Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871584 | Consecutive or simultaneous leaching of nickel and cobalt containing ores | Houyuan Liu, Alexey Duarte | 2011-01-18 |
| 7597738 | Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process | Houyuan Liu, Alexey Duarte, Ivan Ratchev | 2009-10-06 |