|
Match
|
Document |
Document Title |
|
|
5229264 |
Photographic silver halide emulsion
A quick-developing highly sensitive silver halide emulsion distinguished by steep gradation, a minimal increase in fog during storage, improved threshold gradation and low sensitivity to...
|
|
|
5229263 |
Silver halide photographic material and process for the development thereof
A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains, wherein said silver halide...
|
|
|
5227274 |
Process for preparation of light-sensitive material containing microcapsules
A process for preparation of a light-sensitive material containing microcapsules is disclosed. The light-sensitive material comprises a light-sensitive layer provided on a support. The...
|
|
|
5225319 |
Light-sensitive silver halide photographic material
Disclosed is a light-sensitive silver halide photographic material having at least one layer containing a silver halide emulsion on a support, wherein at least one layer containing said silver...
|
|
|
5223388 |
Process for producing silver halide emulsion and apparatus
A process for producing a light-sensitive silver halide emulsion comprising the steps of: (a) batchwise reacting in a first medium-sized reaction vessel an aqueous solution of a silver salt and...
|
|
|
5221604 |
Silver halide photographic material
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer wherein the silver halide emulsion contains a salt of a metal ion of which the...
|
|
|
5217859 |
Aqueous, solid particle dispersions of dichalcogenides for photographic emulsions and coatings
This invention provides a method of preparing a silver halide photographic emulsion which comprises adding to the silver halide emulsion a solid particle dispersion of a non-labile chalcogen...
|
|
|
5215879 |
Process for preparing a silver halide emulsion
A silver halide photographic emulsion containing silver halide twinned-crystal grains is prepared by the steps of (a) forming silver halide nuclear grains by mixing a water soluble silver salt and...
|
|
|
5213953 |
Color image forming process
A color image forming process is disclosed. The process comprises color developing an imagewise exposed silver halide color photographic material with a developer containing an aromatic primary...
|
|
|
5213772 |
Apparatus for forming silver halide grains
An apparatus for forming silver halide grains comprises a reaction vessel for causing the nucleus formation and the crystal growth of silver halide grains. The apparatus further includes: a mixer...
|
|
|
5210013 |
Very low coefficient of variation tabular grain emulsion
A photographic emulsion is disclosed containing a coprecipitated grain population exhibiting a coefficient of variation of less than 10 percent. The coprecipitated grain population consists...
|
|
|
5206133 |
Silver halide color reversal photographic material
A novel silver halide color reversal photographic material is provided having at least one light-sensitive silver halide emulsion layer on a support, comprising silver halide grains contained in...
|
|
|
5206134 |
Method for producing silver halide photographic emulsion
A method for producing a silver halide photographic emulsion comprising silver iodobromide or iodobromochloride grains having an average iodine content of less than 1.0 mol %, which comprises the...
|
|
|
5198331 |
Silver halide emulsion chemically ripened in the presence of a gold-containing complex
A method for preparing a silver halide emulsion containing silver halide grains comprising (i) preparing a mixture by mixing a compound represented by the following Formula (1) or (2), and a...
|
|
|
5192653 |
Method for spectrally sensitizing silver halide photographic emulsions
A method for spectrally sensitizing silver halide emulsions is disclosed, comprising the step of adding a cyanine dye, which provides a J-band when added to silver halide emulsions, to a silver...
|
|
|
5185240 |
Silver halide photographic material
Disclosed is an autopositive silver halide photographic material which comprises at least one silver halide emulsion layer, characterized in that said emulsion layer or at least one other...
|
|
|
5185239 |
Process for the preparation of high chloride tabular grain emulsions (IV)
A process of preparing a radiation sensitive high chloride high aspect ratio tabular grain emulsion is disclosed wherein silver ion is introduced into a gelatino-peptizer dispersing medium...
|
|
|
5182190 |
Method for obtaining a photographic coating composition
The present invention relates to a method for obtaining a silver halide photographic composition for a coating layer. The method consists in individually preparing the various components of the...
|
|
|
5180651 |
Method for the addition of powders to photographic systems
A process for improving the method by which a powder such as a dye is added to a gelatino silver halide element is described. This process involves encapsulating the powder within a gelatin...
|
|
|
5176990 |
Method of forming a silver haloiodide photographic element
A method for forming a photographic element includes steps of heating an emulsion containing grains of a radiation sensitive silver haloiodide to form a first melt, heating an emulsion containing...
|
|
|
5176991 |
Process of preparing for photographic use high chloride tabular grain emulsion
A process is disclosed of preparing a high chloride tabular grain emulsion for photographic use. An emulsion comprised of silver halide grains and a gelatino-peptizer dispersing medium in which...
|
|
|
5173398 |
Silver halide color photographic light-sensitive material
There is disclosed a silver halide color photographic light-sensitive material which is improved in image sharpness, pressure resistance and sweating. The photographic material comprises a support...
|
|
|
5171659 |
Process of preparing a reduced dispersity tabular grain emulsion
A process is disclosed of preparing a photographic emulsion containing tabular silver halide grains exhibiting a reduced degree of total grain dispersity. After forming a population of silver...
|
|
|
5169750 |
Process for the production of photosensitive silver halide emulsions
An improved process for preparing silver halide emulsions by precipitation of silver halide grains in a single reaction vessel comprising a dispersing medium is disclosed. The process comprises...
|
|
|
5168035 |
Process for making a pressure fog-resistant photographic element
A method for controlling pressure-induced fog in a silver bromide photographic material involves surface treatment of the emulsion AgBr grains with thiocyanate and an iodide salt. In particular, a...
