Color photographs, a process for preparing them and color photographic materials employed therefor

Claim 2

A silver halide color photographic material containing both a compound (A), that combines chemically with the aromatic amine developing agent remaining after a color development processing to produce a chemically inactive and substantially colorless compound, and a compound (B), that combines chemically with the oxidized product of the aromatic amine developing agent remaining after the color development processing to produce a chemically inactive and substantially colorless compound.

Claim 3

The color photographic material as claimed in claim 1, wherein compound (A) is selected from compounds that can react with a rate constant k 2 (at 80°C) of the secondary reaction with p-anisidine within the range of 1.0 t/mol.sec to 1 x 10 5 1 /mol.sec.

Claim 4

The silver halide color photographic material as claimed in claim 1, wherein compound (B) is selected from compounds having a nucleophilic group derived from a nucleophilic functional group that has a Pearson's nucleophilic n CH 3 1 value of 5 or greater.

Claim 5

The silver halide color photographic material as claimed in claim 1, wherein the amount of compound (A) or (B) is 1 x 10 2 to 10 mol per mol of a coupler employed.

Claim 6

The silver halide color photographic material as claimed in claim 1, wherein the amount of compound (B) contained is in the range of 2 x 10 2 to 2 x 10 per mol of a coupler employed.

Claim 7

The silver halide color photographic material as claimed in claim 1, wherein compound (A) or (B) is co-emulsified with a coupler, the oil/coupler weight ratio being from 0.01 to 2.0.

Claim 8

The silver halide color photographic material as claimed in claim 1, wherein at least one of the couplers represented by the following formulae is employed: General formula (Y-I) wherein R 11 represents a substituted or unsubstituted N-phenylcarbamoyl group, and Z 11 represents a group that can split off in the reaction with the oxidized product of the aromatic primary amine color developing agent; General formula (Y-II) wherein R 11 represents a substituted or unsubstituted N-phenylcarbamoyl group, Z 11 represents a group that can split off in the reaction with the oxidized product of the aromatic primary amine color developing agent, R 12 represents a hydrogen atom or a substituent group, and s is an integer of 1 to 5; General formula (M-I) wherein R 2 , represents an alkyl group, an aryl group, an acyl group, or a carbamoyl group; Ar represents a phenyl group or a phenyl group substituted by one or more halogen atoms, alkyl groups, cyano groups, alkoxy groups, alkoxycarbonyl groups, or acylamino groups; and Z 2 i represents a hydrogen atom or a group that can split off in the reaction with the oxidized product of the aromatic primary amine color developing agent; General formula (M-II) wherein R 22 represents a hydrogen atom or a substituent group; Z 21 represents a hydrogen atom or a group that can split off in the reaction with the oxidized product of the aromatic primary amine color developing agent; Z 22 , -N = or -NH-; between the bonds of Z 24 -Z 23 and Z 23 -Z 22 , one is a double bond and the other is a single bond; and when the Z 23 -Z 22 is a carbon-carbon double bond, the double bond may be part of an aromatic ring; General formula (C-I) wherein R 31 represents an alkyl group, a cycloalkyl group, an aryl group, an amino group, or a heterocyclic group; R 32 represents an acylamino group or an alkyl group; R 33 represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; R 33 and R 32 may bond together to form a ring; and Z 31 represents a hydrogen atom, a halogen atom, or a group that can split off in the reaction with the oxidized product of the aromatic primary amine color developing agent; and the above couplers may form a dimer or even higher polymer.

Claim 9

The silver halide color photographic material as claimed in claim 1, wherein the silver halide comprises silver chloride, silver bromide, or a mixed silver halide.

Claim 10

The silver halide color photographic material as claimed in claim 1, wherein compound (A) is represented by the following general formula (I) or (II): General formula (I) General formula (II) wherein R 1 and R 2 each represent an aliphatic group, an aromatic group, or a heterocyclic group; X represents a group that can react with the aromatic amine developing agent to cause splitting-off; A represents a group that can react with the aromatic amine developing agent to form a chemical bond; n is 1 or 0; B represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, or a sulfonyl group; Y represents a group that can facilitate the addition of the aromatic amine developing agent to a compound having general formula (II), and R 1 and X together or Y and R 2 or B together may combine to form a ring structure.

