Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975167 | Process for production of pure tungstic acid or molybdic acid from impure alkali metal tungstate or molybdate solutions | Ruben Olah, Laszlo Bartha | 1990-12-04 |
| 4405571 | Process for selective dissolution of molybdenum in the presence of tungsten | Laszlo Bartha, Tivadar Millner, Endre Tekula, Andras Kiss | 1983-09-20 |