Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9463986 | Hydrometallurgical method for recovery of zinc in sulphuric medium starting from sulphidic zinc concentrates with high iron content | — | 2016-10-11 |
| 5744109 | Continuous procedure for the simultaneous collection and precipitation of mercury in gases containing it | Fernando Sitges Menendez, Francisco Alvarez Tamargo, Matias Rodriguez Valcarcel, Cavodonga Muruzabal Sitges | 1998-04-28 |
| 5567285 | Facility for removing electro-deposited layers from cathodes | Francisco J. Sitges Menendez, Fernando Sitges Menendez, Francisco Alvarez Tamargo, Jose M. Quiroga Alvarez, Ives Lefevre +1 more | 1996-10-22 |