Dye sensitized light-sensitive core/shell silver halide photographic material
US4704351A · kind A · utility
7Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1985 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Aug 26, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is disclosed a light-sensitive silver halide photographic material which has at least one silver halide emulsion layer on a support, the silver halide emulsion layer includes substantially monodispersed core/shell type silver halide grains, and the silver halide grains are those which have been sensitized with a combination of at least one of sensitizing dyes represented by the following formulae (I) and (II): ##STR1## wherein R.sub.1 to R.sub.8, Y.sub.1 to Y.sub.3, Z.sub.1 to Z.sub.8, X.sub.1.sup..crclbar., X.sub.2.sup..crclbar., m and n have the same meanings as defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.