Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808345 | Process for the preparation of tetrachloroterephthaloyl dichloride by means of the chlorination of terephthaloyl dichloride with gaseous chlorine | Enrico Pontoglio, Sandro Parodi, Giuseppe Ghielmetti | 1989-02-28 |
| 4572806 | Process for the continuous production of tetrachlorophthalo-nitrile in two reactors in series | Giuseppe Ghielmetti, Giordano Donelli | 1986-02-25 |
| 4485050 | Process for the continuous production of tetrachlorophthalonitrile in a fluidized bed reactor | Giordano Donelli | 1984-11-27 |