Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5772730 | Process for separating contaminants from organic phases during hydrometallurgical extraction of metals | Gustavo H. Bannach Sichtermann, Aliro Teodoro Nelson Pincheira Alvarez, Andres A. Reghezza Inzunza, Alberto Segundo Cruz Rivera, Ernesto Otmardo Riedel Hohmann +1 more | 1998-06-30 |
| 5427605 | Methods for purifying aqueous phases in hydrometallurgical extractions | Renzo A. Gasparini Noziglia, Gustavo H. Bannach Sichtermann, Aliro Teodoro Nelson Pincheira Alvarez, Andres A. Reghezza Inzunza, Alberto Segundo Cruz Rivera +7 more | 1995-06-27 |