Abstract: Photothermographic emulsions sensitive to ultraviolet radiation can be coated on both sides of polymeric film which is inherently absorptive of the ultraviolet radiation, preventing crossover effects in cassette loading of the film.

Abstract: Improved color graininess can be obtained with a color photographic recording material containing in association with a silver halide emulsion layer unit a non-diffusing colored color coupler which, in the coupling position, contains a diffusion-proofing primary ballast group which is attached through an azo group and which is releasable during the color coupling reaction and which coupler gives a hydrophobic dye of limited mobility in the color coupling reaction.

Abstract: A silver halide color photographic light-sensitive material comprising a support having arranged thereon at least two each of red-sensitive layers, green-sensitive layers and blue-sensitive layers, wherein, with respect to each of the red-sensitive layers, the blue-sensitive layers and the green-sensitive layers, there are not less than two silver halide layers having different sensitivities, said material satisfying the following four requirements:a. the highest blue-sensitive silver halide emulsion layer (BH) is arranged to serve as the silver halide emulsion layer in the farthest position from the support;b. the highest green-sensitive silver halide emulsion layer (GH) and the highest red-sensitive silver halide emulsion layer (RH) are interposed between the highest blue-sensitive silver halide emulsion layer (BH) and a lower blue-sensitive silver halide emulsion layer (Bh);c.

Abstract: A silver halide color photographic light-sensitive material is described, containing: (1) a non-diffusing coupler forming a dye on reacting with an oxidation product of a color developing agent, said dye having diffusibiity of the extent that it exhibits controlled smearing; and (2) a DIR compound releasing a diffusing development inhibitor or its precursor through a coupling reaction. This light-sensitive material is improved in both granularity and sharpness, and has high sensitivity.

Abstract: A direct positive photographic light-sensitive material is disclosed which comprises at least two direct positive emulsion layers having the same color sensitivity, wherein at least one hydrophilic colloid layer is provided between the direct positive emulsion layers. A direct positive photographic light-sensitive material having a high graininess, a soft tone, and a high picture quality can be obtained.

Abstract: A novel silver halide color photographic material is described, comprising a support having thereon at least three silver halide emulsion layer units each having a sensitivity to each of three primary colors of blue, green and red, wherein at least one unit among said silver halide emulsion layer units comprises a layer group containing at least two layers each having a different sensitivity and at least one layer in said layer group, which satisfies the following condition (A) or (B):(A) in the case where the silver halide emulsion layer unit is a blue-sensitive or green-sensitive unit, the layer is one to take charge of coloration of a substantially highest density range on a characteristic curve; or(B) in the case where the silver halide emulsion layer unit is a red-sensitive unit, the layer is one other than a layer which is in charge of coloration of a substantially highest density range on a characteristic curve,contains at least one compound of the general formula (I): ##STR1## wherein R.sub.

Abstract: Using a color photographic negative recording material which contains a most sensitive, a medium-sensitive and a least sensitive silver halide part layer for recording light from at least one of the spectral ranges of red, green and blue, at least one of the two more sensitive part layers containing a DIR coupler and the most sensitive partial layer and the least sensitive part layer containing a color coupler which couples faster than the color coupler in the medium-sensitive part layer by a factor of at least 1.5, the sharpness can be improved without impairing the color grain.

Abstract: A silver halide color negative photographic material having at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on a support, which is characterized in that the combined total of silver contents in the material is from 3.0 g/m.sup.2 to 8.0 g/m.sup.2 and the specific photographic sensitivity of the material is from 320 to less than 800. The material has improved sharpness and graininess and has high processability including pressure-resistance. Even after stored for long periods of time, the graininess of the material does not deteriorate.

