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7229631 |
Preparation of oil-in-water emulsions stabilised with recombinant collagen-like material and related products
The invention provides oil-in-water emulsions comprising recombinant collagen-like polymer in an amount sufficient to act as stabiliser of the emulsion. The polymer is especially a polypeptide...
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7179885 |
Silver-dispersing polypeptides
Silver halide emulsions for photographic uses contain a nucleation peptiser having at least one region A of up to 100 amino acids. Region A can either consist of (i) at least two silver-binding...
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7074551 |
Imaging material with improved mechanical properties
The present invention relates to an imaging element comprising at least one imaging layer and a support wherein the support comprises at least one layer comprising a splayant and a layered...
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6936411 |
Industrial radiographic silver halide material suitable for rapid processing applications
A silver halide industrial radiographic material comprising on at least one side of a support a hydrophilic gelatinous non-spectrally sensitized radiation-sensitive emulsion layer, having grains,...
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6875565 |
Silver halide photographic emulsion and photographic element comprising it
A silver halide emulsion which comprises silver halide tabular grains showing an average thickness lower than 0.15 μm, an average diameter of at least 1.20 μm and an average aspect ratio of at l...
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6770412 |
Black and white photographic material
The invention provides black and white silver halide material for optical contact copying, comprising: at least one photographic emulsion layer including a silver-halide-containing matrix in which...
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6689553 |
Silver halide photographic emulsion and silver halide photographic light-sensitive material using the same
A silver halide photographic emulsion that comprises silver halide grains. The emulsion was prepared in the presence of at least one halogen oxoacid salt represented by formula (I) below: M(XOn)m...
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6645712 |
Oil-in-water emulsion stabilized with recombinant collagen-like material
The invention provides oil-in-water emulsions comprising recombinant collagen-like polymer in an amount sufficient to act as stabiliser of the emulsion. The polymer is especially a polypeptide...
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6573036 |
Single-side coated silver halide photographic film material having reduced tendency to curl
A single-side coated light-sensitive silver halide photographic film material has been disclosed, having on one side of a subbed support, one or more light-sensitive silver halide emulsion layer(s)...
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6548238 |
Color photographic recording material
The stability of the dyes which are obtained after processing a color photographic material is improved by the addition of a polyvinylcaprolactam.
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6444416 |
Color photographic element with improved developability
This invention relates to a silver halide photographic element comprising a support and at least one gelatin containing imaging or non-imaging layer wherein during chemical processing the maximum...
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6303281 |
Photographic element having improved scratch and abrasion resistance
A silver halide photographic element comprises a support having thereon at least one light-sensitive silver halide emulsion layer and a light-insensitive protective layer, the light-insensitive...
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6280917 |
Latex and silver halide photographic light-sensitive material containing the same
A latex comprising a polymer having an ethylenically unsaturated monomer unit containing an active methylene group and an ethylenically unsaturated monomer unit selected from methacrylic acid...
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6165702 |
Imaging element containing polymer particles and lubricant
The present invention is an imaging element which includes a support, at least one image forming layer, and a surface protective layer. The surface protective layer includes polymer particles...
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6150081 |
Silver halide emulsions with recombinant collagen suitable for photographic application and also the preparation thereof
A tabular silver halide emulsion wherein the tabular grains account for more than 75% of the total grain projected area said emulsion comprising silver halide grains nucleated in the presence of...
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6136519 |
Silver halide color photographic material and method for forming a color photographic image
There is disclosed a silver halide color photographic material and a method for forming a color photographic image by processing said color photographic material with a color developer...
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6071681 |
Method for producing silver halide photographic light-sensitive material
A method for producing a silver halide photographic light-sensitive material is disclosed, which comprises a support having thereon a silver halide emulsion layer and optionally another hydrophilic...
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6015656 |
Tabular silica dispersion and silver halide photographic light sensitive material
A tabular silica dispersion is disclosed, which is obtained by mixing a tabular silica, gelatin, a cyclodextrin and a compound capable of crosslinking gelatin. Silver halide photographic materials...
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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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5989802 |
Recording materials and method for manufacturing said materials coated from hydrophilic layers having no gelatin or low amounts of gelatin
Recording materials and a method of manufacturing said materials by coating hydrophilic colloidal layer compositions on a support by slide-hopper or curtain-coating techniques, followed by drying,...
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5972591 |
Thickener for delivery of photographic emulsions
The invention is generally accomplished by providing a photographic element and a process of its formation wherein a gelatin silver halide emulsion is provided with a thickener comprising a...
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5958660 |
Hydrophilic colloid composition
This invention comprises a composition containing a hydrophilic colloid and a water soluble polymer of boric acid, and optionally a hardening agent for the hydrophilic colloid. The hydrophilic...
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5952164 |
Photographic element containing gelatin-modified polyurethane
The present invention is a photographic element including a support, at least one silver halide emulsion layer superposed on said support; and at least one auxiliary layer. The auxiliary layer...
