Abstract: A photographic element is disclosed comprising a silver halide emulsion layer including a spectrally sensitized tabular grain emulsion and having associated therewith a compound of the following Formula I: wherein n=0-6 and each R is independently hydrogen, an aromatic, cyclic, linear or branched chain hydrocarbon group, NR′R″, or OR′; where R′ is an aromatic, cyclic, linear or branched chain hydrocarbon group and R″ is hydrogen or an aromatic, cyclic, linear or branched chain hydrocarbon group. The use of dipiperidinediamide, dipiperidinedicarbamate or dipiperidinediurea compounds of Formula I in photographic elements comprising spectrally sensitized tabular grain silver halide emulsions exhibit reduced sensitizing dye stain after photographic processing.

Abstract: A silver halide color photographic material includes at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer and at least one red-sensitive emulsion layer, on a support. The photographic material further includes at least one short-wavelength blue-sensitive emulsion layer that has a weight-averaged wavelength (&lgr; v) of spectral sensitivity distribution of 400 nm≦&lgr; v≦460 nm and that is substantially free a yellow coupler.

Abstract: Aqueous-based thermally sensitive emulsions and imaging materials include two or more hindered phenol silver ion reducing agents in a non-crystalline reducing agent composition. Such compositions can be provided as evaporated dispersions and can be formulated in aqueous coating compositions to provide thermally developable materials such as thermographic and photothermographic materials.

Abstract: A silver halide photographic lightsensitive material comprising a support having thereon at least one lightsensitive silver halide emulsion layer, wherein the lightsensitive material contains at least one compound represented by general formula (I) and at least one photographically useful group-releasing compound represented by general formula (II) or (III) that is capable of forming a compound having substantially no contribution to a dye after its coupling with an oxidized form of a developing agent:

Abstract: A silver halide color photographic material comprises at least one blue-sensitive emulsion layer (BL layer), at least one green-sensitive emulsion layer (GL layer) and at least one red-sensitive emulsion layer (RL layer) on a support. A maximum absorption wavelength of the green-sensitive emulsion layer represented by &lgr;max(G) is in the range of 500 nm≦&lgr;max(G)≦570 nm.

Abstract: A lightsensitive silver halide photographic emulsion comprises silver halide grains, a sensitizing dye having a given maximum absorption wavelength and an organic compound exhibiting no absorption in a visible light region. The addition amount of the organic compound is in the range of 1 to 50 mol % based on the sensitizing dye, and a maximum absorption wavelength of the photographic emulsion exhibited by the sensitizing dye in the presence of the organic compound is at least 2 nm shorter than the maximum absorption wavelength exhibited by the sensitizing dye in the absence of the organic compound.

Abstract: A silver halide color reversal photographic material comprising a layer capable of imparting interimage effects, this interimage effects imparting layer comprising a lightsensitive silver halide emulsion comprising silver halide grains satisfying the following conditions (i) to (iii). (i) The silver halide grains have an average silver iodide content of more than 6 to 39 mol %. (ii) Grains occupying 60% or more of a projected area of all the silver halide grains are those of triple or greater multiplicity structure having at least one layer of high silver iodide content, the silver iodide content being 8 mol % or more, which layer of high silver iodide content is one formed using silver in an amount of 15 to 80 mol % based on that used in obtaining final grains. (iii) All the silver halide grains have surfaces having an average silver iodide content of 10 mol % or less.

Abstract: A silver halide photographic emulsion is disclosed, comprising silver halide grains wherein at least 80% of a total grain projected area is accounted for by tabular grains, the tabular grains having an average aspect ratio of at least 12, a variation coefficient of grain diameter of less than 30%, an average overall surface iodide content of 5 to 15 mol % and an average surface iodide content in the vicinity of corners of the grains of less than 3 mol %; and the tabular grains further having a shallow electron trap center in the peripheral region of the grain.

Abstract: There is disclosed a process for making a lithographic printing plate, which comprises subjecting a lithographic printing material having at least a silver halide emulsion layer and a physical development nuclei layer on a support and having a sensitivity at a wavelength of 400 nm to 440 nm of 20 &mgr;J/cm2 or less, and having substantially no sensitivity at a wavelength of 450 nm or longer to scanning exposure by a scanning type exposure device on which a violet laser diode is mounted, and then subjecting to developing treatment.