Abstract: The present invention is directed to a silver halide color photographic material including a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer on a support, wherein at least one of the photosensitive layers comprises two or more unit layers having different sensitivities, and among all of said unit layers, the unit layer highest in sensitivity contains at least one of(a) a compound capable of producing, by the reaction of the compound with a developing agent oxidized product, a compound that can produce a development inhibitor or its precursor when oxidized, and(b) a compound capable of producing, by the reaction of the compound with a developing agent oxidized product, a precursor of a compound that can produce a development inhibitor or its precursor when oxidized,with the amount of said at least one of compounds (a) and (b) being at most 1 mol % based on the amount of the silver halide in said unit layer highest in s

Abstract: A silver halide color photographic material composed of a support having thereon at least one light-sensitive silver halide emulsion layer, the material having a specific photographic sensitivity of at least 320 and a surface spectral reflectance of from 20% to less than 35% at a wavelength of 600 nm on the emulsion side film surface. The high sensitivity color photographic light-sensitive material provides superior exposure when used in an automatic exposure camera.

Abstract: A direct positive type silver halide color photographic material and an image forming method are disclosed. A green sensitive emulsion layer of the photographic material comprises silver halide grains having at least two peaks on the size distribution curve thereof and the grain size corresponding to the smallest grain size peak among the peaks is not more than 0.3 .mu.m and a magenta coupler represented by the following Formula (M-I); ##STR1## wherein Z is a group of non-metal atoms necessary to complete a nitrogen-containing heterocyclic ring; X is a hydrogen atom or a split-off group and R is a substituent. The photographic material is developed with a color development in the presence of a fogging agent to directly form the positive image after imagewise exposure to light. Thus obtained image is improved in a increased maximum density, lowered minimum density and wider exposure latitude. Stability of gradation with respect to variation of development conditions is also improved.

Abstract: A direct positive type silver halide photographic material and developing method therefor are disclosed. The photographic material have blue-, green- and red-sensitive emulsion layers and each of these emulsion layer contains at least two kinds of silver halide emulsion being different from each other in average grain size. The average grain diameter S of the emulsion having the smallest average grain size and the average grain diameter of the emulsion having the largest average grain size in each emulsion layer have a proportional relation of 1.6.ltoreq.L/S. The emulsion having the smallest average grain size is contained in a ratio of from 2 to 50% in the blue-sensitive layer and 2 to 40% in green- and red-sensitive emulsion layer.

Abstract: A multilayer color positive photographic print material with extended exposure latitude contains a limited amount of a spectral sensitizing dye for a first region of the spectrum in a silver halide emulsion layer spectrally sensitized to a second region of the spectrum.

Abstract: A color photographic recording material containing a coupler which releases a photographically active compound.Couplers corresponding to formula (I) couple with color developers to form yellow to yellow-orange dyes and, in doing so, release the residue X as a photographically active compounds. Where X is a development inhibitor, remarkably high inter-image and edge effects can be obtained. ##STR1## in which R.sup.1 represents alkyl, a heterocyclic or carbocyclic aromatic group or -NH-CO-R.sup.2 ;R.sup.2 represents alkyl, aryl or -NH-R.sup.3 ;R.sup.3 represents alkyl or aryl;Q represents the groups to complete a fused, optionally substituted benzene or heterocyclic ring;X represents the residue of a photographically active compound;TIME represents a bond which, on reaction of the coupler with the oxidation product of a color developer, is released together with the residue X attached thereto and, in turn, releases the residue X as a photographically active compound under the development conditions;n=0 or 1.

Abstract: Siliver halide photographic elements are disclosed comprised of blended emulsions. An improved relationship between speed and granularity can be realized when a blended silver bromide or bromoiodide emulsion is comprised of a high aspect ratio tabular grain emulsion containing at least one spectral sensitizing dye and a low aspect ratio grain emulsion.

Abstract: An improved photographic silver halide element comprises a support, and an emulsion layer unit containing one or more photographic silver halide emulsions sensitized to the same spectral region and, adjacent each side of the emulsion layer unit, a layer substantially free of active silver halide containing an image modifier which is a compound capable of imagewise releasing an image-modifying compound on silver halide development wherein at least one of the layers contains a dye image-forming coupler. Such a layer arrangement enables greater control of the emulsion layer's response to oxidized developer generated upon processing.

