| 9663842 |
System and method for rare earths extraction |
Tiago Valentim Berni, Antonio Clareti Pereira, João Alberto Lessa Tude |
2017-05-30 |
| 9034283 |
Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents |
Renato de Souza Costa |
2015-05-19 |
| 8961649 |
System and method for extracting base metal values from oxide ores |
Antonio Clareti Pereira, Tiago Valentim Berni, Ahmed Vahed |
2015-02-24 |
| 8597601 |
Selective base metals leaching from laterite ores |
Tiago Valentim Berni, Antonio Clareti Pereira |
2013-12-03 |
| 8430946 |
Process for recovery of nickel and cobalt from laterite ores using ion exchange resin |
— |
2013-04-30 |
| 8147782 |
Producing nickel hydroxide suitable for pelletization with iron-containing ore and for stainless steel manufacture |
Marc Murray Rishea, Indje Ognianov Mihaylov, Mohamed Buarzaiga |
2012-04-03 |
| 7901484 |
Resin-in-leach process to recover nickel and/or cobalt in ore leaching pulps |
— |
2011-03-08 |