Silver halide photographic light-sensitive material
US4868100A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Aug 22, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/3835
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide photographic light-sensitive material is disclosed, which is improved on color reproducibility, image stability and toe gradiation. The photographic material comprises a support having thereon at least one silver halide emulsion layer containing at least one coupler represented by the following Formula I and a water-soluble iridium salt in an amount of from 10.sup.-9 mol to 10.sup.-3 mol per mol of silver halide; PAC Formula I ##STR1## In Formula I, at least one of the groups represented by R.sub.1, R.sub.2, R.sub.3 and R.sub.4 contains at least one group represented by the following formula II; PAC Formula II EQU --R.sub.5 --SO.sub.2 --R.sub.6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.