Abstract:
Disclosed is a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer containing a pyrrolotriazole cyan coupler and a specific lipophilic compound. The color photographic material have improved color reproducibility and preservability.
Abstract:
There is disclosed a silver halide color photographic material which comprises in a blue-sensitive silver halide emulsion layer acylacetamide yellow dye-forming couplers represented by the following formula (I) and in a red-sensitive silver halide emulsion layer cyan dye-forming couplers represented by the following formula (II) or (III): ##STR1## wherein R.sub.1 represents a monovalent group, Q represents a group of non-metallic atoms required to form together with the C a substituted or unsubstituted 3- to 5-membered cyclic hydrocarbon group or a substituted or unsubstituted 3- to 5-membered heterocyclic group having therein at least one heteroatom selected from a group consisting of N, O, S, and P, and Y.sub.R represents a residue remaining after removing the acyl group from the acylacetamide yellow dye-forming coupler, provided that R.sub.1 is not a hydrogen atom and does not bond to Q to form a ring, ##STR2## wherein R.sup.1 represents --CONR.sup.4 R.sup.5, --SO.sub.2 NR.sup.4 R.sup.5, --NHCOR.sup.4, --NHCOOR.sup.6, --NHSO.sub.2 R.sup.6, --NHCONR.sup.4 R.sup.5, or --NHSO.sub.2 NR.sup.4 R.sup.5 ; R.sup.2 represents a group substitutable on a naphthalene ring; k is an integer of 0 to 3; R.sup.3 represents a substituent, X.sup.1 represents a hydrogen atom or a coupling split-off group; R.sup.4 and R.sup.5, which may be the same or different, each independently represent a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; R.sup.6 represents an alkyl group, an aryl group, or a heterocyclic group; when k is 2 or more, the R.sup.2 groups may be the same or different and may bond together to form a ring; and the compound may form a dimer or higher polymer formed by bonding through a divalent group or higher polyvalent group at R.sup.1, R.sup.2, R.sup.3, or X.sup.1, ##STR3## wherein R.sup.21 represents an alkyl group, an aryl group, or a heterocyclic group, R.sup.22 represents an aryl group, and Z.sup.1 represents a hydrogen atom or a coupling split-off group.
Abstract:
A method for processing a silver halide color photographic material, wherein the silver halide color photographic material having a layer containing at leasst one pyrazolone-based magenta coupler having a coupling releasing group represented by formula (I) and at least one compound represented by formula (II), (III), (IV) or (V) is processed with a color developing solution having a developing solution temperature of 36.degree. to 50.degree. C. and a developing solution pH of 10.3 to 12.0; ##STR1##R.sup.11 --Z.sub.2 (IV) ##STR2## wherein the substituents are as defined in the text of the specification.
Abstract:
A silver halide photographic material containing a compound having a structure represented by formula (I) ##STR1## wherein EAG represents a group capable of accepting an electron from a reducing material; E represents an electron-attracting group; R.sup.3 represents an atomic group necessary for forming a 5-membered to 8-membered single ring or condensed ring by combining with the carbon atom carrying EAG and E; ETG represents an electron-transmitting group; n represents 0 or 1; R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom, a hydrocarbon group, a heterocyclic group, or a single bond for forming a ring with EAG; Time represents a group releasing PUG upon cleavage of the bond between the carbon atom carrying R.sup.1 and R.sup.2 and Time; t represents 0 or 1; and PUG represents a photographically useful group.
Abstract:
A novel silver halide light-sensitive material is provided, comprising a compound represented by the general formula (I): ##STR1## wherein EAG represents an aromatic group which receives electrons from a reducing substance; R.sup.1 represents hydrogen atom or a substituent; R.sup.2 represents an electrophilic group, with the proviso that R.sup.1 and R.sup.2 may be in the position of cis or trans to each other; R.sup.3 and R.sup.4 each represents hydrogen atom or a hydrocarbon group; ETG represents a group capable of transferring electrons; e represents an integer 0 or 1; Time represents a group which undergoes reaction triggered by the cleavage from the carbon carrying R.sup.3 and R.sup.4 to release PUG; t represents an integer 0 or 1; and PUG represents a photographically useful group.In a preferred embodiment, R.sup.1 represents an aromatic group, heterocyclic group or group represented by --Y.sup.1 --R.sup.5 in which Y.sup.1 represents a hetero atom or hetero atomic group and R.sup.5 represents hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group. R.sup.2 represents an acyl group, carbamoyl group, alkoxycarbonyl group, cyano group, sulfonyl group or nitro group. R.sup.1 is a group represented by --Y.sup.1 --Y.sup.2 --R.sup.6 in which Y.sup.1 and Y.sup.2 each represents a hetero atom or hetero atomic group and may be the same or different and R.sup.6 represents hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group.
Abstract:
A silver halide photographic light-sensitive material containing at least one compound represented by the general formula (I): ##STR1## is disclosed. The compound of the invention has good stability over time. The material has improved developability and makes it possible to carry out simple and rapid processing. The material has good resistance with respect to fogging, stains and desensitization.