Abstract: A silver halide light sensitive color photographic material is disclosed, comprising a reflective support having on one side of the support a hydrophilic colloid layer containing a white pigment and one or more silver halide emulsion layers, wherein at least one of the silver halide emulsion layers contains a silver halide emulsion having a spectral sensitivity maximum at a wavelength of 730 nm or more, and an average primary particle size of the white pigment being 0.30 .mu.m or more.

Abstract: A silver halide color photographic material is disclosed which comprises a support and provided thereon, a first silver halide emulsion layer comprising at least one yellow image forming silver halide emulsion, a second silver halide emulsion layer comprising-at least one magenta image forming silver halide emulsion and a third silver halide emulsion layer comprising at least one cyan image forming silver halide emulsion, wherein at least one of said first, second and third silver halide emulsion layers further contains a fourth silver halide emulsion, each one of said first, second, third and fourth silver halide emulsions has a spectral sensitivity wavelength region at least six times higher than that in the wavelength region of the other three emulsions, and said fourth silver halide emulsion gives an optical density after development of 0.7 or more.

Abstract: Disclosed is a positive type color light sensitive material comprising a support having thereon a mainly yellow image forming layer, a mainly magenta image forming layer and a mainly cyan image forming layer;wherein, when an exposure quantity-gives minimum density of +0.2 on a first layer selected from said three layer after developing in the main spectra sensitivity region of the first layer, a second layer selected from said three layers is given lower density with said exposure than a density without said exposure.The positive type color light sensitive material is capable of providing a color proof improved in the approximation degrees of an image quality to a printed printer.

Abstract: Disclosed is a direct positive silver halide color photographic light-sensitive material comprising a support and provided thereon, a blue-sensitive emulsion layer containing previously unfogged internal latent image-forming silver halide grains having a spectral sensitivity to blue-light, a green-sensitive emulsion layer containing previously unfogged internal latent image-forming silver halide grains having a spectral sensitivity to green-light, a red-sensitive emulsion layer containing previously unfogged internal latent image-forming silver halide grains having a spectral sensitivity to red-light and a hydrophilic colloidal layer, wherein said blue-sensitive emulsion layer is provided so as to be located farther than both said green-sensitive and said red-sensitive emulsion layers from the support; and at least one of said blue-sensitive emulsion layer, said-green sensitive emulsion layer and said red-sensitive emulsion layer or said hydrophilic colloidal layer contains an internal latent image forming si

Abstract: A silver halide color photographic light sensitive material comprising a support which is both side coated with a polyolefin resin is disclosed. A hydrophilic colloidal layer containing a white pigment and a silver halide emulsion layer are provided on the support and the silver halide emulsion layer contains at least one of the compounds represented by the following Formula I, ##STR1## wherein R.sub.1 represents an alkyl group, a cycloalkyl group or an aryl group; R.sub.2 represents a fluorine atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a dialkylamino group, an alkylthio group or an arylthio group; R.sub.3 represents a group substitutable to a benzene ring; n is an integer of 0 or 1; Z represents a hydrogen atom or a group capable of splitting off when coupling it to the oxidized product of a developing agent; and Y represents a monovalent organic group including a ballast group.

Abstract: Disclosed is a silver halide color photographic light-sensitive material comprising a reflective support comprising polyolefin resin coated paper and provided on one side thereof with photographic component layers comprising a hydrophilic colloidal layer containing a white pigment, a non-sensitive hydrophilic colloidal layer, and a silver halide emulsion layer, wherein at least one of said photographic component layers contains an oil-soluble dye or a colored pigment, either of which is not substantially incapable of being decolorized on a photographic-processing.

Abstract: A light-sensitive silver halide color photographic material suited for preparing a color proofing image is provided, comprising a support and provided thereon a yellow image forming silver halide emulsion layer, a magenta image forming silver halide emulsion layer and a cyan image forming silver halide emulsion layer, wherein a silver halide emulsion with a spectral sensitivity having a part common to the respective spectral sensitivity regions pertaining to said yellow, magenta and cyan image forming silver halide emulsion layers is contained in at least one of the image forming silver halide emulsion layers; and the magenta image forming silver halide emulsion layer contains a compound represented by the following formula and a yellow dye forming coupler.

Abstract: Disclosed is a positive type silver halide color photographic light-sensitive material comprising a support having thereon a mainly yellow image forming layer, a mainly magenta image forming layer and a mainly cyan image forming layer; wherein, when an exposure is conducted with 1/10 to 10 times an exposure amount giving minimum density of +0.2 on a first layer selected from said three layer after developing in the main spectra sensitivity region of the first layer, a second layer selected from said three layers is given lower density with said exposure than a density without said exposure; and after a photographic process comprising a color developing step, the mainly yellow, mainly magenta and mainly cyan image forming layers have the monochromatic yellow, magenta and cyan tones in toe portions thereof each of not less than 1.7. The silver halide color photographic light sensitive material is capable of providing a color proof improved in the approximation degrees of an image quality to a printed matter.

