Claims
- 1. A silver halide color photographic material comprising a support and at least one silver halide emulsion layer on the support, wherein the emulsion layer contains a silver halide emulsion which has been spectrally sensitized by adding a spectral sensitizing dye prior to the completion of formation of silver halide particles, and at least one cyan coupler represented by formula (I) ##STR15## wherein R.sub.11 and R.sub.12 each represents an alkyl group, an aryl group, a heterocyclic group, an alkyloxy group, an aryloxy group, a heterocyclic oxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group; R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxyl group, an aryloxy group, an acyloxy group, or an acylamino group; X is a group capable of being released upon the oxidative coupling reaction with a developing agent; or R.sub.12 and R.sub.13 together form a 5- and 6-membered ring, and wherein the sensitizing dyes are dyes having the maximum value of spectral sensitivity at from 650 to 750 nm and are compounds represented by formula (III): ##STR16## wherein in formula (III) Z.sub.1 and Z.sub.2 each represents an atomic group forming a 5- or 6-membered heterocyclic ring which may be substituted;
- L.sub.1, L.sub.2 and L.sub.3 each represents a methine group, which may be substituted;
- R.sub.21 and R.sub.22 are each selected from the group consisting of an alkyl group, a carboxyalkyl group, a sulfoalkyl group, a fluorinated alkyl group, a hydroxyalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group, and an acylaminoalkyl group, each of which groups may be substituted;
- X.sub.1.sup..crclbar. represents a counter ion;
- l and n are each 0 or 1 and m is 0, 1, or 2, provided that l+m+n=2;
- p is 0 or 1; and when p=1, the compounds of formula (III) form an intramolecular salt.
- 2. A silver halide color photographic material as in claim 1, wherein R.sub.11 represents an alkyl group, an aryl group, an arylamino group, or a heterocyclic amino group; R.sub.12 represents an alkyl group, an aryl group, an alkyloxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group; R.sub.13 represents a hydrogen atom, an alkyl group, an alkoxyl group, or an acylamino group; and X represents a hydrogen atom, a halogen atom, an alkoxyl group, an aryloxy group, an acyloxy group, a sulfonyloxy group, a sulfonamido group, an alkoxycarbonyl group, or a thio group.
- 3. A silver halide color photographic material as in claim 1, wherein R.sub.11 represents a substituted or unsubstituted phenyl group, a heterocyclic amino group, or a substituted arylamino group; R.sub.12 represents a substituted alkyl group or a substituted aryl group; R.sub.13 represents a hydrogen atom or a ring resulting from the combination of R.sub.12 and R.sub.13 ; and X represents a hydrogen atom, a halogen atom, an alkoxyl group, or an aryloxy group.
- 4. A silver halide color photographic material as in claim 1, wherein the coupler represented by formula (I) contained in the emulsion is from 1.times.10.sup.-3 to 7.times.10.sup.-1 mol per mol of silver in the emulsion.
- 5. A silver halide color photographic material as in claim 1, wherein the spectrally sensitizing dye is M-band type or J-band type sensitizing dye.
- 6. A silver halide color photographic material as in claim 1, wherein a total amount of the spectrally sensitizing dye is added to a reaction solution concurrently with the start of formation of the silver halide particles or prior to the start of formation of the silver halide particles.
- 7. A silver halide color photographic material as in claim 1, wherein a total amount of the spectrally sensitizing dye is added during the formation of the silver halide particles.
- 8. A silver halide color photographic material as in claim 1, wherein a total amount of the spectrally sensitizing dye is added at a point when at least 85% of the total weight of the silver halide emulsion particles is formed.
- 9. A silver halide color photographic material as in claim 1, wherein the silver halide emulsion contains the compounds represented by formula (II) in combination with the spectrally sensitizing dyes ##STR17## wherein Z represents --CH.dbd. or --N.dbd.; --D-- represents a divalent aromatic residual group; R.sub.6, R.sub.7, R.sub.8, and R.sub.9 each represents a hydrogen atom, a hydroxyl group, an alkoxyl group, an aryloxy group, a halogen atom, a heterocyclic group, a mercapto group, an alkylthio group, an arylthio group, a heterocyclylthio group, an amino group, an alkylamino group, a cyclohexylamino group, an arylamino group, a heterocyclylamino group, an aryl group, and an aralkylamino group.
- 10. A silver halide color photographic material as in claim 9, wherein the compounds represented by formula (II) are used in a concentration of from 0.01 to 5 grams per mol of silver halide in the emulsion.
- 11. A silver halide color photographic material as in claim 9, wherein a weight ratio of the sensitizing dye to the compound represented by formula (II) is from 1/2 to 1/200.
