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6100019 |
Process of conducting epitaxial deposition as a continuation of emulsion precipitation
A process is disclosed of conducting in a single reaction vessel selective site high chloride epitaxy deposition as a continuation of host high bromide {1111} tabular grain emulsion precipitation....
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6096495 |
Method for preparing silver halide emulsion
A method for preparing a silver halide emulsion is disclosed, comprising introducing a silver salt solution and a halide solution through separate introduction tubes, mixing the silver salt and...
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6087085 |
Preparation method of morphologically homogeneous (111) tabular crystals rich in silver bromide
A method is disclosed for preparing an emulsion having grains rich in silver bromide in the presence of gelatin as a protective colloid in a reaction vessel wherein a yield of more than 250 g of...
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6083678 |
Method for preparing a light-sensitive emulsion having (100) tabular grains rich in silver chloride
A method has been described for preparing a light-sensitive silver halide photographic emulsion comprising performing at least three distinct precipitation steps in an aqueous medium into a...
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6080537 |
Silver halide emulsion, preparation method thereof and silver halide photographic material
A silver halide emulsion is disclosed, comprising a dispersing medium and silver halide grains having a variation coefficient of grain size distribution of not more than 20%, at least 50% of total...
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6080536 |
Method of preparing (100) tabular grains rich in silver bromide
A method has been described of preparing a photosensitive emulsion comprising tabular silver halide grains rich in silver bromide, having {100} major faces and an aspect ratio more than 1.5,...
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6074812 |
Method for desalting and dewatering of silver halide emulsions by electrodialysis
A method for desalting and dewatering a silver halide emulsion comprising removing soluble salts from the silver halide emulsion by electrodialysis, wherein the electrodialysis is carried out by...
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6074811 |
Silver halide emulsion
A silver halide emulsion is described, which comprises at least a dispersion medium and silver halide grains, wherein from 40 to 100% of the total projected area of the entire silver halide grains...
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6057089 |
Silver halide photographic light-sensitive material
A silver halide photographic light-sensitive material having at least one silver halide emulsion layer formed on a support, wherein silver halide grains in the emulsion layer are...
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6048906 |
Preparation of finely-divided, homodisperse suspensions
The preparation of finely-divided, homodisperse dispersions from a liquid medium having sparingly soluble particles contained therein, the particles being produced in a tubular reactor by the...
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6048683 |
Robust process for the preparation of high chloride emulsions
A method is disclosed of manufacturing radiation-sensitive emulsions by a pulsed flow double-jet process in which high chloride silver halide grains are grown in the presence of a thioether...
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6048682 |
Silver halide photographic material and image-forming method using same material
A silver halide photographic material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein at least 80% of the entire projected area...
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6048681 |
Silver halide photographic material
Disclosed is a silver halide photographic material having at least one silver halide emulsion layer containing a silver halide photographic emulsion, wherein the silver halide photographic emulsion...
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6043019 |
Robust method for the preparation of high bromide tabular grain emulsions
A method is disclosed of manufacturing a radiation-sensitive tabular grain emulsion comprised of (a) providing in a stirred reaction vessel a host tabular grain emulsion containing greater than 50...
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6040128 |
Processes of preparing radiation-sensitive silver halide emulsions
A process of preparing a radiation-sensitive silver halide emulsion is disclosed in which a polyalkylene oxide block copolymer surfactant is employed. Dispersion of the polyalkylene oxide block...
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6040129 |
Photographic emulsion having an improved speed, photographic element containing said emulsion, and method
A photographic emulsion comprising dispersed in a binder sensitized silver halide grains wherein the emulsion is sensitized from an organometallic compound of formula: (R) n (X) m M ...
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6040127 |
Method for producing silver halide emulsion and photographic material containing the same
A method for producing a silver halide emulsion in which grains having an aspect ratio of from 1.5 to 100 occupy from 75 to 100% of the total projected area of all grains comprising at least...
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6037112 |
Medical diagnostic film for soft tissue imaging (II)
A radiation-sensitive medical diagnostic film for soft tissue imaging, particularly mammography, is disclosed. The film allows more rapid processing than films currently available for mammographic...
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6033842 |
Preparation of silver chloride emulsions having iodide containing grains
The invention relates to a method of forming a silver halide emulsion comprising adding triiodide during grain formation or sensitization.
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6030763 |
Process for reduction-sensitizing silver halide photographic emulsion and silver halide photographic light-sensitive material using the same
A process for reduction-sensitizing a silver halide photographic emulsion is disclosed, comprising reduction-sensitizing a silver halide basis grain having a silver bromide content of 75 mol % or...
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6030762 |
Method of preparing {111} tabular silver chloro(bromo)iodide crystals
A method has been found of preparing a silver halide emulsion comprising silver chlorobromoiodide or silver chloroiodide tabular grains with at least 75 mole % of chloride and from 0.1 up to 3 mole...
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6030758 |
Silver halide light sensitive photographic material
A silver halide light sensitive photographic material is disclosed, comprising a support having thereon a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer...
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6027869 |
Photographic elements containing light scattering particles
A photographic element is disclosed having at least one emulsion layer comprised of (a) radiation-sensitive silver halide grains, (b) sensitizer for the radiation-sensitive silver halide grains,...
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6022681 |
Method for producing tabular silver halide grain emulsion
A method for producing a light-sensitive silver halide photographic emulsion is disclosed, comprising (a) a step of forming silver halide grain nuclei containing twin grain nuclei in a dispersion...
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6020118 |
Silver halide photographc material
A silver halide photographic material has at least one photosensitive silver halide emulsion layer and at least one non-photosensitive hydrophilic colloid layer on a support. The silver coverage...