|
|
|
5166045 |
Doping of silver halide emulsions with group VIB compounds to form improved photoactive grains
The incorporation of dopant during the precipitation of silver halide grains. The silver halide grains are formed by a double jet, accelerated flow technique. After addition of about 65 to 90% of...
|
|
|
5166015 |
Photographic photosensitive solution manufacturing method and apparatus
A method and apparatus for manufacturing photographic photosensitive solultion to produce crystals of silver halide emulsion having a uniform size and shape and without substantial waste of...
|
|
|
5164292 |
Selenium and iridium doped emulsions with improved properties
The invention is generally accomplished by forming a silver halide emulsion and during precipitation adding iridium and selenium in an amount effective to decrease reciprocity failure with...
|
|
|
5156946 |
Silver halide photographic materials
A silver halide photographic material comprising at least one silver halide emulsion layer on a support, wherein the latent image distribution of silver halide grains contained in the at least one...
|
|
|
5153116 |
Silver halide photographic light sensitive material excellent in antistatic property
There is disclosed a silver halide photographic light-sensitive material comprising a support and provided thereon, at least one silver halide light-sensitive layer spectrally sensitized by adding...
|
|
|
5145768 |
Process of forming silver halide grains
A process of producing silver halide grains by disposing a mixer outside of a reaction vessel for causing a nucleus formation and/or a crystal growth of silver halide grains and containing an...
|
|
|
5141845 |
Process for the spectral sensitization of photographic silver halide emulsions and products thereof
There is described a process for the spectral sensitization of photographic silver halide emulsions which comprises forming and chemically sensitizing silver halide crystals in a colloid dispersion...
|
|
|
5141846 |
Method for preparing photographic emulsion
A method for manufacturing a photosensitive silver halide emulsion which comprises the steps, in sequence, of forming silver bromide grains which have predominantly (111) crystal faces or mixed...
|
|
|
5137803 |
Silver halide photographic materials
Disclosed is a silver halide photographic material. The material comprises a support and at least one emulsion layer, wherein the emulsion layer includes a silver chlorobromide emulsion. The silver...
|
|
|
5134060 |
Silver halide photographic emulsion prepared with silver halide grains formed in the presence of a water soluble iridium compound and a nitrogen-containing heterocyclic compound
A silver halide photographic emulsion containing silver halide grains having a silver chloride content of not less than 90 mol % and a method for preparing thereof are disclosed, wherein the silver...
|
|
|
5132203 |
Tabular grain emulsions containing laminar halide strata
Photographic emulsions are disclosed comprised of radiation sensitive silver iodobromide grains, at least 50 percent of the total projected area of said silver iodobromide grains being accounted...
|
|
|
5130212 |
Process for producing silver halide photographic material
A process for producing a silver halide photographic material that has at least one silver halide emulsion layer on a support, in which process at least 10 mg of a calcium salt per mole of silver...
|
|
|
5124243 |
Light-sensitive silver halide photographic material
There is disclosed a light-sensitive silver halide photographic material having at least one silver halide emulsion layer containing silver halide crystal grains which comprises at least one of the...
|
|
|
5120638 |
Silver halide emulsion and a photographic material
A photographic silver halide emulsion, of which at least 50% by weight of the silver halide crystals are triply twinned crystals with a crystal structure consisting of a basic tetrehedron with...
|
|
|
5114838 |
Process for preparing silver halide emulsion and silver halide X-ray photographic material containing said emulsion
A process for treating a tabular silver halide emulsion is disclosed comprising the steps of subjecting the tabular silver halide emulsion to reduction sensitization and to sulfur sensitization or...
|
|
|
5112732 |
Direct positive silver halide photographic materials
A direct positive silver halide photographic material is disclosed, comprising a support having thereon at least one internal latent image silver halide emulsion layer which has not been prefogged...
|
|
|
5110719 |
Process for preparing a direct positive photographic material
A process for preparing a direct positive photosensitive material comprising providing on a support at least one silver halide light-sensitive emulsion layer containing the combination of (a)...
|
|
|
5106725 |
Silver halide grains and photosensitive silver halide photographic materials
Silver halide grains for use in silver halide photography having a regular crystal shape and including at most two irregularly grown crystal faces and a silver halide photo-sensitive material...
|
|
|
5104784 |
Direct positive photosensitive material
A novel direct positive photosensitive material is provided comprising a support having therein at least one photographic emulsion layer containing internal latent image type silver halide grains...
|
|
|
5104786 |
Plug-flow process for the nucleation of silver halide crystals
The invention is generally accomplished by providing nucleation of silver halide crystals or grain without backmixing or exposure to previously nucleated grains. Generally this is accomplished by...
|
|
|
5096690 |
Method and apparatus for manufacturing silver halide grains
A method and apparatus for manufacturing silver halide grains wherein a water-soluble silver salt solution and a water-soluble halide solution are separately introduced within a hollow cylindrical...
|
|
|
5096806 |
Silver halide photographic material and process for producing the same
A silver halide photographic material comprising a support, and at least one silver halide emulsion layer containing silver halide grains on the support, wherein the silver halide grains have an...
|
|
|
5091293 |
Color negative photographic material
A high-speed color negative photographic material which comprises, a support having provided thereon, at least one red-sensitive silver halide emulsion layer, at least one green-sensitive silver...
|
|
|
5087555 |
Silver halide photographic emulsion and method for manufacture thereof
A silver halide photographic emulsion comprising silver halide grains is disclosed, wherein at least 60% of the total projected area of the silver halide grains is comprised of tabular silver...
|
|
|
5081009 |
Process for preparing an internal latent image silver halide emulsion
A direct positive photosensitive material composed of a support having thereon at least one photosensitive emulsion layer comprising non-prefogged internal latent image silver halide grains and at...
|