Claims
- 1. A silver halide color photographic photosensitive material comprising a support having thereon (1) at least one photosensitive silver halide emulsion layer comprising silver halide mono-disperse tabular grains in which silver halide grains of an aspect ratio of at least 2 account for at least 50% of the total number of silver halide grains in the layer, in which the variation coefficient of the grain diameters of the silver halide grains in the emulsion layer is not more than 0.25, in which at least 50% of the total number of the silver halide grains in the emulsion layer is comprised of hexagonal tabular grains which have two parallel planes as external surfaces and of which the ratio of the length of the longest side to the length of the shortest side is not more than 2, in which at least 50% of the total number of silver halide grains in the silver halide emulsion contain ten or more dislocation lines per grain, and in which the silver halide emulsion is comprised of silver halide grains for which the relative standard deviation of the silver iodide content between individual silver halide grains is not more than 30%, and (2) a cyan coupler represented by formula (Va), (VIa) or (IXa) incorporated into at least one of said silver halide emulsion layer and a hydrophilic colloidal non-photosensitive layer adjacent thereto: ##STR115## wherein R.sub.1, R.sub.2 and R.sub.3 each represents an electron withdrawing group of which the Hammett substituent group constant .sigma..sub.p value is 0.20 or above; the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or above; R.sub.4 represents a hydrogen atom or a substituent group selected from the group consisting of a halogen atom, an aliphatic hydrocarbon group, an alicyclic hydrocarbon group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, a heterocyclic oxy group, an alkylthio group, an arylthio group, a heterocyclic thio group, an acyloxy group, a carbamoyloxy group, a silyloxy group, an alkyl sulfonyloxy group, an aryl sulfonyloxy group, a heterocyclic sulfonyloxy group, an acylamino group, an alkylamino group, an arylamino group, a ureido group, a sulfamoylamino group, an alkenyloxy group, a formyl group, an aliphatic acyl group, an aromatic acyl group, a heterocyclic acyl group, an alkylsulfonyl group, an arylsulfonyl group, a heterocyclic sulfonyl group, an alkylsulfinyl group, an arylsulfinyl group, a heterocyclic sulfinyl group, an alkyloxycarbonyl group, an aryloxycarbonyl group, a heterocyclic oxycarbonyl group, an alkyloxycarbonylamino group, an aryloxycarbonylamino group, a heterocyclic oxycarbonylamino group, an alkyl sulfonamido group, an aryl sulfonamido group, a heterocyclic sulfonamido group, a carbamoyl group, a sulfamoyl group, a phosphonyl group, a sulfamoylamino group, an imido group a hydroxy group, a cyano group, a --COOM group, an --SO.sub.3 M group; a nitro group, and an unsubstituted amino group; where M represents a hydrogen atom, an alkali metal atom or NH.sub.4 ; and where the alkyl moieties, the aryl moieties, and the heterocyclic moieties present in the above groups may be further substituted with a substituent group as indicated herein for R.sub.4 ; when there are two R.sub.4 groups, they may be the same or different; X represents a hydrogen atom or a group which can be eliminated by a coupling reaction with the oxidized form of a primary aromatic amine color developing agent; R.sub.1, R.sub.2, R.sub.3, R.sub.4 or X may be a divalent group and may form a bis compound or may be joined to oligomer or polymer chains to form oligomers, homopolymers or copolymers.
- 2. The silver halide color photographic photosensitive material as in claim 1, which contains a compound represented by formula (A) in at least one of said silver halide emulsion layer and a hydrophilic colloidal non-photosensitive layer:
- Q--SM.sup.1 (A)
- wherein Q represents a heterocyclic moiety which has at least one group selected from the group consisting of --SO.sub.3 M.sup.2, --COOM.sup.2, --OH and --NR.sup.1 R.sup.2 bonded directly or indirectly to the heterocyclic group, M.sup.1 and M.sup.2 represent independently a hydrogen atom, an alkali metal atom, a quaternary ammonium group or a quaternary phosphonium group, and R.sup.1 and R.sup.2 represent independently a hydrogen atom or an alkyl group.
- 3. The silver halide color photographic photosensitive material as in claim 2, wherein said compound is included in at least one of the same layer wherein the cyan coupler represented by formulae (Va), (VIa) or (IXa) is included and the layer adjacent thereto.
- 4. The silver halide color photographic photosensitive material as in claim 2, wherein said compound represented by formula (A) is represented by formula (B) or (C): ##STR116## wherein Y and Z each independently represents a nitrogen atom or CR.sup.4, where R.sup.4 represents a hydrogen atom, an alkyl group, or an aryl group, R.sup.3 represents an organic residual group which is substituted with at least one group selected from the group consisting of --SO.sub.3 M.sup.2, --COOM.sup.2, --OH and --NR.sup.1 R.sup.2, where M.sup.1, M.sup.2, R.sup.1 and R.sup.2 have the same meanings as those defined in formula (A), X represents a sulfur atom, an oxygen atom or --N(R.sup.5)--, where R.sup.5 represents a hydrogen atom, an alkyl group or an aryl group, L.sup.1 represents --S--, --O--, --N--, --CO--, --SO--, or --SO.sub.2 --, L.sup.2 represents --CONR.sup.6 --, --NR.sup.6 CO--, --SO.sub.2 NR.sup.6 --, --NR.sup.6 SO.sub.2 --, --OCO--, --COO--, --S--, --NR.sup.6 --, --CO--, --SO--, --OCOO--, --NR.sup.6 CONR.sup.7 --, --NR.sup.6 COO--, --OCONR.sup.6 -- or --NR.sup.6 SO.sub.2 NR.sup.7, where R.sup.6 and R.sup.7 each represents a hydrogen atom, an alkyl group, or an aryl group, and n represents 0 or 1.
- 5. The silver halide color photographic photosensitive material as in claim 2, wherein said compound is incorporated in an amount of 1.times.10.sup.-7 to 1.times.10.sup.-3 mol per m.sup.2 of the photosensitive material.
- 6. The silver halide color photographic photosensitive material as in claim 1, wherein said cyan coupler is incorporated in an amount of 2.0 to 1.0.times.10.sup.-3 mol per mol of silver halide.
- 7. The silver halide color photographic photosensitive material as in claim 1, wherein said silver halide emulsion layer is a red sensitive silver halide emulsion layer.
- 8. The silver halide color photographic photosensitive material as in claim 1, wherein the grain diameter of each of the silver halide grains in said silver halide emulsion layer is from 0.1 to 20 .mu.m.
- 9. The silver halide color photographic photosensitive material as in claim 1, wherein said cyan coupler is represented by formula (Va).
- 10. The silver halide color photographic photosensitive material as in claim 1, wherein said cyan coupler is represented by formula (VIa).
- 11. The silver halide color photographic photosensitive material as in claim 1, wherein said cyan coupler is represented by formula (IXa).
Priority Claims (1)
Number |
Date |
Country |
Kind |
4-184717 |
Jun 1992 |
JPX |
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Parent Case Info
This is a Continuation of application Ser. No. 08/077,768 filed Jun. 18, 1993, now abandoned.
US Referenced Citations (17)
Foreign Referenced Citations (4)
Number |
Date |
Country |
0282896 |
Sep 1988 |
EPX |
0337370 |
Oct 1989 |
EPX |
0342637 |
Nov 1989 |
EPX |
0456226 |
Nov 1991 |
EPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
77768 |
Jun 1993 |
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