Light-sensitive silver halide color photographic material

Claim 2

A light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of said emulsion layer contains light-sensitive silver halide grains having outer surfaces principally comprised of {100} face, and a magenta dye image forming coupler represented by Formula (I) shown below: wherein Z represents a group of nonmetal atoms necessary for formation of a nitrogen-containing hetero ring; said ring formed by Z may have a substituent; X represents a hydrogen atom or a substituent eliminable through the reaction with an oxidation product of a color developing agent; and R represents a hydrogen atom or a substituent.

Claim 3

The light-sensitive silver halide color photographic material according to Claim 1, wherein the coupler represented by Formula (I) is a coupler selected from the couplers represented by Formulas (II) to (VII) shown below: wherein R' to R 8 and X each have the same meaning as R and X in Formula (I).

Claim 4

The light-sensitive silver halide color photographic material according to Claim 1, wherein the coupler represented by Formula (I) is a coupler represented by Formula (VIII) shown below: wherein R', X and Z' each have the same meaning as R, X and Z in Formula (1).

Claim 5

The light-sensitive silver halide color photographic material according to Claim 1, wherein the substituent represented by R in Formula (I) is a substituent represented by Formula (IX) shown below: wherein R 9 , R'° and R" each represent a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an acyl group, a sulfonyl group, a sulfinyl group, a phosphonyl group, a carbamoyl group, a sulfamoyl group, a cyano group, a spiro compound residual group, a bridged hydrocarbon compound residual group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, a siloxy group, an acyloxy group, a carbamoyloxy group, an amino group, an acylamino group, a sulfonamide group, an imide group, a ureido group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkythio group, an arylthio group, an heterocyclic thio group; and at least two of R 9 , R 10 and R" are not hydrogen atoms.

Claim 6

The light-sensitive silver halide color photographic material according to Claim 4, wherein two of R 3 to R" are each an alkyl group.

Claim 7

The light-sensitive silver halide color photographic material according to Claim 4, wherein one of R g to R" is a hydrogen atom, and the other two are bonded to form a cycloalkyl together with the root carbon atom.

Claim 8

The light-sensitive silver halide color photographic material according to Claim 2, wherein the coupler represented by Formula (I) is the coupler represented by Formula (II).

Claim 9

The light-sensitive silver halide color photographic material according to Claim 1, wherein the substituent possessed by the ring to be formed by Z in Formula (I) is a substituent represented by Formula (X) shown below: wherein R' represents an alkylene group, R 2 represents an alkyl group, a cycloalkyl group or an aryl group.

Claim 10

The light-sensitive silver halide color photographic material according to Claim 1, wherein the coupler represented by Formula (I) is a coupler represented by Formula (XI) shown below: wherein R and X each have the same meaning as R and X in Formula (I), R' represents an alkylene group, and R 2 represents an alkyl group, a cycloalkyl group or an aryl group.

Claim 11

The light-sensitive silver halide color photographic material according to Claim 1, wherein the coupler of Formula (I) is used in an amount ranging between 1 x 10- 3 mole and 1 mole per mole of silver halide.

Claim 12

The light-sensitive silver halide color photographic material according to Claim 1, wherein said light-sensitive silver halide grains are tetradecahedral silver halide grains satisfying the relationship of 0.5 ≦ K 5 50,000 when represented by K = (Intensity of diffraction rays assigned to {200} face/(Intensity of diffraction rays assigned to {222} face).

Claim 13

The light-sensitive silver halide color photographic material according to Claim 1, wherein said light-sensitive silver halide grains are monodispersed silver halide grains having the grain size distribution such that the variation coefficient of 0.22 or less, which is defined by the following equation:

Claim 14

The light-sensitive silver halide color photographic material according to Claim 1, wherein said light-sensitive silver halide grains have an average grain size ranging between 0.2 and 0.8u.m.

Claim 15

The light-sensitive silver halide color photographic material according to Claim 1, wherein said light-sensitive silver halide emulsion layer further contains an image stabilizing agent selected from the compounds represented by Formulas (A) to - (H), (J) and (K) shown below: wherein R' represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group or a heterocyclic group; R 2 , R 3 , R 5 and R 6 each represent a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group, an alkenyl group, an ary group, an alkoxy group or an acylamino group; R 4 represents an alkyl group, a hydroxyl group, an aryl group or an alkoxy group; wherein, R' and R 4 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group, an alkenyloxy group, a hydroxy group, an aryl group, an aryloxy group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group, a cycloalkyl group, or an alkoxycarbonyl group; R 2 represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group an acyl group, a cycloalkyl group or a heterocyclic group; R 3 represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, an aryloxy group, an acyl group, an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; and Y represents a group of atoms necessary for formation of a chroman or coumaran ring. wherein R' and R 2 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group, an alkenyloxy group, a hydroxyl group, an aryl group, an aryloxy group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group or an alkoxycarbonyl group; and Y represents a group of atoms necessary for forming a dichroman or dicoumaran ring together with a benzene ring; wherein, R' represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, a cycloalkyl group or a heterocyclic group; R 3 represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, an aryloxy group, an acyl group, an acylamino an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; R2 and R4 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an acylamino group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; and Y represents a group of atoms necessary for formation of a chroman or coumaran ring; wherein R' represents a hydrogen atom, an alkyl group, an alkenyl group, an acyl group, a cycloalkyl group or a heterocyclic group; R 2 represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, aryloxy group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; R 3 represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an acylamino group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; R * represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group, an alkenyloxy group, a hydroxyl group, an aryl group, an aryloxy group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group or an alkoxycarbonyl group; and Y represents a group of atoms necessary for formation of a chroman or coumaran ring. wherein R' and R 3 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group, a hydroxyl group, an aryl group, an aryloxy group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; R2 represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, a hydroxyl group, an aryl group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; and Y represents a group of atoms necessary for formation of an indane ring; wherein, R' and R 2 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; R 3 represents a hydrogen atom, a halogen atom, an alkyl group; an alkenyl group, an alkoxy group, a hydroxyl group, an aryl group, an aryloxy group, an acyl group, an acylamino group, an acyloxy group, a sulfonamide group, a cycloalkyl group or an alkoxycarbonyl group; and Y represents a group of atoms necessary for formation of an indane ring; wherein R 1 represents an aliphatic group, a cycloalkyl group or an aryl group; and Y represents a group of nonmetal atoms necessary for forming a heterocyclic ring of 5 to 7 members together with a nitrogen atom; provided that, when two or more hetero atoms are present in the nonmetal atom containing a nitrogen atom for forming the heterocyclic ring, at least two hetero atoms are hetero atoms which are not contiguous to each other; and wherein R' represents an aliphatic group; Y represents a simple bond arm or a divalent hydrocarbon group necessary for forming a heterocyclic ring of 5 to 7 members together with a nitrogen atom; and R 2 , R 3 , R 4 , R 5 , R 6 and R' each represent a hydrogen atom, an aliphatic group, a cycloalkyl group or an aryl group.

Claim 16

The light-sensitive silver halide color photographic material according to Claim 14, wherein said image stabilizing agent is contained in an amount ranging between 5 and 300 mole % based on the magenta coupler represented by Formula - (I).