Abstract: A light-sensitive material package unit having an exposure function is disclosed, in which said light-sensitive material comprises a support having provided thereon 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 a magenta coupler, and at least one blue-sensitive silver halide emulsion layer containing a yellow coupler; at least one of said light-sensitive emulsion layers is composed of at least two layers being substantially the same in color sensitivity and different in sensitivity; and said light-sensitive emulsion layer composed of at least two layers contains a compound represented by formula (I)A--L.sub.1).sub.b Z.sub.1 (I)wherein A represents a component capable of releasing --(L.sub.1).sub.b Z.sub.1 upon reacting with an oxidation product of a color developing agent; L.sub.1 represents a timing group; Z.sub.

Abstract: A conventional silver halide color photographic material is described, containing a coupler having a dye moiety having the maximum absorption wave length shifted to a short wave length by a linkage which is cleaved directly or through a timing group by a coupling reaction with the oxidation product of a developing agent and forming a compound or the precursor thereof (compound A) having a dye moiety having the maximum absorption wave length before shifting as the result of the above-described reaction and a compound capable of fixing the hue of the compound A at a long wave length and/or capable of immobilizing the compound A in the photographic layer.

Abstract: High interimage effects and edge effects can be obtained in multilayer color photographic recording materials if yellow DIR couplers of formula I are used therein, particularly if used in green sensitized or red sensitized layers. Sharpness and color reproduction are substantially improved. ##STR1## wherein R.sup.1 denotes a straight chained or branched alkyl group with up to 18 carbon atoms;R.sup.2, R.sup.3 denote identical or different alkyl groups with up to 18 carbon atoms;R.sup.4 denotes H, halogen, alkyl with up to 6 carbon atoms or alkoxy with up to 6 carbon atoms;R.sup.5 denotes H or alkyl with up to 9 carbon atoms; andR.sup.6 denotes a saturated or unsaturated aliphatic group with up to 10 carbon atoms,the total number of carbon atoms in R.sup.5 and R.sup.6 being not less than 5 and not greater than 10.

Abstract: The sensitivity of color photographic negative films may be increased without loss of color quality or sharpness by applying at least one panchromatically sensitized, highly sensitive and black-coupling layer as uppermost, additional light sensitive and dye-forming layer on the side of the film facing the object and including in the negative material sufficient DIR-Coupler to produce an interimage effect of .gtoreq.10% in the yellow region, .gtoreq.25% in the magenta region and .gtoreq.15% in the cyan region.

Abstract: The sensitivity of highly sensitive color photographic recording materials may be enhanced by compounds releasing fogging or development accelerating compounds as a result of a reaction with color developer oxidation products and fogging may at the same time be reduced by using compounds corresponding to formula I as silver halide stabilizers: ##STR1## wherein Z denotes the atoms required for completing an oxazole or oxazine ring andY denotes a condensed aromatic ring system having at least one aromatic ring optionally substituted with an acid group, or a substituent carrying an acid group.

Abstract: A radiation-sensitive element suitable for the preparation of half-tone color proofs comprising a substrate bearing at least four separate positive acting imaging media coated thereon, said imaging media including:(1) an imaging medium capable of forming a yellow image upon imagewise exposure and processing,(2) an imaging medium capable fo forming a magenta image upon imagewise exposure and processing,(3) an imaging medium capable of forming a cyan image upon imagewise exposure and processing, and(4) an imaging medium capable of forming a black image or a balancing black image upon imagewise exposure and processing,each imaging medium (1), (2) and (3) having a maximum spectral sensitivity at a wavelength different from that of the maxiumu sensitivity of the other imaging medium of (1) to (3), the imaging medium (4) having spectral sensitivity at each of the wavelengths of the maximum sensitivity of the other imaging media.

Abstract: A multilayer silver halide color photographic material is described, comprising a support having thereon at least two light-sensitive silver halide emulsion layers, each having a different color sensitivity, and having associated therewith dye-forming agents forming imaging dyes, each having a different hue, wherein at least one dye of a hue substantially not contributing to the formation of the hue of a specific image of a region that the image density of at least one of said imaging dyes is above a definite density value of from 1.2 to 2.5 is provided so as to provide gradation to the specific image region.

