Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954322 | Process for the recovery of metal values contained in a gangue | — | 1990-09-04 |
| 4902343 | Hydrometallurgical process for the treatment of sulphidized compounds containing lead | Andre Georgeaux | 1990-02-20 |
| 4435368 | Hydrometallurgical process for selective dissolution of mixtures of oxy compounds | Paolo Fossi, Louis Gandon | 1984-03-06 |
| 4311676 | Process for the recovery of uranium contained in phosphated compounds | Serge Solar | 1982-01-19 |
| 4288304 | Hydrometallurgical process for treatment of sulphur ores | Louis Gandon, Andre Georgeaux | 1981-09-08 |
| 4282188 | Process for the recovery of uranium contained in phosphated solutions | Paolo Fossi, Dominique Guery | 1981-08-04 |
| 4236981 | Hydrometallurgical process for treating nickel mattes | Louis Gandon, Monique Goujet | 1980-12-02 |
| 4230487 | Method of selectively bringing into solution the non-ferrous metals contained in sulphurized ores and concentrates | Louis Gandon, Andre Georgeaux | 1980-10-28 |