Claim 11

The silver halide color photographic material as claimed in claim 9, wherein the aliphatic group of Ri, R 2 and B represents a straight chain, branched chain or cyclic alkyl groups, alkenyl group or alkynyl group; the aromatic group of Ri, R 2 and B represents a carbocyclic aromatic and the heterocyclic aromatic group; and the heterocyclic group Ri, R 2 and B represents a 3 to 10-membered heterocyclic group comprising carbon atoms, oxygen atoms, nitrogen atoms, sulfur atoms, or hydrogen atoms; X represents a group that attaches to A via an oxygen atom, a sulfur atom, a nitrogen atom, or a halogen atom, wherein when X is a halogen atom, n is 0; A represents a group containing a low electron density atom; and Y is an oxygen atom, a sulfur atom, =N-R 4 or wherein R 4 , R 5 and R 6 each represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, or a sulfonyl group, and R 5 and R 6 may bond together to form a ring structure.

Claim 12

The silver halide color photographic material as claimed in claim 1, wherein compound (B) is represented by the following general formula (III): General formula (III) wherein R 7 represents an aliphatic group, an aromatic group, or a heterocyclic group, Z represents a nucleophilic group, and M represents a hydrogen atom, a metal cation, an ammonium cation, or a protective group.

Claim 13

The silver halide color photographic material as claimed in claim 11, wherein the aliphatic group represented by R 7 is a straight chain, branched chain, or cyclic alkyl, alkenyl or alkynyl group; the aromatic group represented by R 7 may be any of a carbocyclic aromatic group and a heterocyclic aromatic group; the heterocyclic group represented by R 7 has a a3 to 10-membered ring structure comprising carbon atoms, oxygen atom, nitrogen atoms, sulfur atoms, or hydrogen atoms; Z represents a nucleophilic group having an oxygen atom, a sulfur atom, or a nitrogen atom to chemically combine with the oxidized product of the aromatic amine developing agent; and M represents a hydrogen atom, a metal cation, an ammonium cation, or a protective group.

Claim 14

The silver halide color photographic material as claimed in claim 11, wherein compound (B) is repesented by the following general formula (IV): General formula (IV) wherein M' represents an atom or an atomic group forming an inorganic or organic salt, in which R, 5 and R 16 , which may be the same or different, each represent a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group, or R, 5 and R 16 may bond together to form a 5 to 7- membered ring; R 17 , R 18 , R 20 and R 21 , which may be the same or different, each represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, an alkoxycarbonyl group, a sulfonyl group, a ureido group, or a urethane group, provided that at least one of R 17 and R 18 and at least one of R 2 o and R 21 are hydrogen atoms; Rig and R 22 represent a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R 22 further represents an alkylamino group, an arylamino group, an alkoxy group, an aryloxy group, an acyl group, and alkoxycarbonyl group, or an aryloxycarbonyl group; at least two of R 17 , R, 8 and R 19 may bond together to form a 5 to 7-membered ring; Rio, R 11 , R 12 , R 13 and R 14 , which may be the same or different, each represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, a halogen atom, -SR 8 , -OR 8 , group, an alkoxycarbonyl R 8 , an acyl group, an aryloxycarbonyl group, a sulfonyl group, a sulfonamido group, a sulfamoyl group, a ureido group, a urethane group, a carbamoyl group, a sulfo group, a carboxyl group, a nitro group, a cyano group, an alkoxalyl, an aryloxalyl group, a sulfonyloxy group, (R 8 ) 2 , -P(OR 8 ) 3 or a formyl group, wherein R 8 and R 9 each represent a hydrogen atom, an aliphatic group, an alkoxy group, or an aromatic group.

