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: A silver halide photographic light-sensitive material is disclosed, which is excellent in light discoloration resistance and is more particularly capable of keeping its color balance and reproducing long life color images. The photographic material comprises a support, at least three light-sensitive silver halide emulsion layers containing a yellow, magenta, and cyan coupler, respectively, and at least one non-light-sensitive layer being provided at a further side of the emulsion layer being provided at the furthest position from the support. The non-light-sensitive layer contains at least three kinds of UV absorbers represented by the general formula [UV-I], provided that at least one of the UV absorbers is in a liquid state at 30.degree. C. and at least two UV absorbers are in a solid state at the same temperature.

Abstract: A silver halide photographic material having on a support at least one hydrophilic colloid layer and at least one silver halide emulsion layer containing tabular silver halide grains having a grain diameter of at least 5 times the thickness of the grains and at least one compound represented by general formula (I) ##STR1## wherein R.sup.1 represents a methyl group and R.sup.2 represents an alkyl group, a substituted alkyl group, an aryl group, or a substituted aryl group.

Abstract: A color photographic light-sensitive material comprising a support having thereon, in sequence:(1) a blue-sensitive silver halide emulsion layer containing, dispersed in the emulsion using a high-boiling organic solvent, a yellow coupler represented by the following general formula (I): ##STR1## with the weight ratio of the high-boiling organic solvent for dispensing the coupler to the yellow coupler being 1.0:1 or less;(2) a green-sensitive silver halide emulsion layer containing a magenta coupler represented by the following general formula (II): ##STR2## (3) a red-sensitive silver halide emulsion layer containing a cyan coupler represented by the following general formula (III): ##STR3## (4) an ultraviolet light absorbing layer containing an ultraviolet light absorbent represented by the following general formula (IV): ##STR4## in which the substituents X, Z, and R.sub.1 -R.sub.12 are as defined in the specification.

Abstract: A silver halide color photographic light-sensitive material comprising a support and red-sensitive, green-sensitive and blue-sensitive light-sensitive layers formed on the support. The light-sensitive layers separately contain a coupler of formula (I), a coupler of formula (II) or (III), and a coupler of formula (IV). ##STR1## This novel combination of couplers leads to good color formability, improved color reproducibility, improved image preservability and good color balance.

Abstract: Full color photographic images are produced by exposure of a radiation-sensitive element comprising at least three silver halide emulsion layers. At least two silver halide emulsion layers are sensitized to infrared radiation. Selectively absorptive filter layers and/or differential sensitivities between emulsion layers are used to prevent exposure of other layers to radiation used to expose a single layer.

Abstract: X-ray energy-difference images are obtained simultaneously by exposing a body to a broad energy spectrum x-ray beam while a radiographic film package is disposed between front and rear x-ray intensifying screens. The film package has two superimposed films with a light-opaque sheet between them. The front screen, on which the polyenergetic image beam emerging from the body is incident, is excited to luminescence by x-ray photons predominantly in one energy band and the rear screen is excited predominantly by photons in another band. The light opaque sheet preferably contains x-ray filter material for additional filtering of photons to increase the fraction of photons at said other band to which the rear screen is sensitive. A shadowgraph of a marker is formed on the film emulsions during x-ray exposure to aid in matching congruent picture elements on each film when the developed films are being read out to obtain signals corresponding to their intensities.

Abstract: A color photographic light-sensitive material comprising a reflective support having thereon a plurality of silver halide emulsion layers of which the silver halide layer located farthest from the support contains not less than 15 mole percent of silver chloride and two non-light-sensitive layers each containing an ultraviolet absorbing agent.

Abstract: Adjacency effects of a color photographic material may be increased by dividing a light-sensitive silver halide emulsion layer into three emulsion layers sensitive to the same spectral region of the visible light, the uppermost silver halide emulsion layer of which has the highest sensitivity and the lowermost silver halide emulsion layer has the lowest sensitivity, wherein the maximum color density of the uppermost silver halide emulsion layer, after color development, is lower than 0.60 and the maximum color density of both the intermediate and lowermost silver halide emulsion layers, after color development, are each higher than 0.60.

