Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7708962 | Process for the separation and purification of hafnium and zirconium | Stéphane Lagarde, Alain Favre-Reguillon, Stephane Pellet-Rostaing, Marc Lemaire, Ludovic Poriel | 2010-05-04 |
| 6929786 | Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent | Gerard Picard, Delphine Tigreat | 2005-08-16 |