Silver halide color photographic light-sensitive material
AssigneeFuji Photo Film Co., Ltd.
InventorsKei Sakanoue, Shigeo Hirano, Takehiko Ueda, Keiichi Adachi
Life of this patent
Estimating the term…
Abstract
A silver halide color photographic light-sensitive material which contains a high speed reactive type coupler having a relative coupling speed of 0.35 to 1.0 and a compound represented by the following general formula (I): ##STR1## wherein R represents a hydrogen atom, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic group. The silver halide color photographic light-sensitive material provides color images having greatly improved graininess in both high density areas and low density areas, without adversely affecting sensitivity.
Claims32
A silver halide color photographic light-sensitive material comprising a support having thereon a red-sensitive silver halide emulsion layer containing a cyan color forming coupler, a green-sensitive silver halide emulsion layer containing a magenta color forming coupler and a blue-sensitive silver halide emulsion layer containing a yellow color forming coupler, at least one of the red-sensitive silver halide emulsion layer or blue-sensitive silver halide containing a high speed reactive type coupler possessing a relative coupling speed of 0.6 to 1.0 represented by the following formulae (II), (III) or (IV), as the yellow color forming coupler for the blue sensitive layer or represented by the formula (VI) as the cyan color forming coupler for the red sensitive layer:
- ##STR17## wherein R.sub.11 represents an alkyl group or an aryl group, each of which may be substituted;
- R.sub.12 represents a substituent which can be substituted for a hydrogen atom attached to the benzene ring;
- n represents an integer of 1 or 2, and when n is 2, two substituents represented by R.sub.12 may be the same or different;
- M represents a halogen atom, an alkoxy group or an aryloxy group;
- L represents a group capable of being released from the coupler upon the formation of a dye through oxidative coupling with an aromatic primary amine developing agent;
- A represents an image forming coupler residue which has a naphthol nucleus or a phenol nucleus;
- m represents 1 or 2;
- and Z represents a group which is attached to the coupling position of the above-described coupler residue A and is capable of being released from coupler (VI) upon the formation of a dye through oxidative coupling with an aromatic primary developing agent;
- and
- a compound represented by the following general formula (I):
- ##STR18## wherein R represents a hydrogen atom, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic group.
A method of producing an image in a silver halide color photographic light-sensitive material, comprising imagewise exposing and developing a silver halide color photographic light-sensitive material comprising a support having thereon a red-sensitive silver halide emulsion layer containing a cyan color forming coupler, a green-sensitive silver halide emulsion layer containing a magenta forming coupler and a blue-sensitive silver halide emulsion layer containing a yellow color forming coupler, at least one of the red-sensitive silver halide emulsion layer or blue-sensitive silver halide emulsion layer containing a high speed reactive coupler possessing a relative coupling speed of 0.6 to 1.0 represented by the following formulae (II), (III) or (IV) as the yellow color forming coupler for the blue sensitive layer or represented by the formula (VI) as the cyan color forming coupler for the red sensitive layer:
- ##STR27## wherein R.sub.11 represents an alkyl group or an aryl group, each of which may be substituted;
- R.sub.12 represents a substituent which can be substituted for a hydrogen atom attached to the benzene ring;
- n represents an integer of 1 or 2, and when n is 2, two substituents represented by R.sub.12 may be the same or different;
- M represents a halogen atom, an alkoxy group or an aryloxy group;
- L represents a group capable of being released from the coupler upon the formation of a dye through oxidative coupling with an aromatic primary amine developing agent;
- A represents an image forming coupler residue which has a napthol nucleus or a phenol nucleus;
- m represents 1 or 2;
- and Z represents a group which is attached to the coupling position of the above-described coupler residue A and is capable of being released from coupler (VI) upon the formation of a dye through oxidative coupling with an aromatic primary developing agent;
- and
- a compound represented by the following general formula (I):
- ##STR28## wherein R represents a hydrogen atom, a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group, or a substituted or unsubstituted heterocyclic group;
- wherein said silver halide color photographic light-sensitive material exhibits improved graininess in both high density areas and low density areas after imagewise exposure and development.
Dependencies are inferred from the claim text.