Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360439 | Composition for the de-inking of printed waste paper by the washing process | Giulio Calmanti, Giovanni M. Dadea, Alfonso Gatti, Fulvio Burzio | 1982-11-23 |
| 4231841 | Process for the de-inking of printed waste paper | Giulio Calmanti, Giovanni M. Dadea, Alfonso Gatti, Fulvio Burzio | 1980-11-04 |