Abstract: Compounds corresponding to the following formula(MS--Het--(Ar).sub.m --NR.sup.1 --CO) .sub.n R.sup.2which are contained in a color-photographic recording material in a silver-free layer between a layer containing colloidal silver and a silver halide emulsion layer, improve the storage stability of the material.

Abstract: Disclosed is a light-sensitive silver halide color photographic material comprising at least one light-sensitive layer, which is constituted of a plurality of silver halide emulsion layers having substantially the same color sensitiveness but being different in sensitivities and contains a dye image-forming coupler, provided by coating on a support, said material being constituted so as to satisfy at the same time the requirements that (a) said plurality of silver halide emulsion layers in said light-sensitive layer are provided by coating in the order from the support side a low sensitivity emulsion layer, medium sensitivity emulsion layer and high sensitivity emulsion layer, (b) a non-sensitive intermediate layer is provided by coating between said low sensitivity emulsion layer and said medium sensitivity emulsion layer, (c) the density of a dye image-forming coupler in said medium sensitivity emulsion layer is 10 to 60% of the density of a dye image forming coupler in said low sensitivity emulsion layer;

Abstract: Photographic elements and diffusion transfer assemblages are described wherein a sufficient amount of a reflecting agent, such as titanium dioxide, is employed in the yellow dye image-providing material layer so that the layer is an effective yellow filter layer for good color reproduction.

Abstract: A process for forming color images, and a silver halide color photographic material for use in the process, are described, said process comprising processing with a developer containing hydroxylamine a silver halide color photographic material comprising a support having thereon 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, said blue-sensitive silver halide emulsion layer being disposed at a more upper portion than other color-sensitive silver halide emulsion layers, and said color photographic material further comprising (1) a light-insensitive layer containing at least one of a yellow colored magenta-dye-forming coupler and a yellow non-diffusible organic dye between the lowermost blue-sensitive silver halide emulsion layer and the uppermost layer of the other color-sensitive silver halide emulsion layers, and (2) a light-insensitive silver halide emulsion in any layer above sa

Abstract: A color photographic light-sensitive material comprising, on a reflective support, at least one light-sensitive silver halide emulsion layer containing a dye-forming coupler and a non-light-sensitive layer provided on the light-sensitive silver halide emulsion layer, located furthest from the reflective support, the non-light-sensitive layer containing:(a) a benzotriazole derivative represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 independently represent an alkyl, an alkoxy, an alkenyl, each alkyl, alkoxy, or alkenyl having not less than 4 carbon atoms, an aryl, or an aryloxy, said aryl and aryloxy each being substituted or unsubstituted and wherein R.sub.3 represents hydrogen, a halogen, an alkyl, an alkoxy, an alkenyl, each alkyl, alkoxy, or alkenyl having not less than 4 carbon atoms, an aryl, or an aryloxy; and(b) at least one compound having selected from the formulae (II) or (III): ##STR2## wherein R.sub.4 and R.sub.

Abstract: Film packages for obtaining x-ray energy-difference images simultaneously by exposing a body to a broad energy spectrum x-ray beam. One package embodiment has two radiographic films joined at at least two edges to form a pocket in which a light-opaque sheet is inserted during the x-ray exposure. The package is disposed between front and rear x-ray intensifying screens during the exposure. The front screen on which the broad energy image is incident is excited to luminescence predominantly by x-ray photons in one energy band and the rear screen by photons in another band to thereby produce the difference images. The opaque sheet may contain x-ray filter material. A reflective sheet is substituted in the pocket for said opaque sheet during readout of the intensities of corresponding picture elements. Another film package embodiment is laminated and unitary and has a double-sided reflective sheet in the middle, a light-opaque coating on each reflective surface and a photosensitive emulsion on each coating.

