Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851037 | Collecting agents for the selective flotation of lead and zinc ores and a process for preparing the same | Filippo M. Carlini, Anna Marabini, Vittorio Alesse | 1989-07-25 |
| 4816608 | Process for the preparation of (2,2)-paracyclophane and derivatives thereof | Alessandro Malacrida, Stefano Campolmi, Maurizio Beretta | 1989-03-28 |
| 4795838 | Process for the preparation of (2,2)-paracyclophane and derivatives thereof | Alessandro Malacrida, Stefano Campolmi, Maurizio Beretta | 1989-01-03 |