Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203769 | Process for the treatment of fluoboric electrolyte | — | 2001-03-20 |
| 6159356 | Process for the production of high purity copper metal from primary or secondary sulphides | — | 2000-12-12 |
| 6136059 | Process for reducing the electric steelworks dusts and facility for implementing it | — | 2000-10-24 |
| 6086744 | Production of electrolytic copper from dilute solutions contaminated by other metals | — | 2000-07-11 |
| 5534131 | Process for heavy metals electrowinning | — | 1996-07-09 |
| 5468354 | Process for heavy metal electrowinning | — | 1995-11-21 |
| 5391267 | Process for the production of alkali metal hydroxides and elemental sulfur from sulfur-containing alkali-metal salts | — | 1995-02-21 |
| 5372684 | Process for the direct electrochemical refining of copper scrap | — | 1994-12-13 |