Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888409 | Thermotropic copolyazomethines and process for preparing them | Ugo Pedretti, Cesarina Bonfanti, Hassan-Ali Hakemi, Arnaldo Roggero | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888409 | Thermotropic copolyazomethines and process for preparing them | Ugo Pedretti, Cesarina Bonfanti, Hassan-Ali Hakemi, Arnaldo Roggero | 1989-12-19 |