Ferrania, S.p.A.
21Patents
0Active
21Granted
29Portfolio score
Filing activity: Nov 6, 1997 → Oct 30, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6387473B1 | Receiving sheet for ink-jet printing comprising a surfactant combination | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6720043B1 | Receiving sheet for ink-jet printing comprising a gelatin and saccharides combination | Performing Operations; Transporting | 7 | Expired |
| US6841205B1 | Ink-jet printing receiving sheet comprising gelatin and a metal salt | Performing Operations; Transporting | 6 | Expired |
| US6592953B1 | Receiving sheet for ink-jet printing comprising a copolymer | Performing Operations; Transporting | 5 | Expired |
| US6796650B2 | Ink-jet printing system | Performing Operations; Transporting | 5 | Expired |
| US6258522A | Silver bromoiodide core-shell grain emulsion | Physics | 3 | Expired |
| US6793333B2 | Ink receiving sheet | Performing Operations; Transporting | 2 | Expired |
| US6764727B1 | Ink-jet print receiving sheet comprising a high-boiling organic solvent and an aionic surfactant | Performing Operations; Transporting | 2 | Expired |
| US6518005B2 | Silver halide multilayer color photographic material | Physics | 1 | Expired |
| US5998110A | Photographic silver halide developer composition and process for forming photographic silver images | Physics | 1 | Expired |
| US6632886B2 | Optical film comprising polyarylates containing bis-(hydroxyphenyl)-fluorene-ortho-disubstituted bisphenols | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6664038B2 | Photographic element having improved sensitometry and mechanical resistance | Physics | 1 | Expired |
| US6511796B2 | Color photographic element | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6670111B2 | Photographic dispersions for yellow filter dyes | Physics | 0 | Expired |
| US6875565B2 | Silver halide photographic emulsion and photographic element comprising it | Physics | 0 | Expired |
| US6620979B2 | High purity 9,9-bis-(hydroxyphenyl)-fluorene and method for the preparation and purification thereof | Chemistry; Metallurgy | 0 | Expired |
| US6242168A | Silver halide color photographic light-sensitive elements having improved image quality | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6815154B2 | Silver bromoiodide core-shell grain emulsion | Physics | 0 | Expired |
| US6261752A | Alkaline soluble mixture composed of cellulose derivatives | Chemistry; Metallurgy | 0 | Expired |
| US6348305B2 | Photographic element with a layer improving the adhesion to the support base | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6878512B2 | Silver halide tabular grain emulsion | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.