014-02-25 |
| 5849172 | Copper solvent extraction and electrowinning process | Glenn C. Allen, George R. Burns | 1998-12-15 |
| 5733429 | Polyacrylic acid additives for copper electrorefining and electrowinning | Sylvia Martin | 1998-03-31 |
| 4447307 | Electrowinning cell having partially shielded anodes | Larry A. Davis, Gregory H. Boyce, Timothy P. Mulloy, Elmer C. Newman, Donald J. Quinn +1 more | 1984-05-08 |