Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8357226 | Method for separating zinc, iron, calcium, copper and manganese from the aqueous solutions of cobalt and/or nickel | Rauno Luoma, Arja Oja | 2013-01-22 |
| 6706186 | Method for extracting copper from an aqueous solution | Bror Nyman, Stig-Erik Hultholm, Launo L. Lilja, Eero Ekman, Juhani Lyyra +2 more | 2004-03-16 |