Abstract: This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Abstract: A silver halide photographic emulsion which contains silver halide grains having a spectral absorption maximum wavelength of less than 500 nm and a light absorption strength of 60 or more, or a spectral absorption maximum wavelength of 500 nm or more and a light absorption strength of 100 or more, wherein at least one of the sensitizing dyes which are used for spectrally sensitizing the emulsion does not have an electric charge in the molecule at all, or forms an inner salt and the molecule does not have an electric charge as a whole and has at least one aromatic ring in the molecule.

Abstract: A silver halide photographic emulsion wherein a variation coefficient of an equivalent-circle diameter of all the silver halide grains is 40% or less, and 50% or more of the total projected area is occupied by tabular grains satisfying requirements (i) to (v):

Abstract: A black-and-white silver halide photographic material has been disclosed, coated on a support with at least one light-sensitive emulsion layer, comprising a spectrally sensitized prefogged direct-positive silver halide emulsion, providing peak absorption in the wavelength range from 600 nm up to 700 nm, wherein said emulsion comprises a binder and core-shell emulsion crystals having silver bromide in a total amount of at least 80 mole %, characterized in that said emulsion is spectrally sensitized with a combination of a desensitizing dye having an absorption maximum wavelength in a range from 600 nm up to 700 nm, if present as a sole dye in said emulsion, and at least one azacyanine dye having an absorption maximum at a more hypsochromic wavelength.

Abstract: This invention provides a photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula (a): &Dgr;−(t)m−XY′  (a) XY′−(t)m−&Dgr;  (b) &Dgr;−(t)m−XY′−(t)m−&Dgr;  (c) wherein &Dgr; is protective group that is eliminated during development of the photographic element, t is a timing group, m is an integer from 0 to 3, and XY′ is a fragmentable electron donor moiety in which X is an electron donor group and Y′ is a leaving proton H or a leaving group Y, with the proviso that if Y′ is a proton, a base, &bgr;−, is present in the emulsion or is covalently linked directly or indirectly to X, and wherein: 1) X—Y′ has an oxidation potential between 0 and about 1.

Abstract: The invention is directed to a color photothermographic film in which particles comprising an organic silver salt is treated with a passivating agent. In particular, the present invention involves passivating the organic silver salts with an organic adsorbate that blocks the surface of the organic silver salt or ligand, resulting in a reduction of speed loss. The invention is also directed to a method of making a photothermographic element to improve raw stock keeping.

Abstract: A photographic material comprising a support and at least one at least one layer which comprises at least one spectrally sensitized silver halide emulsion, characterized in that the material contains at least one compound of formula wherein X denotes sulphur or selenium, R1 denotes aryl or heterocyclyl, R2 denotes alkyl, alkenyl, alkynyl, aralkyl or hetarylalkyl, R3 denotes alkyl, alkenyl, aryl, aralkyl, hetaryl or hetarylalkyl, and R4 denotes H, alkyl, alkenyl, aryl, aralkyl, hetaryl or hetaralkyl, or R3, together with R4, denotes the remaining atoms of a carbocyclic or heterocyclic ring, is distinguished by increased spectral sensitivity, a high sensitivity/fogging ratio and a good shelf life under humid conditions.

Abstract: A spectrally sensitized photographic silver halide emulsion, characterized in that after precipitation at least one compound of formula is added to the emulsion, wherein R1 denotes alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R2 denotes H, alkyl, aryl, heterocyclyl, amino or alkoxy; R3 denotes H, alkyl, aryl, aralkyl or heterocyclyl; D denotes —OH or —NR4R5; X denotes O or N—R6; R4 denotes H, alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R5: denotes H, alkyl, aryl, aralkyl, alkenyl or heterocyclyl; R6: denotes H, alkyl, aryl, aralkyl, alkenyl, acyl, alkoxycarbonyl, carbamoyl or heterocyclyl, the aforementioned alkyl, aryl, aralkyl, alkenyl, heterocyclyl, amino, alkoxy, acyl, alkoxycarbonyl and carbamoyl groups can be substituted, and any two of the radicals R1 to R6 can together form a heterocyclic ring, such as a pyrrolidine, piperidine, perhydroazepine, piperazine, morpholine or thiomorpholine ring, for example; as well as a photographic material comprising a

