Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7951220 | Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts | Ludivine Piezanowski | 2011-05-31 |
| 7951221 | Process for the treatment of contaminated metal residues and apparatus for implementing it | Ludivine Piezanowski, Marc Pelletier, Alain Laudet | 2011-05-31 |
| 7935174 | Treatment of steel plant sludges in a multiple-stage furnace | Emile Lonardi | 2011-05-03 |