Silver halide photographic emulsion and photographic element comprising it
US6875565B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 30, 2003 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Oct 30, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/0055
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide emulsion which comprises silver halide tabular grains showing an average thickness lower than 0.15 μm, an average diameter of at least 1.20 μm and an average aspect ratio of at least 8:1 dispersed in a hydrophilic colloid mixture comprising from 10% to 30% by weight of dextran, from 20% to 40% by weight of a hydrogenated polysaccharide having an average molecular weight equal to or lower than 10,000, and from 40% to 60% by weight of gelatin and photographic element comprising it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.