Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772730 | Process for separating contaminants from organic phases during hydrometallurgical extraction of metals | Gustavo H. Bannach Sichtermann, Andres A. Reghezza Inzunza, Alberto Segundo Cruz Rivera, Gino Salvador Slanzi Guerra, Ernesto Otmardo Riedel Hohmann +1 more | 1998-06-30 |
| 5527382 | Hydrometallurgical process for the treatment of copper bearing ore | Andres Antonio Reghezza Insunza, Alberto Segundo Cruz Rivera | 1996-06-18 |
| 5427605 | Methods for purifying aqueous phases in hydrometallurgical extractions | Renzo A. Gasparini Noziglia, Gustavo H. Bannach Sichtermann, Andres A. Reghezza Inzunza, Alberto Segundo Cruz Rivera, Gino Salvador Slanzi Guerra +7 more | 1995-06-27 |
| 5356457 | Hydrometallurgical process for the treatment of copper-bearing ore | Andres Antonio Reghezza Insunza, Alberto Segundo Crus Rivera | 1994-10-18 |