Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587049 | Process for delignifying raw cellulosic material impregnated with monopersulphuric acid | Fausto Marzolini, Gianpiero Sacchi | 1996-12-24 |
| 4360439 | Composition for the de-inking of printed waste paper by the washing process | Salvatore Gafa, Giovanni M. Dadea, Alfonso Gatti, Fulvio Burzio | 1982-11-23 |
| 4231841 | Process for the de-inking of printed waste paper | Salvatore Gafa, Giovanni M. Dadea, Alfonso Gatti, Fulvio Burzio | 1980-11-04 |