Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7022772 | Optical film comprising polyarylates containing bis-(hydroxyphenyl)-fluorene-ortho-disubstituted bisphenols | Simone Angiolini, Paolo Salvarani, Roberto Bracco | 2006-04-04 |
| 6632886 | Optical film comprising polyarylates containing bis-(hydroxyphenyl)-fluorene-ortho-disubstituted bisphenols | Simone Angiolini, Paolo Salvarani, Roberto Bracco | 2003-10-14 |
| 6620979 | High purity 9,9-bis-(hydroxyphenyl)-fluorene and method for the preparation and purification thereof | Simone Angiolini | 2003-09-16 |
| 6258522 | Silver bromoiodide core-shell grain emulsion | Mario Mariotti, Stefania Ghirardo, Giuseppe Rocca, Alessandro Gunnella, Ezio Astengo | 2001-07-10 |
| 6242168 | Silver halide color photographic light-sensitive elements having improved image quality | Raffaella Biavasco, Diego Brignone, Giuseppe Rocca, Luisa Tavella | 2001-06-05 |