Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874482 | Process for the electroytic production of non-metals | Alfred J. Horstik, Gerbrand J. M. Van Eyden | 1989-10-17 |
| 4853094 | Process for the electrolytic production of metals from a fused salt melt with a liquid cathode | Alfred J. Horstik, Gerbrand J. M. Van Eyden | 1989-08-01 |
| 4851089 | Process for the electrolytic production of metals | Alfred J. Horstik, Gerbrand J. M. Van Eyden | 1989-07-25 |
| 4824541 | Fluid bed electrolysis cell | Richard E. Malpas, Gerardus J. C. M. Jansen, Johannes Spijkerman | 1989-04-25 |