- 12. A process for preparing a silver halide color photographic material comprising coating on a support and at least one silver halide emulsion layer, wherein the emulsion layer contains a silver halide emulsion which has been spectrally sensitized by adding a spectral sensitizing dye prior to the completion of formation of silver halide particles, and at least one cyan coupler represented by formula (I) ##STR18## wherein R.sub.11 and R.sub.12 each represents an alkyl group, an aryl group, a heterocyclic group, an alkyloxy group, an aryloxy group, a heterocyclic oxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group; R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxyl group, an aryloxy group, an acyloxy group, or an acylamino group; X is a group capable of being released upon the oxidative coupling reaction with a developing agent; or R.sub.12 and R.sub.13 together form a 5- or 6-membered ring, and wherein the sensitizing dyes are dyes having the maximum value of spectral sensitivity at from 650 to 750 nm and are compounds represented by formula (III): ##STR19## wherein in formula (III) Z.sub.1 and Z.sub.2 each represents an atomic group forming a 5- or 6-membered heterocyclic ring which may be substituted;
- L.sub.1, L.sub.2 and L.sub.3 each represents a methine group, which may be substituted;
- R.sub.21 and R.sub.22 are each selected from the group consisting of an alkyl group, a carboxyalkyl group, a sulfoalkyl group, a fluorinated alkyl group, a hydroxyalkyl group, an alkoxyalkyl group, an aralkyl group, an aryloxyalkyl group, and an acylaminoalkyl group, each of which groups may be substituted;
- X.sub.1.sup..crclbar. represents a counter ion;
- l and n are each 0 or 1 and m is 0, 1, or 2, provided that l+m+n=2;
- p is 0 or 1; and when p=1, the compounds of formula (III) form an intramolecular salt.
- 13. A process for preparing a silver halide color photographic material as in claim 12, wherein R.sub.11 represents an alkyl group, an aryl group, an arylamino group, or a heterocyclic amino group; R.sub.12 represents an alkyl group, an aryl group, an alkyloxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group; R.sub.13 represents a hydrogen atom, an alkyl group, an alkoxyl group, or an acylamino group; and X represents a hydrogen atom, a halogen atom, an alkoxyl group, an aryloxy group, an acyloxy group, a sulfonyloxy group, a sulfonamido group, an alkoxycarbonyl group, or a thio group.
- 14. A process for preparing a silver halide color photographic material as in claim 12, wherein R.sub.11 represents a substituted or unsubstituted phenyl group, a heterocyclic amino group, or a substituted arylamino group; R.sub.12 represents a substituted alkyl group or a substituted aryl group; R.sub.13 represents a hydrogen atom or a ring resulting from the combination of R.sub.12 and R.sub.13 ; and X represents a hydrogen atom, a halogen atom, an alkoxyl group, or an aryloxy group.
- 15. A process for preparing a silver halide color photographic material as in claim 12, wherein the coupler represented by formula (I) contained in the emulsion is from 1.times.10.sup.-3 to 7.times.10.sup.-1 mol per mol of silver in the emulsion.
- 16. A process for preparing a silver halide color photographic material as in claim 12, wherein the spectrally sensitizing dye is M-band type or J-band type sensitizing dye.
- 17. A process for preparing a silver halide color photographic material as in claim 12, wherein a total amount of the spectrally sensitizing dye is added to a reaction solution concurrently with the start of formation of the silver halide particles or prior to the start of formation of the silver halide particles.
- 18. A process for preparing a silver halide color photographic material as in claim 12, wherein a total amount of the spectrally sensitizing dye is added during the formation of the silver halide particles.
- 19. A silver halide color photographic material comprising a support and at least one silver halide emulsion layer on the support, wherein the emulsion layer contains a silver halide emulsion which has been spectrally sensitized by adding a spectral sensitizing dye prior to the completion of formation of silver halide particles, and at least one cyan coupler represented by formula (I): ##STR20## wherein R.sub.11 and R.sub.12 each represents an alkyl group, an aryl group, a heterocyclic group, an alkyloxy group, an aryloxy group, a heterocyclic oxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group; R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxyl group, an aryloxy group, an acyloxy group, or an acylamino group; X is a group capable of being released upon the oxidative coupling reaction with a developing agent; or R.sub.12 and R.sub.13 together form a 5- or 6-membered ring, and wherein the sensitizing dyes are dyes having the maximum value of spectral sensitivity at from 650 to 750 nm and are compounds represented by formula (III): ##STR21## wherein in formula (III) Z.sub.1 and Z.sub.2 each represents an atomic group forming a 5- or 6-membered heterocyclic ring which may be substituted;
- L.sub.1, L.sub.2 and L.sub.3 each represents a methine group, which may be substituted;
- R.sub.21 and R.sub.22 each represents a substituent selected from the group consisting of a methyl group, an ethyl group, a butyl group, a hexyl group, a carboxymethyl group, a 2-carboxyethyl group, and a 3-carboxypropyl group, a 2-sulfoethyl group, a 3-sulfopropyl group, a 3-sulfobutyl group, a 4-sulfobutyl group, a 2,2,2-trifluoroethyl group, a 2,2,3,3,-tetrafluoropropyl group, a 2-hydroxyethyl group, a 3-hydroxyethyl group, a 2-methoxyethyl group, a 2-ethoxyethyl group, a 3-methoxypropyl group, a benzyl group, a 2-phenylethyl group, a 2-(4-sulfophenyl)ethyl group, a 2-phenoxyethyl group, a methanesulfonylaminoethyl group and an acetylaminoethyl group X.sub.1.sup..crclbar. represents a counter ion; l and n are each 0 or 1 and m is 0, 1, or 2, provided that l+m+n=2;
- p is 0 or 1; and when p=1, the compounds of formula (III) form an intramolecular salt.
Priority Claims (1)
Number |
Date |
Country |
Kind |
60-184485 |
Aug 1985 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 06/899,140 filed Aug. 22, 1986 now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
4225666 |
Locker et al. |
Sep 1980 |
|
4513081 |
Okazaki et al. |
Apr 1985 |
|
4683193 |
Ihama et al. |
Jul 1987 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
899140 |
Aug 1986 |
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