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6509144 Fragmentable electron donor compounds combined with broad blue spectral sensitization  
This invention comprises a photographic element comprising a support and at least one blue sensitive silver halide emulsion layer containing a tabular grain silver halide emulsion, or an emulsion...
6503697 Light-sensitive silver halide photographic material for forming direct-positive images and method for making same  
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...
6500607 Silver halide photographic material  
A silver halide photographic material is disclosed, comprising a support having provided thereon at least one silver halide emulsion layer, wherein the silver halide emulsion layer contains, in...
6498003 Photographic silver halide material  
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...
6498001 Photographic silver halide emulsion  
A spectrally sensitized photographic silver halide emulsion, characterized in that after precipitation at least one compound of formula is added to the emulsion, whereinR1 denotes alkyl, aryl,...
6492101 Silver halide emulsions precipitated in the presence of ortho-substituted water-soluble disulfides  
A method of making a monodisperse regular grain silver halide high bromide emulsion is described comprising precipitating regular silver halide grains comprising greater than 50 mole percent...
6479230 Light sensitive silver halide photographic emulsion and silver halide photographic light-sensitive material containing the emulsion  
A silver halide photographic light-sensitive emulsion containing, at a ratio of 50% or more of the total projected area of silver halide grains, tabular silver halide grains each having faces as...
6472137 Light-sensitive silver halide photographic film material and radiographic intensifying screen-film combination  
A light-sensitive silver halide photographic film material has been provided, said film material comprising a transparent support and on both sides thereof at least one light-sensitive emulsion...
6461803 Silver halide color photographic lightsensitive material  
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...
6451521 Color-photography silver halide material  
A color-photography silver halide material having a base and at least one photosensitive silver halide emulsion layer which is applied thereto and whose silver halide comprises at least 95 mol-%,...
6440650 Silver halide color reversal photosensitive material and color image forming method using the same  
A silver halide color reversal photosensitive material comprising at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion...
6436625 Photosensitive silver halide element with increased photosensitivity  
A photosensitive element including a silver halide emulsion having silver halide grains containing an organic hole-trapping dopant. In a preferred embodiment the dopant is represented by formula...
6432626 Silver halide emulsion and silver halide color photographic material  
A silver halide emulsion is disclosed, comprising silver halide grains, wherein a variation coefficient of grain diameter of the whole silver halide grains is not more than 25%, wherein at least...
6432627 Photothermographic element  
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...
6413709 Silver halide photographic material  
A silver halide photographic material using a high-sensitivity sensitive silver halide photographic emulsion having high sensitivity in inherent absorption of silver halide grains thereof, having...
6403276 Radiographic UV/blue film material and intensifying screen-film combination  
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...
6403279 Diffusion transfer photographic product  
A diffusion transfer photographic product is disclosed, comprising a photosensitive element, an image receiving element and a container having a processing composition, wherein the photosensitive...
6403295 Silver halide photographic emulsion and process for preparing the same  
The present invention provides a silver halide emulsion comprising triangular tabular grains having an extremely small thickness, an extremely high aspect ratio and (111) face as a main plane. A...
6395464 Silver halide emulsion  
A silver halide emulsion is disclosed, comprising tabular grains having an aspect ratio of 5 or more, the tabular grains further having dislocation lines of 30 or more per a grain, in a fringe...
6395465 Preparation of high bromide photographic emulsions with starch peptizer  
A process for precipitating a high bromide silver halide emulsion in an aqueous medium is disclosed comprising growing nucleated silver halide grains in a reaction vessel in the presence of a...
6383711 High contrast photographic silver halide material  
A high contrast photographic material comprises a support bearing a silver halide emulsion layer, containing in the emulsion layer or in an adjacent hydrophilic layer, a hydrazide nucleating agent...
6383405 Solid electrolyte particles comprising MAg4I5  
This invention comprises a process for generating particles of MAg4I5, wherein M is a monovalent cation, which comprises dissolving AgI and MI in a polar solvent followed by precipitating...
6383730 Preparation of high chloride photographic emulsions with starch peptizer  
A process for precipitating a high chloride silver halide emulsion in an aqueous medium is disclosed comprising growing nucleated silver halide grains in a reaction vessel in the presence of a...
6376164 Silver halide color reversal lightsensitive material  
A silver halide color reversal lightsensitive material comprising a transparent support and, superimposed thereon, a blue-sensitive emulsion layer unit, a green-sensitive emulsion layer unit and a...
6372419 Silver halide photographic material  
A silver halide photographic material comprising a support having provided thereon at least a silver halide emulsion layer, wherein the material contains at least one metal complex contained in...
6372420 Method for producing silver halide photographic emulsion  
Disclosed is a method for producing a silver halide photographic emulsion comprising turning at least one of an aqueous solution of a silver salt and an aqueous solution of a halide into a linear...
6361918 High speed radiographic film and imaging assembly  
High speed and high contrast radiographic films can be imaged in radiographic imaging assemblies comprising intensifying screens. These films having a tabular silver halide emulsions on each side...
6350565 Color photographic element exhibiting increased red speed  
A color photographic element containing a support bearing: (a) a red record comprising, in order from the support, a less and a more red light sensitive silver halide emulsion layer, each having...
