Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8906220 | Method for production of metallic cobalt from the nickel solvent extraction raffinate | Marcelo Augusto Castro Lopes da Costa, Omar Antunes Do Carmo, Salomão Solino Evelin | 2014-12-09 |
| 8187360 | Process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the pH of the solution | Marcelo Augusto Castro Lopes da Costa, Omar Antunes do Carmo, Salomão Solino Evelin | 2012-05-29 |