Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248838 | Process for preparing bisphenol fluorene compounds | Sergio Massirio, Mauro Besio, Marcello Gagliano, Brunella Fornasari, Piera Di Mito | 1993-09-28 |
| 4990435 | Silver halide photographic element, photographic coating composition and process to prepare an aqueous dispersion of a hydrophobic compound | Mauro Besio, Lorenzo Vittore | 1991-02-05 |
| 4946768 | 3-aminoallylidenemalononitrile UV-absorbing compounds and photographic elements containing them | — | 1990-08-07 |
| 4863801 | Surface treatment of pet film | — | 1989-09-05 |
| 4849326 | White light handeable direct-positive silver halide photographic elements | Mauro Besio, Alberto Vacca | 1989-07-18 |
| 4822728 | Silver halide color photographic elements | Marco Loiacono | 1989-04-18 |
| 4659647 | Photosensitive silver halide material for obtaining half-tone black-and-white images and method for half-tone high-contrast reproduction | Alberto Vacca | 1987-04-21 |
| 4576908 | Ultraviolet absorber in photographic elements | — | 1986-03-18 |
| 4447525 | Process for providing a matt surface on a photographic material and photographic material provided with such matt surface | Lorenzo Vittore | 1984-05-08 |
| 4367284 | Photographic elements with improved surface characteristics | Luigi Cellone, Roberto Leoncavallo | 1983-01-04 |
| 4307184 | Photographic elements containing polymers having aminoallylidenemalononitrile units | Paolo Beretta | 1981-12-22 |
| 4262088 | Photographic material having a removable antihalo layer | Alberto Valsecchi | 1981-04-14 |