Abstract: A silver halide color photographic material improved in image quality such as sharpness and graininess is disclosed. The silver halide color photographic material is comprises support having thereon photographic component layers comprising at least two silver halide emulsion layers, adjacently arranged to each other, having the same color sensitivity and different speed from each other. In this photographic material the highest speed layer among these emulsion layers contains a DIR compound capable of releasing a diffusible development inhibitor or a diffusible compound capable of releasing a development inhibitor, and the total thickness of the silver halide emulsion layers is within the range of from 1.5 .mu.m to 5 .mu.m, and the silver halide emulsion layers are allowed to have the interposition of a non-light-sensitive intermediate layer.

Abstract: A method for processing a silver halide color photographic material which comprises, after color development of an exposed silver halide color photographic material containing a hydrolyzable type DIR coupler, rapidly processing the developed silver halide color photographic material with a liquid having a bleaching ability and subsequently with a liquid having a bleach-fixing ability, to thereby form a color image.In accordance with the method for processing a silver halide color photographic material, desilveration is completed in a short period of time and color photographic images having excellent color reproducibility and fastness are obtained.

Abstract: A silver halide color reversal reflection print photosensitive material comprises at least one blue-sensitive layer, at least one green-sensitive layer and at least one red-sensitive layer on a support. In the characteristic curves of the color sensitive layers, a fluctuation width of point-gammas and absolute values of point-gammas are defined. The distribution of the grain size of the silver halide grains in silver halide emulsions contained in the color sensitive layer can be controlled by forming the grains in the presence of a silver halide solvent.

Abstract: A silver halide color photographic material is described, which comprises a support having provided therein at least a blue-sensitive emulsion layer, a green-sensitive emulsion layer and a red-sensitive emulsion layer, with the blue-sensitive emulsion layer comprising at least two layers differing in sensitivity, one of which is the highest sensitive emulsion layer containing at least one yellow-dye-forming coupler represented by the general formula (I), and the other of which is the lowest sensitive emulsion layer containing at least one yellow-dye-forming coupler represented by the general formula (II), whereby a yellow dye image having high maximum density and excellent in sharpness, graininess and light fastness can be produced: ##STR1##

Abstract: A silver halide color reversal photographic material is disclosed which comprises a support and at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on the support, which material is characterized in that at least one light-sensitive silver halide emulsion layer or at least one layer adjacent thereto contains at least one of the compounds represented by the following general formulae (I), (II), (III) and (IV): ##STR1## All the symbols used are as defined in the Specification.

Abstract: A recording material having improved sharpness and color reproduction contains as uppermost layer a green-sensitive silver chloride emulsion having a layered grain structure, the ratio of diameter to thickness of the silver halide grains being at most 5.

Abstract: A color photographic material having at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one blue-sensitive silver halide emulsion layer, characterized in that a blue-sensitive silver halide emulsion which is used in at least one of the blue-sensitive silver halide emulsion layer or layers contains silver halide grains of an average size of 0.4.mu. or less and at least one sensitizing dye represented by formula I or II: ##STR1## wherein Z.sup.1, Z.sup.2 and Z.sup.3 each represent an atomic group necessary for completing an oxazole, benzoxazole, naphthoxazole, thiazole, benzothiazole, naphthothiazole, imidazole, benzimidazole or naphthoimidazole ring; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent a substituted or unsubstituted alkyl or aryl group; (X.sup.-) represents an acid anion; and n represents zero or 1.

Abstract: A high sensitivity multilayer color photographic material is disclosed. The material is comprised of a support base having coated thereon red-sensitive, green-sensitive and blue-sensitive silver halide emulsion layers associated with non-diffusing image-forming couplers. The red-sensitive silver halide emulsion layer comprises an upper, an intermediate and a lower silver halide emulsion layer, sensitive to visible light in the same or substantially the same spectral wavelength range, with the sensitivity of the layers decreasing in order from the upper layer to the lower layer. The green-sensitive silver halide emulsion layer comprises an upper and a lower silver halide emulsion layer, sensitive to visible light in about the same spectral wavelength range, with the sensitivity of the layers decreasing in order from the upper layer to the lower layer.

