EP0087930A1 — Light-sensitive silver halide color photographic …

Claim 1

Independent Claim 327 words

A light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, characterized in that said light-senstive silver halide emulsion layer contains a cyan coupler represented by the formula [I] shown below, and said light-sensitive silver halide emulsion layer and/or a layer contiguous to said light-sensitive silver halide emulsion layer contains a colored cyan coupler represented by the formula [II]: wherein X represents a hydrogen atom or an eliminable group through coupling with an oxidized product of an aromatic primary amine color developing agent; R 1 represents a naphthyl group or a heterocyclic group (provided that a carbon atom of a heterocyclic group is bonded to the nitrogen atoms of the ureido group), or a phenyl group having at least one substituent (with proviso that, when having a cyano at the p-position relative to the ureido group, the four positions of o-position and m-position relative to the ureido group cannot have hydrogen atoms at the same time) selected from the group consisting of a trifluoromethyl, a nitro, a cyano, -COR, -COOR, -S0 2 R, -S0 2 0R, (where R represents an aliphatic group or an aromatic group, and R' represents a hydrogen atom, an aliphatic group or an aromatic group); and R 2 represents an aliphatic group or an aromatic group necessary to impart diffusion resistance to the cyan dyes formed from the cyan couplers represented by the formula [I] and the cyan dyes to be formed from said cyan coupler. wherein (Coup-) c represents a cyan coupler residue; L represents a divalent linking group connecting the coupler structure moiety to the dye structure moiety ; Q 1 and Q 2 each represent photographically inactive mono-valent groups; M represents a cation or a hydrogen atom; i is an integer of 0 or 1; and G represents an acyl group or an alkyl sulfonyl group having 1 to 8 carbon atoms or an arylsulfonyl group having 6 to 8 carbon atoms.

Claim 2

Dependent Claim 327 words

A light-sensitive silver halide color photographic material having at least one light-sensitive silver halide emulsion layer on a support, characterized in that said light-senstive silver halide emulsion layer contains a cyan coupler represented by the formula [I] shown below, and said light-sensitive silver halide emulsion layer and/or a layer contiguous to said light-sensitive silver halide emulsion layer contains a colored cyan coupler represented by the formula [II]: wherein X represents a hydrogen atom or an eliminable group through coupling with an oxidized product of an aromatic primary amine color developing agent; R 1 represents a naphthyl group or a heterocyclic group (provided that a carbon atom of a heterocyclic group is bonded to the nitrogen atoms of the ureido group), or a phenyl group having at least one substituent (with proviso that, when having a cyano at the p-position relative to the ureido group, the four positions of o-position and m-position relative to the ureido group cannot have hydrogen atoms at the same time) selected from the group consisting of a trifluoromethyl, a nitro, a cyano, -COR, -COOR, -S0 2 R, -S0 2 0R, (where R represents an aliphatic group or an aromatic group, and R' represents a hydrogen atom, an aliphatic group or an aromatic group); and R 2 represents an aliphatic group or an aromatic group necessary to impart diffusion resistance to the cyan dyes formed from the cyan couplers represented by the formula [I] and the cyan dyes to be formed from said cyan coupler. wherein (Coup-) c represents a cyan coupler residue; L represents a divalent linking group connecting the coupler structure moiety to the dye structure moiety ; Q 1 and Q 2 each represent photographically inactive mono-valent groups; M represents a cation or a hydrogen atom; i is an integer of 0 or 1; and G represents an acyl group or an alkyl sulfonyl group having 1 to 8 carbon atoms or an arylsulfonyl group having 6 to 8 carbon atoms.

Claim 3

Dependent Claim 77 words

The light-sensitive silver halide color photographic material according to Claim 1, wherein the light-sensitive silver halide emulsion layer and/or a layr contiguous to said light-sensitive silver halide emulsion layer contains further at least one of colored magenta couplers represented by the formula [III]: wherein (Coup-) M represents a magenta coupler residue (with proviso that the azo group is bonded to the active site of the magenta coupler); and W represents a residue of an unsaturated cyclic compound.

