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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-%,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6383405 |
Solid electrolyte particles comprising MAg4I5
This invention comprises a process for generating particles of MAg 4 I 5 , wherein M is a monovalent cation, which comprises dissolving AgI and MI in a polar solvent followed by precipitating...
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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...
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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...
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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 any...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 sensitivities,...
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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...
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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...
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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 silver...
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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/dm 2 , which comprises a...
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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...
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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...
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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...
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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...
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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...
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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 average...
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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 grains...
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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 μm 3 to...
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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 MA 4 g 5 having an ionic conductivity of >0.001 ohm -1 cm -1 in an organic...
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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,...
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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]M wherein the complex...
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6291153 |
Low silver halide radiographic film for dental care
A direct radiographic film is usefull for dental care. The film contains lower than normal amounts of silver 30-45 mg/dm 2 ) and gelatino-vehicle 15-30 mg/dm 2 ) in each silver halide emulsion unit...
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6291154 |
Green sensitized tabular grain photographic emulsions
A silver halide photographic element, and a method of making such an element, comprising a tabular grain silver halide emulsion containing at least one green spectral sensitizing dye of formula I,...
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6284449 |
Silver halide emulsion and silver halide light sensitive photographic material
A silver halide emulsion comprising silver halide grains is disclosed, in which at least 50% of total grain projected area is accounted for by silver halide regular crystal grains exhibiting a...
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6280916 |
Silver halide reflection support 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...
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6280915 |
Spectrally sensitized tabular grain photographic materials
A silver halide coated photographic material is disclosed comprising sensitized silver bromide or silver bromoiodide tabular grains having an average thickness of less than 0.30 μm, in at least...
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6277552 |
Shallow electron trap dopants in silver halide tabular grain emulsions for use in medical diagnostic imaging materials
A light-sensitive silver halide photographic emulsion has been disclosed, said emulsion comprising a binder and core-shell tabular grains, wherein said core is more rich in silver bromide than said...
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6277550 |
Silver halide emulsion having improved sensitometric characteristics
A photosensitive silver halide emulsion has been disclosed, containing tabular silver halide grains present in a numerical amount of at least 50%, said tabular grains having an average aspect ratio...
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6277551 |
Emulsion, material and screen/film system for radiological image formation
In a screen/film system offering a suitable method for radiological image formation the film material comprises a {111} tabular silver chlor(oiod)ide emulsion comprising a binder and silver...
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6268116 |
Scavenger free 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...
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