Abstract: Silver halide photographic light-sensitive material comprising a support having a plurality of silver halide emulsion layers which are sensitive to the same spectral region and having different speeds and at least one light-sensitive layer comprising a nondiffusible coupler, which upon reaction with an oxidized product of a color developing agent is capable of forming a nondiffusible dye, wherein the silver halide emulsion layer having the greatest speed of said plurality of silver halide emulsion layers sensitive to a particular spectral region contains a nondiffusible coupler which, upon reaction with an oxidized product of a color developing agent, is capable of producing a moveable dye, and a silver halide emulsion having a speed slower than said fastest speed layer contains a nondiffusible compound which, upon reaction with an oxidized product of a color developing agent, is capable of releasing a development inhibitor material.

Abstract: A silver halide photographic material is disclosed. The material has at least one silver halide emulsion layer on a support, said silver halide emulsion layer containing a coupler which forms a mobile dye by coupling reaction with the oxidized product of a color developing agent, and said silver halide emulsion layer having in association therewith a non-light sensitive layer containing substantially non-light sensitive fine silver halide grains.

Abstract: A color photographic recording material comprising at least one layer of which the primary sensitivity is blue, another layer of which the primary sensitivity is green and a further layer of which the primary sensitivity is red, gives satisfactory density graduations for details of high color saturation when a red sensitivity is produced in at least one layer, of which the primary sensitivity is green, and in at least one layer, of which the primary sensitivity is blue, the primary sensitivity being 8 to 25 DIN higher than the secondary sensitivity.

Abstract: Disclosed are a silver halide grain comprising 8 or 12 concavities on the surface, and a photographical light-sensitive material containing a silver halide grain having 8 to 12 concavities on the surface.According to the present invention, there can be obtained silver halide grains having still higher sensitivity and also improved in the relationship of sensitivity-fog as compared with those of the prior art, and also a light-sensitive silver halide material by use of an emulsion containing said grains.

Abstract: Disclosed is a light-sensitive silver halide photographic material comprising at least one layer of green-sensitive silver halide emulsion layer (GH), at least one layer of red-sensitive silver halide emulsion layer (RH) and a plural number of blue-sensitive silver halide emulsion layers with different sensitivities, provided on a support, which is characterized in that one of the said plural number of blue-sensitive silver halide emulsion layers is provided as a silver halide emulsion layer (BH) positioned at the farthest side from the support, at least one layer GH and at least one layer RH are provided between the layer BH and a blue-sensitive silver halide emulsion layer lower in sensitivity than the layer BH, and further fine grains of silver halide are contained in at least one of the said blue-sensitive emulsion layer of lower sensitivity and a layer adjacent thereto. The fine grains of silver halide may have a blue-sensitive sensitizing dye adsorbed on the surfaces thereof.

Abstract: A silver halide photographic material is disclosed, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer and at least one substantially light-insensitive silver halide emulsion layer, wherein the substantially light-insensitive silver halide emulsion layer is present between a layer exhibiting the highest sensitivity among the light-sensitive silver halide emulsion layers and the support. This material is decreased in halation and cross-over light, and is excellent in sharpness.

Abstract: The present invention relates to silver halide color photosensitive materials having improved tone and color reproductions. According to the present invention, there is provided a silver halide color photosensitive material wherein a coupler having the following general formula (I) is contained in a green-sensitive material and wherein a cyan gradation added to a specific image of a region in which a yellow and/or magenta image density obtained by color development exceeds 0.7, so as to increase cyan image gradation in the specific image region independently of the cyan density in a cyan coloring red-sensitive layer and as the yellow and/or magenta image density in the specific image region increases. Formula (I): ##STR1## wherein R.sub.11 represents a hydrogen atom or a substituent, X represents a hydrogen atom or a group which can be released upon a coupling reaction with an oxidized product of an aromatic primary amine developing agent, and Za, Zb and Zc each represents a methine, substituted methine, .