Abstract: A spectrally sensitized silver halide photographic element capable of producing a stable, viewable silver image on development and fixing out is disclosed. The latent image forming silver halide grains in the image recording emulsion layer or layers of the photographic element are silver bromide, chloride, or chlorobromide grains. At least one of the image recording emulsion layers contains spectrally sensitized tabular grains. Located in proximity to the spectrally sensitized tabular grains are relatively fine high iodide silver halide grains capable of being dissolved during fixing out.

Abstract: X-ray energy-difference images are obtained simultaneously by exposing a body to a broad energy spectrum X-ray beam while a radiographic film package is disposed between front and rear X-ray intensifying screens. The film package has two superimposed films with a light-opaque sheet between them. The front screen, on which the polyenergetic image beam emerging from the body is incident, is excited to luminescence by X-ray photons predominantly in one energy band and the rear screen is excited predominantly by photons in another band. The light opaque sheet preferably contains X-ray filter material for additional filtering of photons to increase the fraction of photons at said other band to which the rear screen is sensitive. A shadowgraph of a marker is formed on the film emulsions during X-ray exposure to aid in matching congruent picture elements on each film when the developed films are being read out to obtain signals corresponding to their intensities.

Abstract: A silver halide color photographic material in which the photographic characteristics do not deteriorate when contacted with formaldehyde.

Abstract: There is disclosed a photosensitive silver halide color photographic material comprising a support having on one side thereof, an antihalation layer, a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a blue-sensitive silver halide emulsion layer wherein each of said silver halide emulsion layers contains a non-diffusable coupler. The other surface of the support has thereon a dye-containing backing layer. The antihalation layer contains no more than 0.2 g/m.sup.2 of silver and the total amount of silver contained in the silver halide emulsion layers is at least 7.0 g/m.sup.2.

Abstract: Photographic elements intended to generate dye images containing at least one colloidal silver layer and at least one hydroquinone antistain agent have been observed to suffer from random fog spotting, which can be reduced by incorporating a catalyst for the decomposition of hydrogen peroxide. The imagewise exposed elements when photographically processed and bleached of silver produce viewable dye images.

Abstract: Infrared color film is constructed with a particular arrangement of dye sensitized layers so that the film may respond to the entire visible spectrum, including the blue visible band, as well as the infrared band by choosing the appropriate camera lens filter.

Abstract: A color photographic material comprising on a support a first silver halide emulsion layer containing a yellow coupler, a second silver halide emulsion layer containing a magenta coupler, a third silver halide emulsion layer containing a cyan coupler, said third emulsion layer being positioned farthest from the support, a first non-light-sensitive layer formed on one side of said third emulsion layer opposite to the support, and a second non-light-sensitive layer formed on the other side of said third emulsion layer, at least said first non-light sensitive layer containing a UV absorber.

Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion and at least one light-insensitive layer is disclosed. One or more of the layers of the material contains an ultraviolet ray absorbing polymer latex which comprises a homopolymer or copolymer having a repeating unit derived from a monomer represented by the general formula (II) in which one or more ultraviolet ray absorbing compounds represented by the general formula (I) is loaded: ##STR1## the substituents within the general formula are defined within the specification. The material has excellent absorption characteristics in the 300 to 400 nm range and does not cause static marks caused by ultraviolet rays or undergo deterioration of color reproduction. In addition, the material has good film strength and reduced layer thickness and provides a color image having improved sharpness which is free from fading or discoloration due to light.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material contains at least one member of the compounds represented by the general formula: ##STR1## (wherein the symbols are the same as described in the appended claims). In this silver halide photographic light-sensitive material, variations in photographic performance are prevented during the storage thereof and, further, the occurrence of fog is prevented without causing a reduction in sensitivity.

Abstract: A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support having thereon a light-sensitive silver halide layer and a light-insensitive layer. The material may also contain other layers and one or more layers contains an ultraviolet ray absorbing polymer latex. The polymer latex is comprised of a homopolymer or a copolymer having a repeating unit derived from a monomer represented by the following general formula (I): ##STR1## within the general formula (I) the Q represents an ultraviolet ray absorbing group represented by the general formula (II): ##STR2## the substituents within the general formulae (I) and (II) are defined in a specification. The photographic light-sensitive material has excellent absorbing characteristic in the 300 to 400 nm range and does not cause static marks caused by ultraviolet layer. Furthermore, the material does not undergo discoloration.

