Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883893 | Process for the continuous production of phtalodinitrile | Enrico Pontoglio, Giancarlo Caretti | 1989-11-28 |
| 4883894 | Process for the production in continuous of phthalodinitrile | Enrico Pontoglio, Giancarlo Caretti | 1989-11-28 |
| 4808345 | Process for the preparation of tetrachloroterephthaloyl dichloride by means of the chlorination of terephthaloyl dichloride with gaseous chlorine | Enrico Pontoglio, Giuseppe Ghielmetti, Liborio Casale | 1989-02-28 |
| 4806672 | Process for the continuous production of isophthalodinitrile | Enrico Pontoglio, Giordano Donelli, Giancarlo Caretti | 1989-02-21 |