Light-sensitive silver halide color photographic material
US4684603A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 1985 |
| Grant date | Aug 4, 1987 |
| Priority date | — |
| Expiry date | Dec 4, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/301
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There is disclosed a light-sensitive silver halide photographic material which comprises containing at least one coupler represented by the formula (I) shown below and at least one of the compounds represented by the formulae (XI) and (XII) shown below: ##STR1## wherein Z represents a group of non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent eliminatable through the reaction with the oxidized product of a color developing agent; and R represents a hydrogen atom or a substituent, ##STR2## wherein X.sup.1, X.sup.2 and X.sup.4 each represents an oxygen atom, a sulfur atom or --NR.sup.10 --(R.sup.10 represents a hydrogen atom, an alkyl group, an aryl group or a hydroxyl group); X.sup.3 represents a hydroxyl group or a mercapto group; Y represents an oxygen atom or a sulfur atom; R.sup.1, R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group or an aryl group, provided that at least two of R.sup.1, R.sup.2 and R.sup.3 represent alkyl groups or aryl groups; R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 each represents an alkyl group, an aryl group, an alkoxy …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.