Abstract: Polymeric mordants which are capable of converting to non-mordanting species in an alkaline environment are described. The mordants can be used in photographic elements to temporarily mordant a photographically useful dye material, such as a light-filter or anti-halation dye or a diffusion transfer image dye-providing material, and then release the dye material during processing of the element with an alkaline processing composition.

Abstract: Light sensitive layers in photographic elements are protected against exposure to radiation in the blue region of the visible spectrum by a yellow filter dye having the structure: ##STR1## where: R.sup.1 is alkyl of 1 to 3 carbon atoms;R.sup.2 is hydrogen or alkyl of 1 to 3 carbon atoms;R.sup.3 and R.sup.4 are each individually alkyl of 1 to 3 carbon atoms, at least one of which is terminated with ##STR2## and R.sup.5 is alkyl of 1 to 3 carbon atoms or fluoroalkyl of 1 to 3 carbon atoms.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R.sup.1 is the same and is selected from ##STR2## R.sup.2 is alkyl, R.sup.3 is an electron-withdrawing group positioned ortho, meta or para to said N atom, R.sup.4 is hydrogen, alkyl or an electron-withdrawing group positioned ortho, meta or para to said N atom; R.sup.5 is alkyl; X is hydrogen, an electron-withdrawing group or an electron-donating group; and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds, e.g., as photographic light-screening dyes.

Abstract: A multilayer color reversal light-sensitive material is described, which can provide dye images having improved sharpness and graininess without a drop in color reproducibility, by employing a specific arrangement and construction of emulsion layers in its multi-layer structure, viz., a material comprising a support, a yellow filter layer, a group of green-sensitive emulsion layers, and a group of red-sensitive emulsion layers, wherein said emulsion layer groups are positioned nearer to the support than the yellow filter layer, each of the emulsion layer groups comprises at least two adjacent layers including a high-sensitivity silver halide emulsion layer containing silver halide grains having an average size of from 0.6.mu. to 2.0.mu. and a low-sensitivity silver halide emulsion layer containing silver halide grains having an average grain size of from 0.1.mu. to 0.5.mu.

Abstract: New merocyanines which have at least one water-solubilizing group are useful in photographic materials in antihalation and filter layers.

Abstract: The sensitometric properties of multicolor diffusion transfer film units may be modified after the photosensitive element has been coated. Sensitometric modification is effected by a photoexposure through a layer of a color correction dye(s). In a preferred embodiment, the color correction dye(s) is bleachable and is contained in a layer over the image-receiving layer.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein each R.sup.1 the same or different is hydrogen or alkyl, each R.sup.2 the same or different is alkyl or phenyl, R.sup.3 is phenyl or alkyl, Y is an electron-withdrawing group and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

Abstract: A silver halide color photographic light-sensitive material which contains at least one compound represented by the following general formula (I): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents a hydrogen atom or an aliphatic group; R.sup.5 represents an aliphatic group or an aromatic group, R.sup.6 and R.sup.7, which may be the same or different, each represents a cyano group, a --COR.sup.8 group, a --COOR.sup.8 group or a --SO.sub.2 R.sup.9 group; and R.sup.8 represents an aliphatic group and R.sup.9 represents an aliphatic group or an aromatic group. The silver halide color photographic light-sensitive material has improved color reproduction which is not affected by differences in the ultraviolet light absorption characteristics of the camera lens.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds selected from those of the formulae ##STR1## wherein each R.sup.1 the same or different is alkyl, each R.sup.2 the same or different is an electron-withdrawing group having a positive sigma value greater than 0.6, X is ##STR2## wherein R.sup.3 is alkyl, Y is an electron-withdrawing group, n is 0 or 1 and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds, e.g., as photographic light-screening dyes.