Claim 4

Dependent Claim 156 words

The light-sensitive silver halide color photographic material according to Claim 1, wherein said cyan coupler represented by the formula [I] is a compound of the following formula [Ia] or [Ib]: wherein, Y 1 represents a trifluoromethyl, a nitro, a cyano or a group represented by -COR, -COOR, (wherein R represents an aliphatic group or an aromatic group, and R' represents a hydrogen atom or a group represented by R); Y 2 represents a monovalent group, an aromatic group, a halogen atom, an amino group , a hydroxy group or a substituent represented by Y 1 ; m is an integer of 1 to 3, and n is an integer of 0 to 3; and Z represents a group of non-metallic atoms necessary for forming a heterocyclic group or a naphthyl group, said heterocyclic group being a five-membered or six-membered heterocyclic group containing 1 to 4 hetero atoms selected from nitrogen atoms, oxygen atoms or sulfur atoms.

Claim 5

Dependent Claim 62 words

The light-sensitive silver halide color photographic material according to Claim 3, wherein the aliphatic group and the aromatic group represented by R are an alkyl group having 1 to 10 carbon atoms and a phenyl group, respectively; and the monovalent group and the aromatic group represented by Y 2 are an aliphatic group ,and a phenyl group or a naphthyl group, respectively.

Claim 6

Dependent Claim 29 words

The light-sensitive silver halide color photogrtaphic material according to Claim 4, wherein the aliphatic group represented by Y 2 is an alkyl group having 1 to 10 carbon atoms.

Claim 7

Dependent Claim 50 words

The light-sensitive silver halide color photographic material according to Claim 3, wherein said heterocyclic group represented by Z is selected from the group consisting of a furyl group, a thienyl group, a pyridyl group, a quinonyl group, an oxazolyl group, a tetrazolyl group, a benzothiazolyl group and a tetrahydrofuranyl group.

Claim 8

Dependent Claim 66 words

The light-sensitive silver halide color photographic material according to Claim 6, wherein said heterocyclic group represented by Z has substituent(s) incorporated therein and selected from the group consisting of alkyl groups having 1 to 10 carbon atoms, aryl groups, halogen atoms, cyano, nitro, sulfonamide groups, sulfamoyl groups, sulfonyl groups, fluorosulfonyl groups, carbamoyl groups, oxycarbonyl groups, acyl groups, heterocyclic groups, alkoxy groups, aryloxy groups and acyloxy groups.

Claim 9

Dependent Claim 120 words

The light-sensitive silver halide color photographic material according to Claim 1, wherein said aliphatic group or aromatic group represented by R 2 is an alkyl group having 4 to 30 carbon atoms, an alkenyl group, a cycloalkyl group, a five-membered or six-membered heterocyclic group or a group represented by the formula [Ic]: wherein J represents an oxygen atom or a sulfur atom, K represents an integer of 0 to 4; ℓ represents an integer of 0 or 1; when K is 2 or more, two or more existing R 4 's may be the same or different; R 3 represents a straight or branched alkyl having 1 to 20 carbon atoms; and R 4 represents a monovalent atom or group,

Claim 10

Dependent Claim 32 words

The light-sensitive silver halide color photographic material according to Claim 1, wherein said cyan coupler residue represented by (Coup-) in the formula [II] is a phenol or naphthol type cyan coupler residue.

Claim 11

Dependent Claim 45 words

The light-sensitive silver halide color photographic material according to Claim 1, wherein said photographically inactive monovalent groups represented by Q 1 and Q 2 are each hydrogen atoms, halogen atoms, hydroxy, cyanol, alkyl groups, alkoxy groups, alkylthio groups, amide groups, alkoxycarbonyl groups or alkylcarbamoyl groups.

Claim 12

Dependent Claim 80 words

The light-sensitive silver halide color photographic material according to Claim 2, wherein said colored magenta coupler represented by the formula (III) is a compound represented by the following formula (IV): wherein Ac represents a phenyl group, a naphthyl group or an acyl group which further may have substituents incorporated therein; R 5 to R 7 each represent the same group as Q 1 in the formula (II); and Ar reresents a phenyl group, a naphthyl group or a heterocyclic group.

Claim 13

Dependent Claim 43 words

The light-sensitive silver halide color photographic material according to Claim 1, wherein said cyan coupler represented by the formula [I] is incorporated in a silver halide emulsion layer in an amount of from 0.07 to 0.7 mole per mole of a silver halide.

Light-sensitive silver halide color photographic material

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