Silver halide photographic emulsion
US4582786A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1984 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Nov 29, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic emulsion in which tabular silver halide grains having a diameter-to-thickness ratio of 5 or more account for 50% or more of the whole silver halide grains in terms of projected area, said silver halide emulsion containing at least one cyanine dye represented by the following general formula (I) and at least one compound represented by the following general formula (II) and/or at least one compound represented by the following general formula (III): ##STR1## wherein the substituents are as defined in the claims. The silver halide photographic emulsion is an extremely sensitive, spectrally sensitized emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.