Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338520 | Recovery of neodymium/didymium values from bastnaesite ores | Alain Leveque | 1994-08-16 |
| 5279789 | Ceric oxide particulates having improved morphology | Francoise Picard, Claire David | 1994-01-18 |