摘要:
A color photographic silver halide material comprising a substrate, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterised in that the silver halide crystals of the red-sensitive layer have a chloride content of at least 95 mol %, the cyan coupler corresponding to formula wherein R1 represents a hydrogen atom or an alkyl group, R2 represents an alkyl, aryl or hetaryl group R3 represents an alkyl or aryl group, R4 represents an alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulphonyloxy, sulphamoylamino, sulphonamido, ureido, hydroxycarbonyl, hydroxycarbonylamino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom and Z represents a hydrogen atom or a group which may be split off under the conditions of chromogenic development and the red-sensitive layer contains at least one compound of formula wherein R5 represents H, CH3 or OCH3, R6 represents H, OH, CH3, OCH3, NHCO—R7, COOR7, SO2NH2, NHCONH2 or NHCONH—CH3 and R7 represents C1 to C4 alkyl, is distinguished by very good stability in storage simultaneously with very good latent image stability.
摘要:
Disclosed is a colour photographic element containing one or more cyan dye-forming couplers, a UV absorber and a specific class of stabiliser, and an imaging process used therewith. The element exhibits improved stability.
摘要:
A silver halide photographic material excellent in color generation, color reproduction and image fastness, which comprises at least one coupler represented by the following formula: wherein R1 represents an alkyl group which may be optionally substituted, with the proviso that an alkyl group substituted by a halogen atom alone and an alkyl group substituted by a halogen atom and an aryl group are excluded from R1; R2 and R3, which may be the same or different, each represents a hydrogen atom or a substituent; and X1 represents a group which can leave by coupling with an oxidation product of a color developing agent; and an image formation method using the same.
摘要翻译:一种颜色产生,色彩再现和图像牢度优异的卤化银照相材料,其包含至少一种由下式表示的成色剂:其中R 1表示可以被任意取代的烷基,条件是被 单独的卤素原子和被卤素原子和芳基取代的烷基从R1排除; R 2和R 3可以相同或不同,各自表示氢原子或取代基; X1表示通过与彩色显影剂的氧化产物偶联而离开的基团; 和使用该图像形成方法的图像形成方法。
摘要:
A silver halide light-sensitive color photographic material is disclosed. The material comprises thermotropic low molecular crystal. The material is improved in light fastness of a dye image and dye-forming efficiency.
摘要:
A method of forming a photographic image comprising imagewise exposing a silver halide color photographic material comprising a support having thereon a cyan color image forming layer, a magenta color image forming layer and an yellow color image forming layer, wherein the cyan color image forming layer in the photographic material contains silver halide emulsion grains having a silver chloride content of 95 mol % or more and containing substantially no silver iodide and contains a color sensitizing dye of the following general formula (I), ##STR1## wherein the terms are as defined in the specification and color developing the exposed material with a color developer, wherein the color developer has a chloride ion content of from 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/liter and a bromide ion content of from 1.5.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/liter.
摘要:
An image forming method comprising imagewise exposure and color development of a multilayer silver halide color photographic material comprising a support having thereon at least one silver halide light-sensitive emulsion layer containing at least one oil-soluble coupler which is capable of forming a substantially non-diffusible cyan dye upon coupling with an oxidation product of an aromatic primary amine developing agent and which is represented by formula (I), and at least one compound selected from the group consisting of compounds represented by formula (II) or (III) followed by the processing of the multilayer silver halide color photographic material with at least one of a bleaching solution and bleach-fixing solution each having a pH of not higher than 6.3, wherein formula (I), (II) and (III) comprise ##STR1## wherein Y represents --NHCO-- or --CONH--; R.sub.1 represents an alkyl group, an aryl group, a heterocyclic group or an amino group; X represents a hydrogen atom, a halogen atom, an alkoxy group or an acylamino group; R.sub.2 represents an alkyl group or an acylamino group, or X and R.sub.2 together represent a non-metallic atomic group necessary for forming a 5-membered, 6-membered or 7-membered ring; Z represents a hydrogen atom or a group capable of being released at the time of coupling with the oxidation product of the developing agent; R.sub.3 and R.sub.5 each represents a halogen atom, an acyl group, an alkyl- or arylsulfonyl group or a carbamoyl group, R.sub.4 and R.sub.6 each represents a hydrogen atom, an alkyl gorup, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group or an amido group; and the total number of carbon atoms included in the groups represented by R.sub.3 and R.sub.4 or the groups represented by R.sub.5 and R.sub.6 is not less than 8.
摘要:
A silver halide photographic light sensitive material improved in suitability for rapid processing and in color forming efficiency, spectral absorption property and fastness of the cyan image is disclosed. The silver halide photographic light-sensitive material comprises a support having thereon at least one silver halide emulsion layer comprising a silver halide grain containing 90 mol % or more of silver chloride, a cyan- dye forming coupler represented by the following formula [C-1], a cyan-dye forming coupler represented by the following formula [C-2], and a non-color forming compound represented by the following formula [I]; and a compound represented by the following formula [IIa], [IIb] or [IIc]: ##STR1##
摘要:
A silver halide photographic material. A support contains at least one silver halide emulsion layer that has in combination at least one cyan coupler of Formula I with at least one dye image stabilizer of Formula II or III.
摘要:
A color photographic silver halide material containing in at least one red-sensitive layer a cyan coupler having formula (I) and in a photosensitive or non-photosensitive layer a UV absorber having formula (II) where R1 to R4, R11 to R16, Z, m, n and o have the meanings specified in the description, is characterised by good light and dark stability and low secondary densities.
摘要:
Disclosed is a silver halide color photographic material containing at least one cyan dye forming coupler of the following general formula (C-1) and at least one compound of the following general formula (I) in the same layer of the material: ##STR1## where R.sub.0 represents an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group;X represents a hydrogen atom, or a group capable of being split off by a coupling reaction with the oxidation product of an aromatic primary amine color developing agent; andAr represents an aromatic group; ##STR2## where R.sub.1, R.sub.2 and R.sub.3 each represent an aliphatic group, an aryl group, or a heterocyclic group;R.sub.4 represents a hydrogen atom, an aliphatic group, an aryl group, or a heterocyclic group;R.sub.1 and R.sub.2, or R.sub.3 and R.sub.4 may be bonded to each other to form a 5-membered to 8-membered ring along with the nitrogen atom in the formula;the compound of formula (I) may form a dimer or a higher polymer at the position of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 ;provided that R.sub.1 and R.sub.3, or R.sub.2 and R.sub.4 are not bonded to each other to form a ring, and that the sum of the carbon atoms of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is 6 or more.