Claim 15

The silver halide color photographic material as claimed in claim 13, wherein the total of the Hammett's sigma values of R 10 , R 11 , R 12 , R 13 and R 14 with respect to -S0 2 M' is 0.5 or greater.

Claim 16

The silver halide color photographic material as claimed in claim 1, wherein compound (A) and compound (B) are contained in a layer of the hydrophilic colloid layers on the base.

Claim 17

A process for preparing a color photograph which comprises processing a silver halide color photographic material in the presence of a compound (A), that combines chemically with the aromatic amine developing agent remaining after a color development processing to produce a chemically inactive and substantially colorless compound, and a compound (B), that combines chemically with the oxidized product of the aromatic amine developing agent remaining after the color development processing to produce a chemically inactive and substantially colorless compound.

Claim 18

A process for preparing a color photograph which comprises processing a silver halide color photographic material in the presence of a compound (A), that combines chemically with the aromatic amine developing agent remaining after a color development processing to produce a chemically inactive and substantially colorless compound, and a compound (B), that combines chemically with the oxidized product of the aromatic amine developing agent remaining after the color development processing to produce a chemically inactive and substantially colorless compound.

Claim 19

The process for preparing a color photograph as claimed in claim 16, wherein compound (A) and/or compound (B) are contained in one or more layers of the hydrophilic colloid layers on the base of the silver halide color photographic material.

Claim 20

The process for preparing a color photograph as claimed in claim 16, wherein before, during, or after the color development processing the photographic material is processed with a processing solution to which compound (A) and/or compound (B) has been added, thus allowing them to be contained in the color photograph.

Claim 21

The process for preparing a color photograph as claimed in claim 16, wherein compound (A) is selected from compounds that can react with a rate constant k 2 (at 80°C) of the secondary reaction with p-anisidine within the range of 1.0 t/mol.sec to 1 x 10 5 /mol.sec.

Claim 22

The process for preparing a color photograph as claimed in claim 16, wherein compound (B) is selected from compounds having a nucleophilic group derived from a nucleophilic functional group that have a Pearson's nucleophilic n CH 3 1 value of 5 or greater.

Claim 23

The process for preparing a color photograph as claimed in claim 16, wherein the amount of compound (A) or (B) is 1 x 10 2 to 10 mol per mol of a coupler employed.

Claim 24

The process for preparing a color photograph as claimed in claim 16, wherein the aromatic amine developing agent is selected from a group consisting of aromatic primary, secondary, and tertiary amine compounds.

Claim 25

The process for preparing a color photograph as claimed in claim 16, wherein compound (A) is selected from a group consisting of compounds represented by the following general formulae (I) and (II): General formula (I) General formula (II) wherein R 1 and R 2 each represent an aliphatic group, an aromatic group, or a heterocyclic group; X represents a group that can react with the aromatic amine developing agent to cause splitting-off; A represents a group that can react with the aromatic amine developing agent to form a chemical bond; n is 1 or 0; B represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group, or a sulfonyl group; Y represents a group that can facilitate the addition of the aromatic amine developing agent to a compound having general formula (II); and Ri and X together or Y and R 2 or B together may combine to form a ring structure.

Claim 26

The process for preparing a color photograph as claimed in claim 16, wherein compound (B) is represented by the following general formula (III): General formula (III) wherein R 7 represents an aliphatic group, an aromatic group, or a heterocyclic group; Z represents a nucleophilic group; and M represents a hydrogen atom, a metal cation, an ammonium cation, or a protective group.

Claim 27

The process for preparing a color photograph as claimed in claim 16, wherein compound (A) or (B) is added into a color developing solution, a bleaching solution, a fixing solution, a washing solution, or a rinsing solution, the concentration of compound (A) or (B) in the processing solution being 10 5 mol/ℓ to 10 1 mol/t.

Claim 28

The process for preparing a color photograph as claimed in claim 12, wherein the color developing solution of the color development processing is substantially free from benzyl alcohol.

