Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647661 | Method of preparing .omega.-lactams, in particular caprolactam | Leandro Zuliani, Sergio Ferruzzi | 1987-03-03 |
| 4606858 | Method of purifying caprolactam | Enrico Bondi | 1986-08-19 |
| 4578511 | Method of preparing pure benzoic acid | Pietro P. Rossi, Sergio Ferruzzi | 1986-03-25 |
| 4328154 | Process for the purification of raw caprolactam | Mario Catoni, Domenico Astarita | 1982-05-04 |
| 4326925 | Process for the purification of caprolactame | Domenico Astarita | 1982-04-27 |
| 4314940 | Method for the purification of raw caprolactam | Nando Toderi | 1982-02-09 |
| 4293494 | Method for the purification of raw caprolactam which contains amides and other by-products | Domenico Astarita | 1981-10-06 |