Abstract: A reversal photographic element comprising at least two dye image-forming units, at least one unit comprising(1) a first silver halide emulsion layer spectrally sensitized to a given region of the spectrum with which is associated a dye image-forming chromogenic coupler and(2) a second silver halide emulsion layer spectrally sensitized to a different region of the spectrum than the first and containing an interimage effect-forming means such as a development inhibitor-releasing coupler, which forms either a colorless compound or a dye which does not substantially take part in the formation of the image.

Abstract: A photographic light-sensitive material comprising a support having provided thereon at least one silver halide emulsion layer is disclosed, which contains in said silver halide emulsion layer two silver halide emulsions which are different from each other in mean grain size and which satisfy the conditions that:one of the silver halide emulsions, having a relatively larger mean grain size, has a mean grain size (X.sub.1) of 1.3 .mu.m or more;the mean grain size (X.sub.2) of the other silver halide emulsion, having a relatively smaller mean grain size, and X.sub.1 has a relation satisfying Formula (1)Formula (1): 0.5.ltoreq.X.sub.2 /X.sub.1 .ltoreq.0.9;the ratio of the standard deviation (S.sub.1) of the grain sizes of the silver halide emulsion having a relatively larger mean grain size to X.sub.1 satisfies the Formula (2)Formula (2): S.sub.1 /X.sub.1 .ltoreq.0.25;the ratio of the standard deviation (S.sub.2) of the grain sizes of the silver halide emulsion having a relatively smaller mean grain size to X.

Abstract: There is disclosed a light-sensitive silver halide photographic material, having two or more light-sensitive silver halide emulsion layers different in color sensitivities on a support, at least two of the light-sensitive silver halide emulsion layers different in color sensitivities containing a DIR compound capable of releasing a developing inhibitor or developing inhibitor precursor through the reaction with the oxidized product of a developing agent, the developing inhibitor or developing inhibitor precursor released from the DIR compound being diffusive, wherein the following conditions A:DIR compounds are added and incorporated in the emulsion layers so that the developing inhibitor released from the DIR compound incorporated in one color-sensitive silver halide emulsion layer and the developing inhibitor released from the DIR compound incorporated in the other color-sensitive silver halide emulsion layer are reversed in developing inhibiting power when the DIR compounds to be incorporated in the respec

Abstract: There is disclosed a light-sensitive silver halide color photographic material having red-sensitive, green-sensitive and blue-sensitive emulsion layers, each layer consisting of two or more layers with different sensitivities on a support, wherein the layers are constituted so as to satisfy the following requirements (A), (B), (C) and (D):(A) of the respective emulsion layers having the highest sensitivities among the the red-sensitive, green-sensitive and blue-sensitive emulsion layers, the highest sensitivity blue-sensitive emulsion layer is provided on the side farthest from the support;(B) at least the the highest sensitivity red-sensitive emulsion layer and the highest sensitivity green-sensitive emulsion layer are provided between the the highest blue-sensitive emulsion layer and a blue-sensitive emulsion layer with lower sensitivity;(C) none of the respective red-sensitive, green-sensitive and blue-sensitive emulsion layers having the lowest sensitivities exists on the side farther than the low sensiti

Abstract: A color photographic recording material contains at least one silver halide emulsion layer which is divided into a partial layers of different sensitivity, at least one relatively high-sensitivity partial layer containing a synthetic polymer and gelatin in a ratio by weight of from 30:70 to 80:20.

Abstract: A silver halide color photographic material is provided, having on a support, one or more cyan coupler-containing red-sensitive silver halide emulsion layers, magenta coupler-containing green-sensitive silver halide emulsion layers and yellow coupler-containing blue-sensitive silver halide emulsion layers and additionally having a silver halide emulsion layer which contains at least one cyan coupler and which is spectrally sensitized such that the relation of the maximum sensitivity wavelength .lambda..sub.RG of the spectral sensitivity distribution thereof to the weight averaged wavelength of sensitivity .lambda..sub.R of the spectral sensitivity distribution of said red-sensitive layer and the weight averaged wavelength of sensitivity .lambda..sub.G of the spectral sensitivity distribution of said green-sensitive layer satisfies the formulae.lambda..sub.R -.lambda..sub.RG .gtoreq.5 nmand.lambda..sub.RG -.lambda..sub.G .gtoreq.5 nm.