Abstract: A photographic material comprising a support and at least one layer which comprises at least one spectrally sensitised silver halide emulsion, characterised in that the material contains at least one compound of formula and/or wherein R1 denotes H, alkyl, aryl, aralkyl, alkenyl, heterocyclyl, R2 denotes OH, NH2, NHR7, NR8R9 or R1 together with R2, denotes the atoms necessary for the completion of a heteroaliphatic ring, R3 denotes OH, NH2, NHR7, NR8R9, R4 denotes H, alkyl, aryl, aralkyl, alkenyl, heterocyclyl, R5, R6 independently of each other, denote OH, NH2, NHR10, NR11R12, or R4 together with R5, or R4 together with R6, denote the atoms necessary for the completion of a heteroaliphatic ring, and the R5 or R6 radical, which is not part of a ring, denotes OH, NH2, NHR10 or NR11R12, R7, R10 denote alkyl, aryl, aralkyl, heterocyclyl, R8, R9 independently of each other, denote alkyl, aryl, aralkyl, heterocyclyl, or R8 together with R9, denotes the atoms necessary f

Abstract: A red or infrared sensitive silver halide emulsion is disclosed, comprising at least a compound represented by the following formula. A photographic material containing the emulsion is also disclosed.

Abstract: This invention relates to a photographic element comprising a support having thereon light sensitive silver halide layers comprising at least one red light sensitive silver halide layer, at least one green light sensitive silver halide layer, and at least one blue sensitive silver halide layer, wherein the green light sensitive silver halide layer has an absorption spectra having a maximum absorption at a wavelength &lgr;max from 530 to 560 nm and a half bandwidth less than 50 nm; and the red light sensitive silver halide layer has an adsorption spectra having a maximum absorption at a wavelength &lgr;max from 610 to 640 nm, and exhibiting from 30 nm hypsochromic of the wavelength of maximum absorption and below an area less than 40% based on the total area of the red light sensitive silver halide layer adsorption spectra. It further relates to a method of processing said element using an electronic filmwriter device.

Abstract: A silver halide color photographic light sensitive material is disclosed, comprising a support having on one side of the support at least two red-sensitive layers, at least two green-sensitive layers, at least two blue-sensitive layer and a light-insensitive layer, wherein at least one of the green-sensitive layers contains a green-sensitive silver halide emulsion exhibiting a sensitivity maximum at a wavelength of 525 to 540 nm and a sensitivity maximum at a wavelength of 550 to 565 nm.

Abstract: Photothermographic imaging materials having increased photospeed are provided by certain tellurium chemical sensitizers that are added during the formulation of a photothermographic emulsion.

Abstract: Compounds represented by formula (I) and silver halide photographic materials comprising these compounds: wherein Q1 represents a methine or polymethine group necessary for completing the compound as a methine dye; Z1 represents atoms necessary to complete a 5- or 6-membered nitrogen-containing heterocyclic ring, provided that Z1 may be condensed with a ring; L1 and L2 each represent a methine group; p1 represents 0 or 1; L represents a divalent linking group and Ar represents an aromatic group, provided that L or Ar contains at least one proton dissociative group as a substituent group or a part of the linkage or aromatic group and the proton dissociative group has a pKa value of from 3 to 12; M1 represents a counter ion for charge balance; and m1 represents a number of counter ions required for neutralizing charges on the molecule, and ranges from 0 to 10.

Abstract: A silver halide color photographic lightsensitive material comprising 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 on a support, wherein the lightsensitive material has an ISO speed of 640 or more, and has a variation, in terms of a SNGR ratio, of magenta and cyan colors of 0 dB or more when the lightsensitive material is subjected to each of white light exposure, white fluorescent lamp exposure and three band fluorescent lamp exposure.

Abstract: A silver halide photographic light-sensitive material is described, comprising at least one compound represented by the following formula (I): wherein Z1 and Z2 each represents oxygen atom, sulfur atom, selenium atom, tellurium atom or a >NR group, R represents an alkyl group, an aryl group or a heterocyclic group, L1, L2 and L3 each represents a methine group, n1 represents 0 1, 2 or 3, V1, V2, V3, V4, W1, W2, W3 and W4 each represents hydrogen atom or a substituent, provided that two substituents may be combined with each other to form a condensed ring on the condition that assuming the sum total of &pgr; values of the substituents V1 to V4 is &pgr;v and the sum total of &pgr; values of the substituents W1 to W4 is &pgr;w, either one of &pgr;v and &pgr;w is 0.

Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application, wherein B is a six-membered heteroaromatic ring. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Abstract: X-radiation sensitive photothermographic imaging materials contain X-radiation sensitive phosphors in association with photosensitive silver halide. These phosphors provide an increase in imaging sensitivity and improved image contrast. Both intensifying and storage phosphors can be used.

Abstract: A method for reducing dye stain of an exposed photographic element, said element comprising a support having thereon at least one image-forming layer containing a photobleachable dye, the method comprising processing the element, and exposing the processed element, in presence of a N-oxyazinium, to radiation that can be absorbed either by the photobleachable dye or by the N-oxyazinium.

Abstract: A photothermographic element has on a support a photosensitive layer containing an emulsion of silver halide fine grains having a mean equivalent spherical diameter of 10-50 nm. (1) The silver halide emulsion has been formed independent of an organic fatty acid silver salt rather than by partial halogen conversion of a non-photosensitive organic silver salt, and mixed with the organic silver salt before coating. (2) A reducing agent for silver ion is contained. (3) The silver halide fine grains have been chemically sensitized in the presence of a spectral sensitizing dye. The element is improved in sensitivity and restrained from fog increase during storage in daylight after processing.

Abstract: A non-photosensitive core-shell silver salt can be used in thermographic and photothermographic imaging compositions and materials. This core-shell silver salt includes one or more silver salts in the core, at least one of which is different from the one or more silver salts used in the shell. The molar ratio of the different silver salts in the core and shell is from about 0.01:1 to about 100:1.

Abstract: Disclosed is a compound represented by the following formula (I): 1

Abstract: A film material has been provided with emulsions comprising {111} tabular silver halide grains rich in silver bromide, spectrally sensitive to irradiation in the wavelength range shorter than 420 nm by the presence of at least one blue spectral sensitizer and of at least one azacyanine dye, the formula of which has been given in the description and in the claims. A radiographic screen/film combination or system has also been provided comprising a duplitized film sandwiched between a pair of supporting or self-supporting X-ray intensifying screens, characterized in that i) said pair of supported or self-supporting X-ray intensifying screens essentially consists of luminescent phosphor particles emitting at least 50% and more preferably at least 80% of their emitted radiation in the wavelength range shorter than 420 nm, ii) said film corresponds with the film material disclosed hereinbefore.

Abstract: A silver halide color photosensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a support, wherein the red-sensitive emulsion layer has the maximum value of sensitivity in a wavelength region of 580 nm to 650 nm, and the green-sensitive emulsion layer contains at least one magenta coupler represented by formula (MC-1) below: wherein the substituent are defined herein the specification.

Abstract: Disclosed is a compound represented by the following formula (I): wherein Z1 represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring; Z2 represents an atomic group necessary to form a 5- or 6-membered heterocyclic ring, Z2 may further be substituted, or may be condensed with a hetero ring or a benzene ring; R1 represents a hydrogen atom, a halogen atom, a mercapto group, an alkyl group, an alkenyl group, an aryl group, an alkylthio group, an alkenylthio group, or an arylthio group; L1 and L2 each represents a methine group; p1 represents 0 or 1; V1 represents a substituent; and n represents 0, 1 or 2, and when n represents 2, a plurality of V1 may be the same or different.

Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.

Abstract: This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein the substituents are as defined in the specification.

Abstract: A photothermographic material is disclose, comprising a light-sensitive silver halide, an organic silver salt, a reducing agent, a thiuronium salt and a binder, wherein the photothermographic material further contains at least one of compounds represented by formulas such as 1

Abstract: A photosensitive element comprising a silver halide emulsion having silver halide grains containing an organic hole-trapping dopant.

Abstract: A method of preparing a silver halide emulsion is disclosed, comprising the steps of forming a silver halide emulsion, subjecting the silver halide emulsion to chemical sensitization, and adding a sensitizing dye the silver halide emulsion, wherein the sensitizing dye exhibits an absorption maximum at a wavelength of not less than 730 nm, the pAg of the emulsion being adjusted to a range of from 7.50 to 8.25 after strating the chemical sensitization and before adding the sensitizing dye.