Claim 29

A color photograph obtained by the processing of a silver halide color photographic material and improved in preservability which comprises both a compound (A), that combines chemically with an aromatic amine developing agent remaining after a color development processing to produce a chemically inactive and substantially colorless compound, and a compound (B), that combines chemically with the oxidized product of the aromatic amine developing agent remaining after the color development processing to produce a chemically inactive and substantially colorless compound.

Claim 30

A color photograph obtained by the processing of a silver halide color photographic material and improved in preservability which comprises both a compound (A), that combines chemically with an aromatic amine developing agent remaining after a color development processing to produce a chemically inactive and substantially colorless compound, and a compound (B), that combines chemically with the oxidized product of the aromatic amine developing agent remaining after the color development processing to produce a chemically inactive and substantially colorless compound.

Claim 31

The color photograph as claimed in claim 27, wherein compound (A) is selected from compounds that can react with a rate constant k 2 (at 80°C) of the secondary reaction with p-anisidine within the range of 1.0 t/mol.sec to 1 x 10 5 t /mol.sec.

Claim 32

The color photograph as claimed in claim 27, wherein compound (B) is selected from compounds having a nucleophilic group derived from a nucleophilic functional group that have a Pearson s nucleophilic n CH 3 I value of s5 or greater.

Claim 33

The color photograph as claimed in claim 27, wherein the amount of compound (A) or (B) is 1 x 10 2 to 10 mol per mol of a coupler employed.

Claim 34

The color photograph as claimed in claim 27, wherein compound (A) is selected from a group consisting of compounds represented by the following general formulae (I) and (II): General formula (1) General formula (II) wherein R 1 and R 2 each represent an aliphatic group, an aromatic group, or a heterocyclic group; X represents a group that can react with the aromatic amine developing agent to cause splitting-off; A represents a group that can react with the aromatic amine developing agent to form a chemical bond; n is 1 or 0; B represents a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, an acyl group or a sulfonyl group; Y represents a group that can facilitate the addition of the aromatic amine developing agent to a compound having general formula (II); and R 1 and X together or Y and R 2 or B together may combine to form a ring structure.

Claim 35

The color photograph as claimed in claim 27, wherein compound (B) is represented by the following general formula (III): General formula (III) wherein R 7 represents an aliphatic group, an aromatic group, or a heterocyclic group; Z represents a nucleophilic group; and M represents a hydrogen atom, a metal cation, an ammonium cation, or a protective group.

Claim 36

The silver halide color photographic material as claimed is claim 1, wherein compound (A) is represented by general formula (I-a), (I-b), (I-c) or (I-d) that can react with the rate constant k 2 (at 80°C) of the secondary reaction with p-anisidine within the range of 1 x 10 to 1 x 10 5 ℓ/mol.sec wherein R, represents an aliphatic group, an aromatic group, or a heterocyclic group; Link represents a single bond or -0-; Ar represents an aromatic group, provided that the group released as a result of reaction with an aromatic amine developing agent is not a group useful as a photographic reducing agent; Ra, Rb and Rc, which may be the same or different, each represent a hydrogen atom, an aliphatic, aromatic or heterocyclic group alkoxy group, aryloxy group, heterocyclooxy group, alkylthio group, arylthio group, heterocyclothio group, amino group, alkylamino group, acyl group, amido group, sulfonamide group, sulfonyl group, alkoxycarbonyl group, sulfo group, carboxyl group, hydroxyl group, acyloxy group, ureido group, urthane group, carbamoyl group or sulfamoyl group, may combine toghther to form a 5 to 7- membered heterocyclic ring which may be further substituted by a substituent, may form, a spirocyclic ring or bicyclo ring, or may be condensed by an aromatic ring; Z 1 and Z 2 each represent a non-metal atom group necessary to form a 5 to 7-membered heterocyclic ring which may be further substituted by a substituent, may form a spirocyclic ring or bicyclo ring, or may be condensed by an aromatic ring, provided that the compound released as a result of the reaction of Zi with an aromatic amine developing agent is not a coupler or 1-phenyl-3-pyrazolidones.