Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8470272 | Magnesium recycling and sulphur recovery in leaching of lateritic nickel ores | Antonio Clareti Pereira, Felipe Hilario Guimaraes, Joao Alberto de Lessa Tude, Tiago Valentim Berni | 2013-06-25 |
| 7618601 | Process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elements | Ronaldo Moreira De Horta, Joao Alberto Lessa Tude | 2009-11-17 |