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6010840 |
Method for preparing tabular grains rich in silver chloride with reduced thickness growth and improved homogeneity
A method has been described for preparing a gelatinous emulsion having grains rich in silver choride, wherein at least 70%, and more preferred 90%, of the total projected area of all grains is...
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6004740 |
Water-soluble non-interactive carboxyl polymers for desalting and concentrating silver halide photographic emulsions
A method is disclosed for washing silver halide photographic emulsions, including desalting and/or concentrating, based on depletion phase separation mechanism, wherein phase separation is effected...
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5998124 |
Production method of photographic silver halide emulsion
A method for producing a photographic silver halide emulsion containing silver halide grains having a silver chloride content of 50 mol % or more and at least 30% of the surface area of the grains...
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5994049 |
Water-soluble non-interactive polymers and surfactant micelles for desalting and concentrating silver halide photographic emulsions
A method is disclosed for washing silver halide photographic emulsions, including desalting and/or concentrating, based on depletion phase separation mechanism, wherein phase separation is effected...
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5989800 |
Process for producing tabular silver halide grains
A process for producing tabular silver halide grains in a dispersion medium solution, wherein the dispersion medium comprises a gelatin derivative containing at least two carboxyl groups (--COOH)...
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5989797 |
Light-sensitive silver halide photographic materials comprising zeolites
A light-sensitive silver halide photographic material and a method for preparing said material is provided, wherein said material comprises a support and on one or both sides thereof at least one...
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5985536 |
Photosensitive silver halide emulsion containing a metal carbonyl-complex as a dopant
A photosensitive element is disclosed comprising on at least one side of a support one or more silver halide emulsion layers and a non-light sensitive hydrophilic colloidal layer characterized in...
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5985535 |
Method for producing silver halide emulsion and silver halide photographic emulsion
A method for producing a silver halide emulsion is disclosed, which comprises: supplying a water-soluble silver salt aqueous solution and a water-soluble halide aqueous solution from...
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5985534 |
Silver halide photographic emulsion and photographic material using the same
A silver halide photographic emulsion is disclosed, comprising silver halide tabular grains having integrated therein dislocation lines and having an aspect ratio of 1.5 or more and a...
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5977190 |
Process for deionizing and concentrating emulsions
A process of washing an emulsion such as a silver halide emulsion which contains a hydrophilic colloid comprises deionizing the emulsion and coagulating the emulsion with an anionic polymer and...
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5976778 |
Process for the preparation of silver halide emulsions containing dispersed clumps of fine grains
A process of preparing a radiation-sensitive silver halide emulsion is disclosed in which the silver halide grains form dispersed clumps. A population of fine silver halide grains is precipitated...
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5972589 |
Silver halide emulsion manufacturing method
The present invention relates to a method for manufacturing a silver halide photographic emulsion comprising a nucleation step, a growing step and a washing step, wherein a reduction sensitization...
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5972588 |
Silver halide photographic emulsion and method for producing the same
There is disclosed a silver halide photographic emulsion, which comprises silver halide tabular grains that have {100} planes as principal planes and have the following features, the emulsion being...
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5965343 |
Silver halide photographic emulsion, method for producing thereof, and light-sensitive material using the same
A method for producing a silver halide photographic emulsion, a method for producing thereof, and a light-sensitive material using the same, the method comprising the steps of: (a) producing a host...
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5962206 |
Multilayer photographic element containing ultrathin tabular grain silver halide emulsion
A photographic element comprises a support bearing two or more silver halide emulsion image-forming layers each containing ultrathin tabular grains or a support bearing at least three image-forming...
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5955252 |
Silver halide photographic material
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer containing silver halide grains having a silver chloride content of at least 70...
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5955253 |
Silver iodide fine grain emulsion, lightsensitive silver halide emulsion including the same and silver halide photographic lightsensitive material containing the lightsensitive silver halide emulsion
A silver iodide fine grain emulsion comprising a dispersion medium and fine grains of silver iodide has an average grain size of 0.02 to 0.07 μm, contains 0.6 mol or more of silver iodide per...
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5955254 |
Production of silver halide emulsions
The production of a silver halide emulsion in an aqueous protective colloid solution by the reaction of, on the one hand, silver nitrate, and, on the other, at least one water-soluble halide, may...
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5952166 |
Enhanced sensitivity from thiolone dioxides in cubic silver chloride emulsions with sharp corners
The invention relates to an emulsion comprising sharp cornered silver chloride grains, said grains having a rounding index less than 0.3 and dithiolone dioxide.
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5945269 |
Silver halide emulsion and silver halide photographic material comprising same
The present invention provides an emulsion of high silver chloride content tabular silver halide grains with {100} planes as main planes having an excellent color sensitizability, gradation and...
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5939245 |
Au(I) sensitizers for silver halide emulsions
This invention relates to a silver halide photographic element comprising a support and a silver halide emulsion layer, the emulsion layer comprising a Au(I) compound having the formula wherein Z...
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5935774 |
Controlled site epitaxy on silver halide grains
A radiation-sensitive silver halide emulsion is disclosed comprised of composite grains including host grains having predominantly {111} crystal faces, cuprous ions adsorbed to the {111} crystal...
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5928852 |
Silver halide photographic emulsion
A silver halide photographic emulsion is disclosed, comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide grain contained in the silver halide...
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5928853 |
Method of manufacturing silver halide emulsion
Disclosed is a method of manufacturing a silver halide emulsion, the method comprising the step of ultrafiltrating and electrodialyzing a silver halide emulsion containing silver halide grains and...
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5925508 |
Method for producing silver halide photographic emulsion
A method for producing a silver halide photographic emulsion is described, which emulsion comprises tabular grains of silver bromide or silver iodobromide having {111} faces as major faces parallel...
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