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6682882 |
Production process of silver halide emulsion
A process for producing a photosensitive silver halide emulsion is disclosed, comprising silver halide grains and a dispersion medium, said process comprising steps of adding a water-soluble silver...
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6677111 |
Silver halide emulsion, production process thereof, and silver halide photographic light-sensitive material and photothermographic material using the same
A silver halide emulsion is described, comprising at least a dispersion medium and silver halide grains, wherein said silver halide grains have an average grain size of from 0.005 to 0.1 μm and a...
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6673530 |
Method and apparatus for production of silver halide emulsion
Variation of charged amount accompanying production amount change does not affect photograph performance, a flexible production of an optimal amount corresponding to commercial scene needs may be...
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6673529 |
Method for making tabular grain silver halide emulsion
A process of preparing a high bromide tabular grain emulsion comprising a dispersion medium and silver halide grains including tabular grains having {111} major faces and an aspect ratio of at...
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6656675 |
Method of preparing a silver halide photographic emulsion
A method for the preparation of silver haloiodide photographic emulsions, in particular the preparation of tabular grains haloiodide photographic emulsions. The method comprises the steps of adding...
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6645713 |
Method of manufacturing silver halide emulsions and apparatus thereof
A high velocity jet of aqueous silver salt solution through the first tubing and a high velocity jet of aqueous halide salt solution through the second tubing are forced to merge in the merging...
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6638702 |
Silver halide emulsion
The Silver halide grains in the silver halide emulsion is disclosed, comprising silver halide grains containing three or more kinds of transition metal complexes each having a different...
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6638704 |
Silver halide photographic emulsion and light-sensitive material containing the same
A silver halide photographic emulsion comprising silver halide grains is disclosed, which is obtained through a process including at least one step of forming grains using a dispersion medium...
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6632596 |
Silver halide emulsion
A silver halide emulsion is disclosed, comprising silver halide grains having a chloride content of not less than 90 mol % and internally doped with an iridium compound (A) and a compound (B)...
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6630292 |
Method for producing a silver halide photographic emulsion
The invention is directed to a method for producing a silver halide photographic emulsion comprising the step of reacting a water-soluble silver salt and at least one water-soluble halide salt...
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6630278 |
System for direct X-ray radiography suitable for use in industrial non-destructive testing applications and personal monitoring
A system has been disclosed for use in radiographic industrial non-destructive testing materials and personal monitoring, making use therefor, of tabular silver brom(oiod)ide emulsion grains having...
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6623918 |
Process for the preparation of high bromide tabular grain emulsions
A process for the preparation of a radiation-sensitive silver halide emulsion comprised of high bromide tabular silver halide grains is described, the process comprising: (a) providing in a stirred...
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6623916 |
Photographic silver halide emulsion
A tabular silver chloride iodide or silver chloride-bromide-iodide emulsion with a chloride content of at least 90 mol %, an iodide content of 0.01 to 5 mol % and a cubic habit, which is...
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6620577 |
High speed photothermographic materials containing selenium compounds and methods of using same
Photothermographic imaging materials having increased photospeed are provided by certain selenium chemical sensitizers that are added during the formulation of a photothermographic emulsion. These...
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6610467 |
Silver halide photographic emulsion and light-sensitive material containing the same, and image-forming method using the light-sensitive material
There is disclosed a silver halide photographic emulsion comprising silver halide grains, wherein 50% or more of the projected area of the silver halide grains to be contained is occupied by...
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6605423 |
Method for preparing a silver halide photographic emulsion
The present invention relates to a method for preparing a silver halide photographic emulsion, comprising the steps of a) providing a nucleation medium comprising an aqueous composition based on a...
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6605422 |
Process for producing a silver halide photographic emulsion
A process for producing a silver halide emulsion is disclosed, which comprises disposing a mixer equipped with a first channel and a second channel brought into partial contact therewith; and...
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6593072 |
Tabular grain silver halide emulsion with uniform epitaxial deposition
A process of sensitizing a tabular grain emulsion containing the steps of (i) providing a tabular grain host emulsion comprised of a dispersing medium and silver halide grains including tabular...
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6562559 |
High chloride emulsion doped with combination of metal complexes
A radiation-sensitive emulsion comprised of silver halide grains (a) containing greater than 50 mole percent chloride, based on silver, (b) having greater than 50 percent of their surface area...
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6562560 |
Process for treatment for high speed photographic materials
A process for the treatment of a photographic material particularly a high speed photographic material, comprising an emulsion containing silver halide grains the treatment being to reduce the...
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6558892 |
Method of preparing ultrathin light-sensitive tabular grain emulsions rich in silver bromide
A method has been described for preparing an ultrathin tabular grain emulsion rich in silver bromide, having {111} major faces, wherein tabular grains having a thickness of less than 0.08 μm...
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6558891 |
Silver halide emulsion
A silver halide emulsion is disclosed, comprising tabular silver halide grains having an average iodide content of 3 to 15 mol % and comprising silver halide phases differing in halide composition,...
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6555307 |
Silver halide photographic emulsion and silver halide photographic light-sensitive material containing the emulsion
A silver halide photographic emulsion in which tabular grains each having an equivalent-circle diameter of 0.6 μm or more, a thickness of 0.3 μm or less, and an aspect ratio of 2 or more account...
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6534256 |
Silver halide photographic lightsensitive material
A silver halide photographic lightsensitive material comprises at least one lightsensitive silver halide emulsion layer on a support. The lightsensitive material exhibits a speed at 3×10 −9 sec...
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6531272 |
Color photographic element containing a fragmentable electron donor for improved photographic response
This invention comprises 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...
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6524782 |
Method for preparing silver halide emulsion and silver halide photographic material by use of preparation
Preparation method of a silver halide emulsion is disclosed, in which the silver halide emulsion contains tabular grains having a mean equivalent circle diameter of 0.1 to 10.0 μm, a mean grain...
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6518009 |
High intensity exposure photographic imaging method employing iridium doped high chloride emulsion
A method of imaging employing sensitized high chloride silver halide emulsions which exhibit improved speed and high intensity reciprocity performance for use with short duration, high intensity...
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6518008 |
Fragmentable electron donor compounds in combination with high bromide tabular grain emulsions
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...
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6518007 |
Silver halide elements containing solubilized antifoggants and low fogging tabular silver halide grains
This invention relates to a multicolor silver halide photographic element comprising a support and at least one high bromide silver halide emulsion layer comprising low fogging tabular silver...
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6514682 |
Speed addendum for photographic emulsions
The invention relates to an emulsion comprising chemically and spectrally sensitized silver halide grains having formate on the surface of said grams.
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6514681 |
High bromide tabular grain emulsions precipitated in a novel dispersing medium
A radiation-sensitive emulsion comprised of an aqueous dispersing medium and a coprecipitated grain population including tabular grains containing greater than 50 mole percent bromide, based on...
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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...
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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...
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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 the...
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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...
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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...
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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...
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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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6413710 |
Methods for making photothermographic emulsions and imaging materials
Photothermographic emulsions and materials that are highly sensitive to imaging radiation and that provide high contrast images are provided by making the emulsions with photosensitive 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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6406821 |
Method for preparing silver halide emulsions and apparatus for implementing the method
A method and an apparatus for precisely controlling flow rate of reactant solution such as silver nitrate solution or halide salt solution which is added into a precipitation vessel. The method...
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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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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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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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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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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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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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6344311 |
Photosensitive silver halide element with increased photosensitivity
A photosensitive element comprising a silver halide emulsion having silver halide grains containing an organic hole-trapping dopant. In a preferred embodiment said dopant is represented by formula...
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