Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874475 | Molten salt extractive distillation process for zirconium-hafnium separation | Richard Stoltz | 1989-10-17 |
| 4865693 | Preparation of complexes of zirconium and hafnium tetrachlorides with phosphorus oxychloride | — | 1989-09-12 |
| 4865694 | Electrochemical decomposition of complexes of zirconium or hafnium | Thomas S. Snyder, Richard Stoltz | 1989-09-12 |
| 4865696 | Recovery of metal chlorides from their complexes by molten salt displacement | Richard Stoltz | 1989-09-12 |