Abstract: A photosensitive recording material containing at least one silver halide layer and an azo dye is disclosed.

Abstract: A high sensitivity color photographic recording medium has at least two red sensitive component silver halide emulsion layer and at least three green sensitive component silver halide emulsion layers, the sensitivity of layers of the same spectral sensitivity increasing in the direction from the layer support upwards and the more sensitive red-sensitive silver halide emulsion being located between two of the green-sensitive silver halide emulsion layers.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein X is ##STR2## wherein R' is alkyl, Y is an electron-withdrawing group and n is 0 or 1. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

Abstract: In one embodiment, the present invention is concerned with novel xanthene compounds of the formula ##STR1## wherein R' is alkyl; Y is an electron-withdrawing group and A is an anion. In another embodiment, the present invention is concerned with photographic products and processes employing these xanthene compounds.

Abstract: This invention is directed to photographic elements having hydrophilic colloid layers containing loaded particles of from 0.02 to 0.2 micron in average diameter consisting essentially of a loadable polymer, with greater than 2 percent by weight of the polymer being derived from monomers capable of forming water soluble homopolymers. A hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound is loaded into and distributed through the particles. The weight ratio of the hydrophobic photographic dye, coupler, developing agent or ultraviolet absorbing compound to the loadable polymer is from about 1:4 to 3:1.

Abstract: A silver halide color photographic light-sensitive element comprising a support having thereon at least one interlayer which comprises a solution prepared by dissolving at least one hydrophobic compound, which acts as an ultraviolet ray-absorbing agent, represented by the following general formula (I) in an alkyl phosphoric acid ester represented by the following general formula (III) dispersed in a gelatin-containing hydrophilic colloid which does not contain any dye image-forming agents, in which element color stain resulting from exposure to light is effectively suppressed: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.

Abstract: A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion layer with the silver halide photographic material containing, as an ultraviolet light absorbing agent, at least one compound having the general formula (I) ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms, provided that the both of R.sub.1 and R.sub.2 do not simultaneously represent hydrogen atoms, and further, R.sub.1 and R.sub.2 can combine and form a cyclic amino group; R.sub.3 represents a carboxyl group, --COOR.sub.5, --COR.sub.5 or --SO.sub.2 R.sub.5, and R.sub.4 represents a carboxyl group, --COOR.sub.6, or --COR.sub.6 wherein R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms and further, R.sub.5 and R.sub.

Abstract: In a color photographic material comprising a plurality of light-sensitive and non light-sensitive layers including at least two red sensitive coupler-containing silver halide emulsion layers of different speed, at least two green sensitive coupler-containing silver halide emulsion layers of different speed and a blue sensitive coupler-containing silver halide emulsion layer as well as a yellow filter layer located closer to the support than the blue sensitive silver halide emulsion layer but further removed from the support than any of the red sensitive or green sensitive layers, the sensitivity of the cyan partial image is significantly improved if the more sensitive red sensitive together with the more sensitive green sensitive silver halide emulsion layer forms a comparatively more sensitive emulsion layer unit which is located further removed from the support than a corresponding comparatively less sensitive emulsion layer unit formed by the less sensitive green sensitive and the less sensitive red sensi

Abstract: Improved sensitivity and improved interimage effects are obtained in a multilayer color-photographic recording material having two red-sensitive, two green-sensitive and a blue-sensitive silver halide emulsion layer as well as a yellow filter layer, the more sensitive red-sensitive and the more sensitive green-sensitive layers forming a comparatively more sensitive layer unit arranged further away from the support than each of the less sensitive green-sensitive and the less sensitive red-sensitive layer but nearer to the support than the yellow filter layer underneath the blue-sensitive layer; an additional chloride-containing silver halide emulsion layer of comparatively low sensitivity containing a non-diffusible DIR compound of low reactivity is arranged within the comparatively more sensitive layer unit between the red-sensitive and the green-sensitive layers.