Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363906 | Condensation product prepared from N,N'-ethylene-urea and formaldehyde | Osvaldo Cicchetti, Spartaco Fontani, Renato Locatelli, Guido Bertelli, Pierpaolo Roma | 1982-12-14 |
| 4336182 | Self-extinguishing polymeric compositions | Spartaco Fontani, Osvaldo Cicchetti | 1982-06-22 |