Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5505310 | 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores | Anna Marabini, Giorgio Bornengo, Fabrizio Bergamini | 1996-04-09 |
| 5169073 | Process for separating and recovering lead, rubber and copper wires from waste cables | Anna Marabini, Thomas P. Meloy, Pei-Chang Huang | 1992-12-08 |
| 5120432 | Process for the selective flotation of metal ores using 2-mercaptothi-azole derivatives | Giorgio Bornengo, Anna Marabini | 1992-06-09 |
| 4851037 | Collecting agents for the selective flotation of lead and zinc ores and a process for preparing the same | Giorgio Bornengo, Filippo M. Carlini, Anna Marabini | 1989-07-25 |
| 4724072 | Collecting agents for the selective flotation of lead and zinc ores | Giorgio Bornengo, Filippo M. Carlini, Maria A. Marabini | 1988-02-09 |