Abstract: Disclosed is a silver halide color photographic light-sensitive material comprising a support having thereon a mainly yellow image forming layer, a mainly magenta image forming layer and a mainly cyan image forming layer; wherein, when an exposure is conducted within 1/10 to 10 times of an exposure amount giving minimum density of +0.2 on the first layer selected from said three layers after developing in the main spectra sensitivity region of the first layer, the second layer selected from said three layers is given lower density with said 1/10 to 10 times of exposure than a density without said 1/10 to 10 times of exposure; and reflection densities in 450 nm, 550 nm and 700 nm is not less than 0.8 respectively, before the developing.The silver halide color photographic light sensitive material is capable of providing a color proof improved in the approximation degrees of an image quality to a printed printer.

Abstract: A silver halide color photographic light sensitive material comprising a support which is both side coated with a polyolefin resin is disclosed. A hydrophilic colloidal layer containing a white pigment and a silver halide emulsion layer are provided on the support and the silver halide emulsion layer contains at least one of the compounds represented by the following Formula I, ##STR1## wherein R.sub.1 represents an alkyl group, a cycloalkyl group or an aryl group; R.sub.2 represents a fluorine atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a dialkylamino group, an alkylthio group or an arylthio group; R.sub.3 represents a group substitutable to a benzene ring; n is an integer of 0 or 1; Z represents a hydrogen atom or a group capable of splitting off when coupling it to the oxidized product of a developing agent; and Y represents a monovalent organic group including a ballast group.

Abstract: A silver halide photographic light-sensitive material comprising a reflective support having a transmission density of not more than 0.8, having thereon, a photographic component layer comprising a silver halide emulsion layer and a layer including at least one anti-halation layer formed closer to said support than said silver halide emulsion layer is disclosed. In the photographic material, degradation of image sharpness due to use of a reflective support having low transmission density is prevented.

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 direct positive silver halide photographic material with an internal latent image-type silver halide emulsion layer that provides a direct positive image by a fogging treatment (for example, an overall exposure, or surface developing treatment in the presence of a fogging agent) after imagewise exposure. The silver halide particles which form the emulsion layer consist essentially of a core portion made of silver halide and having been chemically sensitized or doped with metal ions. There are provided a plural number of shell portions made of silver halide containing silver chloride. The chloride content of an inner shell adjacent to the outmost shell of the particles has a smaller amount of chloride content than that of the outermost shell. The photographic material is used by first imagewise exposing it to light, effecting overall fogging treatment on the silver halide particles and processing the exposed photographic material to produce the image.

Abstract: A direct positive photographic material having a support and a silver halide emulsion layer thereon contains internal latent image type silver halide grains. These grains have a core/shell structure and have not been previously fogged. Each grain comprises a conversion type silver halide core and a silver halide shell over the core.The layer would produce, when exposed for a given time upto one second and developed at 20.degree. C. for 4 minutes with a certain internal developing solution, a maximum density which is at least five times that obtained when the layer is similarly exposed and developed with a particular surface developing solution.

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 are silver halide grains which have crystal faces defined by Miller indices of (nnl) where n.gtoreq.

Abstract: In a light-sensitive direct posi silver halide color photographic material having photographic constituent layers comprising at least one silver halide emulsion layer containing latent image type silver halide grains not previously fogged, which is capable of giving a direct posi image by subjecting the whole surface to exposure or effecting surface development in the presence of a fogging agent, after image exposure, the improvement wherein said internal latent image type silver halide grains are composed of at least two groups of internal latent image type silver halide grains having average grain sizes different from each other, and at least one compound capable of releasing a development inhibiting substance or its precursor through the reaction with the oxidized product of a color developing agent is contained in at least one layer of said photographic constituent layers.

Abstract: A method for obtaining direct positive images wherein a photographic material having a support and at least two silver halide emulsion layers coated thereon, each layer having a different spectral sensitivity, said emulsions being of the internal latent image type and containing unfogged silver halide crystals, is imagewise exposed and then subjected to an overall area exposure prior to or during the development thereof to form the image. The overall area exposure is such that the photographic intensity ratios between various layers are not more than 6 and the intensity of such overall exposure has a value between light intensities which give 0.8 times the maximum image density of the particular emulsion layer and 10 times that light intensity value.

Abstract: This invention relates to a light-sensitive, direct positive silver halide photographic material, more particularly to a light-sensitive silver halide photographic material of internal latent image type containing a novel, development-accelerating compound, as used for the formation of a direct positive image by imagewise exposure followed by overall light-exposure before and/or during development or development treatment in the presence of a fogging agent.