Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10358692 | Process for metal extraction with sorption leaching in wet solids | Pavel Spiridonov, Ricardo Oliver Hein Hoernig | 2019-07-23 |
| 8298510 | Process for improving phase separations in solvent extraction circuits | Eladio Rojas | 2012-10-30 |
| 7635457 | Method for heap and dump leaching coupled with solvent extraction for metal recovery | Gary A. Kordosky, Andrew Nisbett | 2009-12-22 |
| 7166144 | Interlaced series parallel configuration for metal solvent extraction plants | Gabriel Araya | 2007-01-23 |
| 7025899 | Concentrated solutions of oxime metal extractants and method of formulating extractant compositions therefrom | R. Brantley Sudderth, George A. Wolfe, Ralph L. Jensen, Gary A. Kordosky, Michael J. Virnig +3 more | 2006-04-11 |
| 6702872 | Processes for the recovery of copper from aqueous solutions containing nitrate ions | Michael J. Virnig, Phillip L. Mattison | 2004-03-09 |
| 6596053 | Processes for the recovery of copper from aqueous solutions containing nitrate ions | Michael J. Virnig, Phillip L. Mattison | 2003-07-22 |
| 6432167 | Processes for the recovery of copper from aqueous solutions containing nitrate ions | Michael J. Virnig, Phillip L. Mattison | 2002-08-13 |
| 5879556 | Method of recovering extractant | — | 1999-03-09 |
| 4561887 | Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction | Esteban M. Domic | 1985-12-31 |