Abstract: Industrial radiographic systems having low grainines and high information density may be constructed with intensifying screens sandwiching radiation sensitive elements having emulsions wherein the average size of the silver halide grains is less than 0.4 micrometers.

Abstract: Silver halide color photographic materials comprising a support having thereon at least one blue-sensitive silver halide emulsion layer comprising a yellow dye-forming coupler, at least one green-sensitive silver halide emulsion layer comprising a magenta dye-forming coupler, and at least one red-sensitive silver halide emulsion layer comprising a cyan dye-forming coupler, characterized in that the wavelength weight-averaged between 500 nm and 600 nm (.lambda..sub.G) of spectral sensitivity distribution of all green-sensitive layers is in the range of 520 nm to 580 nm, the wavelength weight-averaged between 500 nm and 600 nm (.lambda..sub.-R) of spectral sensitivity distribution of one or more donor layers which exert an interlayer effect to at least one red-sensitive emulsion layer comprising a cyan dye-forming coupler is located in the range of 500 nm to 560 nm, and the difference of (.lambda..sub.G -.lambda..sub.-R) is greater than 5 nm.

Abstract: A silver halide color photographic material having blue-, green- and red-sensitive silver halide emulsion layers coated on a support is provided, each of said layers being composed of a plurality of sub-layers having different sensitivities. In said material, at least a red-sensitive silver halide emulsion sub-layer having high sensitivity is provided between a first green-sensitive silver halide emulsion sub-layer of high sensitivity and a second green-sensitive silver halide emulsion sub-layer having a lower sensitivity than said first green-sensitive sub-layer, said first green-sensitive sub-layer and/or said red-sensitive sub-layer with high sensitivity giving a maximum color density of formed dye in said material higher than 0.6 but not exceeding 1.3.

Abstract: In a light-sensitive silver halide photographic material having blue-sensitive, green-sensitive and red-sensitive photosensitive layers on a support and being capable of forming a multi-color image, the improvement wherein at least one of said photosensitive layers comprises a high sensitivity layer and a low sensitivity layer; at least one of said high sensitivity layers contains flat plate silver halide grains with an average aspect ratio of 5:1 or higher; and at least one of said low sensitivity layer contains an emulsion comprising silver halide grains which are substantially mono-dispersed.

Abstract: A silver halide color photographic light-sensitive material comprising at least three silver halide emulsion layer units sensitive to blue, green and red light, respectively, at least one of the silver halide emulsion layer units having at least two layers which are different in sensitivity from each other and containing at least Coupler (A') described below and Coupler (B) described below, and one of said layers is in charge of color formation of the highest density portion in the characteristics curve of these layers and contains Coupler (B) described below which forms a dye having the maximum absorption wavelength different from a dye formed from Coupler (A) described below in an amount of at least 30 mol % of the total amount of the couplers included therein, wherein Coupler (A) denotes (i) a coupler which forms a dye having a maximum absorption in the wavelength range from 400 nm to less than (the maximum absorption wavelength of a dye formed from Coupler (A')+5) nm, when employed in a blue-sensitive lay

Abstract: A silver halide color photographic material which comprises a support having coated thereon at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer, characterized in that the gradation of each of the blue-, green- and red-sensitive layers satisfies the following relation: ##EQU1## wherein .gamma..sub.B (10.sup.-4), .gamma..sub.G (10.sup.-4) and .gamma..sub.R (10.sup.-4) represent gradation of the blue-, green- and red- sensitive layers upon 1/10,000 second exposure, respectively and .gamma..sub.B (10.sup.-2), .gamma..sub.G (10.sup.-2) and .gamma..sub.R (10.sup.-2) represent those upon 1/100 second exposure, respectively, which provides a color picture having good color and tone reproduction in both regular and flash photography.