Abstract: A photographic element comprises: a support and, coated on the support, a plurality of hydrophilic colloid layers, including radiation-sensitive silver halide emulsion layers, forming layer units for separately recording blue, green and red exposures, wherein, the red recording layer unit is comprised of at least one green-red sensitive emulsion having a peak dyed absorptance of between about 525 and about 600 nm, an overall half-peak absorptance bandwidth of between about 70 and about 150 nm, and a ratio of the bandwidths at 80% of peak absorptance to 50% of peak absorptance of greater than or equal to about 0.25. In preferred embodiments of the invention, the photographic element is especially suited for more accurately recording scenes according to the human visual system.

Abstract: A photographic element comprises a support bearing a cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of said emulsion layers comprises a) an emulsion with 3D, core/shell grains of at least 0.

Abstract: This invention concerns tabular photographic emulsions and their preparation. According to the invention, high bromide tabular emulsion is precipitated and then a non-sensitized fine grain emulsion comprising grains exhibiting {100} crystal faces is added, before sensitization. The resulting emulsion exhibits improved speed/fog performance.

Abstract: A multicolor photographic element comprising a support bearing a cyan dye image-forming unit comprising at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of said emulsion layers comprises tabular grains having {111} major faces containing greater than 50 mole percent bromide, and accounting for greater than 50 percent total grain projected area precipitated in a peptizer that is a water dispersible cationic starch, and contains a fragmentable electron donating sensitizer.

Abstract: A silver halide light sensitive color photographic material is disclosed, comprising a support and at least a light sensitive silver halide emulsion layer which comprises a silver halide emulsion and a coupler, the photographic material further comprising a luminance component information recording layer.

Abstract: A photographic recording element is disclosed containing in at least one dye image forming layer unit (a) a radiation-sensitive silver halide grains include tabular grains (1) having {111} major faces, (2) containing greater than 50 mole percent bromide, based on silver, and (3) accounting for greater than 50 percent total grain projected area, (b) a fragmentable electron donating sensitizer, (c) a water dispersible cationic starch peptizer, and (d) a one equivalent dye image providing coupler. Increased photographic speed is realized.

Abstract: A processing method of a silver halide photographic material in an automatic processor is disclosed, comprising the steps of developing, followed by fixing, washing and drying, in which the silver halide photographic material exhibits an absorption maximum at a wavelength of 600 to 800 nm; the automatic processor comprises at least a roller provided after completing the step of washing, the roller is brought into contact with the silver halide photographic material, and the surface of the roller is covered with a material exhibiting a contact angle with water(&thgr;) within a range of 0°<&thgr;<60°.

Abstract: There is disclosed a light-sensitive silver halide photographic emulsion, which comprises light-sensitive silver halide grains mainly composed of (100) planes and (111) planes, at least one compound that is adsorbed selectively on the (100) planes of the silver halide grains, and at least one spectrally sensitizing dye. There is also disclosed a light-sensitive material using the emulsion. The emulsion is high in sensitivity and excellent in graininess.

Abstract: A color negative film is disclosed capable of producing dye images suitable for digital scanning comprised of a support and, coated on the support, a series of hydrophilic colloid layers including at least two red recording emulsion layer units capable of forming a dye image of a first hue, at least two green recording emulsion layer units capable of forming a dye image of a second hue, and at least one blue recording emulsion layer unit capable of forming a dye image of a third hue, wherein, (1) the series of hydrophilic colloid layers include the following sequence, starting with the layer unit coated nearest the support: (a) a slower speed red recording layer unit, (b) a slower speed green recording layer unit, (c) a faster speed red recording layer unit, and (d) a faster speed green recording layer unit; (2) colored masking couplers are absent from the recording layer units; (3) tabular grain emulsions sensitized to the green and red are employed in the green and red recording layer units, respectively, a

Abstract: A silver halide photographic emulsion which contains silver halide grains having light absorption strength of 100 or more.

Abstract: A photographic element comprises a support bearing at least one silver halide emulsion and at least one high-boiling solvent of structure I, below: ##STR1## wherein: each m is independently 0, 1 or 2;each R.sub.1 is independently methyl or ethyl;n is 2 to 7;each R.sub.2 and each R.sub.3 may be the same or different and is individually selected from hydrogen or an alkyl group with up to five carbon atoms; andthe sum of the number of carbon atoms in each R.sub.1 plus each R.sub.2 plus each R.sub.3 taken together is four to eight.