摘要:
A silver halide color photographic material comprises a support having thereon at least one silver halide emulsion layer and at least one cyan coupler which can release a water-soluble compound residual group which contains a 2-acyaminophenylazo group or 2-sulfonamidophenylazo group via a coupling reaction with an oxidation product of a primary aromatic amine developing agent.
摘要:
A light-sensitive material having at least one emulsion layer containing silver halide grains, wherein tabular grains having an average aspect ratio of 2 or more occupy at least 50% of the total projected area of all grains, and the material contains a compound which releases two photographically useful groups from one molecule through a timing group and/or a compound which releases a photographically useful group through two timing groups.
摘要:
A silver halide photographic material having on a support, at least one photosensitive silver halide emulsion layer, which contains a coupler which releases at least two groups selected from the group consisting of a photographically useful group and a precursor thereof via a timing group upon undergoing a coupling reaction with an oxidized product of a developing agent, in which a plurality of photographically useful groups or precursors thereof are present on different atoms of the timing group, provided that when the plurality of photographically useful groups have a different function to each other, the timing group is not a group utilizing an intramolecular nucleophilic substitution reaction.
摘要:
Disclosed is a silver halide color photographic light-sensitive material which contains an emulsion in which the silver iodide surface content of the silver halide grains is less than the average silver iodide content of the grains. The material also contains a compound capable of releasing two photographically useful groups through at least one timing group and/or a compound capable of releasing a photographically useful group through two timing groups.
摘要:
A silver halide photographic material having on a support at least one silver halide emulsion layer, which contains at least one precursor of the kind which releases at least two groups selected from the group consisting of a photographically useful group and a precursor thereof via a timing group, wherein plural photographically useful groups or precursors thereof are present on different constituent atoms of said timing group, provided that when the plural photographically useful groups have different functions, the timing group is a group which does not utilize an intramolecular nucleophilic substitution reaction.
摘要:
A silver halide color photographic light-sensitive material has at least one light-sensitive silver halide emulsion layer on a support, contains a pyrazoloazole-based coupler, and further contains a compound represented by Formula (I) and/or Formula (II) below:Formula (I) A--(L.sub.1).sub.j --(L.sub.2).sub.m --[(L.sub.3).sub.n --PUG].sub.sFormula (II) A--L.sub.4 --L.sub.5 --PUGwhere A represents a coupler moiety or an oxidation-reduction group, each of L.sub.1 and L.sub.3 represents a divalent timing group, L.sub.2 represents a timing group with a valency of 3 or more and does not use electron transfer via a conjugated system, L.sub.4 represents a coupling group such as --OCO--, L.sub.5 represents a group for releasing PUG by electron transfer along a conjugated system or L.sub.4, PUG represents a photographically useful group, each of j and n independently represents 0, 1, or 2, m represents 1 or 2, and s represents a number obtained by subtracting 1 from a valence number of L.sub.2 and an integer of 2 or more. This silver halide color photographic light-sensitive material is excellent in sharpness, color reproducibility, and desilvering properties.
摘要:
A silver halide color photographic material comprising a support having thereon at least one photosensitive emulsion layer comprising a DIR coupler which is represented by general formula (I) below and a compound which is represented by general formula (R-1) below; ##STR1## wherein A represents a coupler residual group, n represents an integer of 0 or 1 with the proviso that when A represents a phenol type or naphthol type coupler residual group then n is 1, and when A represents some other coupler residual group then n is 0, and R represents an alkyl group which has from 1 to 4 carbon atoms or a pyridyl group;A-(L.sub.1).sub.v -B-(L.sub.2).sub.w -INH-HYD Formula (R-I)wherein A represents a group which reacts with the oxidized form of the developing agent and cleaves (L.sub.1).sub.v -B-(L.sub.2).sub.w -INH-HYD, L.sub.1 represents a group which cleaves the bond with B after cleavage of the bond with A, B represents a group which reacts with the oxidized form of a developing agent and cleaves (L.sub.2).sub.w -INH-HYD, L.sub.2 represents a group which cleaves INH-HYD after cleavage of the bond with B, INH represents a group which has a development inhibiting capacity, HYD represents an alkoxycarbonyl group or a group which contains an alkoxycarbonyl group, v and w each represent an integer of value from 0 to 2, and when they represent 2, the two L.sub.1 and the two L.sub.2 groups may be the same or different.
摘要:
A silver halide color photographic material comprising a support having provided thereon at least one silver halide emulsion layer, which is characterized by containing a compound represented by the following formula (I):A--L.sub.1 --L.sub.2 --INH--Q (I)wherein A represents a coupler residue; L.sub.1 represents ##STR1## wherein W represents an oxygen atom, a sulfur atom, or --N(R.sub.13)--, R.sub.11 and R.sub.12 independently represent a hydrogen atom or a substituent, and R.sub.13 represents a substituent, or R.sub.11, R.sub.12 and R.sub.13 may each represent a divalent group and be connected together to form a cyclic structure; L.sub.2 represents a group capable of releasing INH-Q through electron transfer along a conjugated system or has the same meaning as L.sub.1 ; INH represents a development inhibitor residue connected to L.sub.2 at the hetero atom thereof; and Q represents a secondary or tertiary alkyl group having from 3 to 5 carbon atoms, provided that when Q has a substituent(s), the total carbon atom number may exceed 5. Said silver halide color photographic material has high sensitivity and provides a color image with improved sharpness and improved graininess, and is freed from fluctuations of photographic properties during aging from photographing (exposure) up to development.
摘要:
A compound represented by the following general formula (I) is added to at least one layer of a silver halide photographic photosensitive material, thereby improving sharpness and graininess or decreasing a variation in photographic performance during storage after photography and before development: ##STR1## where A represents a coupler moiety, each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or a substituent, each of R.sup.3 and R.sup.4 independently represents a hydrogen atom or an alkyl group, INH represents a group having a development inhibiting function, and R.sup.5 represents a nonsubstituted phenyl group, a nonsubstituted primary alkyl group, or a primary alkyl group substituted with a group other than an aryl group, at least one of R.sup.1 to R.sup.4 being a substituent other than a hydrogen atom, and an --OC(.dbd.O)-- group combining with one of two nitrogen atoms forming a pyrazole ring.
摘要:
Disclosed is a silver halide color photographic material which comprises a support having thereon at least one photosensitive silver halide emulsion layer, a pyrazoloazole based magenta coupler, and a coupler which contains a plurality of photographically useful groups or precursors thereof. The photograhically useful groups or precursors thereof are capable of being released when the coupler undergoes a coupling reaction with the oxidized product of a color developing agnet.