6350567 Precipitation of high chloride content silver halide emulsions  
A silver halide photographic element comprising a silver halide emulsion which is greater than 50 mole-% silver chloride, said emulsion containing an isothiazolone compound represented by the...
6346372 Silver halide photographic light-sensitive material  
A silver halide photographic light-sensitive material is disclosed, comprising a support having thereon at least one silver halide emulsion layer, which contains at least one compound represented...
6342338 Silver halide photographic material exhibiting increased covering power and “colder” blue-black image tone  
A black-and-white silver halide photographic film material, particularly suitable for use in radiography, has been disclosed, said material comprising a transparent film support having first and...
6342341 Fragmentable electron donor compounds used in conjunction with epitaxially sensitized silver halide emulsions  
This invention comprises a silver halide photographic element comprising at least one sensitive silver halide emulsion layer comprising silver halide grains that have been epitaxially sensitized...
6340562 Silver halide photographic emulsion and silver halide photographic light-sensitive material  
A silver halide photographic emulsion, wherein silver halide grains are prepared by adding a compound capable of forming cross-linkage with gelatin to said silver halide grains in any of processes...
6338940 Silver halide photographic light sensitive materials and image forming method by use thereof  
A silver halide photographic light sensitive material IS DISCLOSED, comprising a support having thereon a yellow dye image forming layer, a magenta dye image forming layer and a cyan dye image...
6337177 Silver halide color photographic material and image formation method using the same  
Disclosed is a silver halide color photographic material comprising a support, photosensitive silver halide emulsion layers grouped into at least three units according to their color...
6331385 Photographic material having enhanced light absorption  
This invention comprises a silver halide photographic material comprising at least one silver halide emulsion comprising tabular silver halide grains having associated therewith at least two dye...
6329131 Silver halide emulsion and silver halide photographic light-sensitive material containing the same  
In a silver halide emulsion, a sum of projected areas of tabular silver halide grains, in which an outer shell region which is 40% in volume from a grain surface contains 5 mol % to 20 mol % of...
6329132 Method of preparing silver halide photographic emulsion  
In a method of preparing a silver halide photographic emulsion by performing spectral sensitization by adding a cyanine dye during or before chemical sensitization, a substantially insoluble...
6326135 Product for industrial radiography  
This invention concerns a non-spectral sensitized radiographic product for exposure to ionizing radiation of energy equal to at least 40 keV containing at least 50 mg/dm2, which comprises a...
6322961 Color reversal photographic element containing emulsion sensitized with organomercapto AU(1) complexes and rapid sulfiding agents  
A color reversal photographic element is disclosed comprising a support having coated thereon a silver halide emulsion layer comprising a silver halide emulsion chemically sensitized in the...
6322960 Silver halide emulsion  
A silver halide emulsion is disclosed, containing silver halide grains having a chloride content of not less than 90 mol %, wherein the silver halide grains each are internally doped with compound...
6319659 Silver halide emulsion, preparation method thereof and silver halide photographic light sensitive material  
A method for preparing a silver halide emulsion comprising silver halide grains is disclosed, comprising: reacting a silver salt solution and a halide salt solution to perform silver halide grain...
6316176 Photosensitive silver halide element comprising chemically sensitized emulsion grains and method to prepare them  
A method has been described of chemically sensitizing a silver halide emulsion having silver halide grains and a binder, comprising the steps of adding thereto, besides a chemically sensitizing...
6312882 Silver halide emulsions comprising tabular crystals, emulsions and the processing thereof  
A method is disclosed for preparing a light-sensitive silver halide emulsion comprising tabular grains containing colloidal silica sol as a protective colloid, said tabular grains having an...
6312880 Color photographic silver halide print media  
The invention relates to a multilayer photographic element comprising a reflective support wherein the color record 1 adjacent to the support comprises at least one light sensitive layer and a...
6306569 Silver halide emulsion, method of manufacturing the emulsion, silver halide photosensitive material containing the emulsion, and method of developing the material  
A silver halide emulsion containing chemically sensitized silver halide grains, wherein the silver halide grains are prepared by ripening the grains by the addition of (1) fine silver halide...
6303283 Post sensitization use of iodide in silver chloride emulsion sensitization  
The invention relates to a method of forming an emulsion comprising providing a silver chloride emulsion, said emulsion comprising silver chloride grains having a grain volume of 0.001 μm3 to 2.2...
6300050 Silver iodide-containing photosensitive material and photothermographic element formed therefrom  
A photosensitive material includes silver iodide produced by decomposing a solid electrolyte of the formula MA4 g5 having an ionic conductivity of >0.001 ohm-1 cm-1 in an organic solvent, where M...
6296998 Photographic element containing bis Au(I) complexes and sulfiding agent  
The invention relates to an emulsion comprising bromide grains wherein said grains are chemically sensitized with a water soluble Au(I) complex having the formula [L--Au--L]Mwherein the complex is...
6296770 Constant concentration at the UF membrane wall UF process control and apparatus  
A method and apparatus for ultrafiltration, washing and concentration of photographic emulsion uses the Blatt Stagnant Film Theory using a gelatin-based mass transfer coefficient of the feed,...