Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634579 | Selective removal of arsenical material in the course of an alkaline process for treating a uraniferous and/or molybdeniferous ore by means of a magnesium compound | Pierre Maurel, Jean-Michel Lamerant | 1987-01-06 |
| 4613361 | High-temperature pretreatment by means of an alkaline aqueous solution of ores having an argillaceous gangue containing at least one usable element | Jean-Michel Lamerant, Pierre Personnet | 1986-09-23 |