Issued Patents All Time
Showing 1–3 of 3 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, Alberto Segundo Cruz Rivera, Gino Salvador Slanzi Guerra, 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, Alberto Segundo Cruz Rivera, Gino Salvador Slanzi Guerra +7 more | 1995-06-27 |
| 5334317 | Method for recovering organic material in solvent extraction processes | Gustavo H. Bannach Sichtermann, Aliro T. N. Pincheira Alverez, Alberto Segundo Cruz Rivera, Tomas S. Lorca Soto, Luis F. Hidalgo Cortes +2 more | 1994-08-02 |