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5932404 |
Silver halide photographic material containing a polymer with a photographically useful group which is rendered non-diffusible by cross-linking
The present invention is a silver halide photographic material including at least one layer which contains; a polymer comprising as constituent components thereof a repeating unit having a...
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5866312 |
Photographic element having surface protective layer
The present invention is a photographic element which includes a support, at least one silver halide emulsion layer, and a light-insensitive protective overcoat. The light insensitive protective...
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5858632 |
Processing method of silver halide light sensitive photographic material
A method for processing a silver halide light sensitive photographic material comprising a support having thereon hydrophilic colloid layers including a silver halide emulsion layer, wherein a...
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5858634 |
Photographic element containing polymeric particles made by a microsuspension process
The present invention is a photographic element which includes a support, at least one silver halide emulsion layer; and at least one layer containing a binder and polymer particles. The polymeric...
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5849471 |
Silver halide light-sensitive photographic material
A silver halide light-sensitive photographic containing a hydrophilic colloid layer containg dextran or a compound of the following formula and subbing layer containing metal oxide is disclosed....
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5834174 |
Photographic elements containing highly crosslinked matting agent
A photographic element comprising a support, at least one hydrophilic light-sensitive layer, and a light-insensitive layer containing a binder and solid, nonporous polymer matte particle having the...
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5817450 |
Emulsification and dispersion method of hydrophobic, photographically useful compound
An emulsification and dispersion method of a hydrophobic, photographically useful compound comprising dispersing a water-insoluble phase containing the hydrophobic, photographically useful compound...
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5795707 |
Photographic silver halide material
A photographic silver halide material having a support and at least one layer which is deposited thereon and which contains a polypeptide, at least 90 mole % of which consists of structural units...
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5741633 |
Attachment of gelatin-grafted polymer particles to pre-precipitated silver halide grains
The invention describes silver halide packet emulsion grains or crystals that are conventionally precipitated using gelatin of a given isoelectric pH, surrounded by a layer of...
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5731134 |
Gelatin and polymer latex dispersion coating compositions
Stable photographic coating compositions comprising a polymer latex are prepared by mixing an aqueous solution comprising gelatin with a latex dispersion of a polymer of the formula (A)x (B)y...
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5726004 |
Photographic material
A photographic material having at least one photosensitive silver halide emulsion layer and at least one non-photosensitive layer on a support, which material contains at least one compound of the...
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5723265 |
Image forming method
A color image forming method is disclosed, comprising developing a silver halide photographic material and bleach and/or fixing the photographic material, wherein the color image is formed in the...
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5693461 |
Mixed packet color photographic system
This invention describes the composition and method of preparation of heteroflocculated packet emulsion clusters containing a light sensitive and selectively photosensitized silver halide emulsion...
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5622808 |
Receiver for dye imbibition printing
Dye imbibition printing blanks are disclosed comprising a support bearing a layer comprising a cationic mordant, a hydrophilic colloid and a plasticizer polymer, wherein the plasticizer polymer is...
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5609987 |
Improvements in or relating to printing plates
A hydrophobic synthetic resin is used to partially or completely replace the hydrophilic colloid conventionally used in silver halide emulsions to obtain a radiation sensitive composition useful in...
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5609986 |
Ageing improvements of photographic elements comprising dextran
The present invention relates to a process for improving the ageing properties of a silver halide photographic element, free of photolytically generated latent images, comprising a support bearing...
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5607812 |
Color diffusion transfer film unit
A color diffusion transfer film unit containing an alkali processing element as one of elements constituting the film unit, wherein at least one of the elements contains at least one oligomer or...
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5589322 |
Process for making a direct dispersion of a photographically useful material
A process for making a direct dispersion of a photographically useful material is disclosed comprising subjecting a mixture of an aqueous gelatin solution, a liquid organic phase comprising a...
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5587281 |
Method for producing silver halide grain and silver halide emulsion using the grain
Disclosed is a method for producing silver halide grains containing tabular grains having a thickness of from 0.02 to 0.3 μm and an aspect ratio (diameter/thickness) of from 2 to 50 at a ...
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5543283 |
Attachment of gelatin-grafted plymer particles to pre-precipitated silver halide grains
The invention describes silver halide packet emulsion grains or crystals that are conventionally precipitated using gelatin of a given isoelectric pH, surrounded by a layer of...
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5529897 |
Non-ionic surface active compounds
A water-soluble or water-dispersible, non-ionic surface active compound has the formula ZNHQNHZ (I)whereineach Z independently is a polysaccharide group linked to the remainder of the molecule...
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5518877 |
Photographic silver halide material
Improved photographic properties are obtained if the photographic silver halide material contains a copolymer with polypeptide segments, wherein the polypeptide segments are derived from...
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5503972 |
Gelatin-grafted-polymer particles as peptizer for silver halide emulsions
This invention describes the use of gelatin-grafted-polymer particles as peptizers for the preparation of silver halide photographic emulsions, whereby the gelatin-grafted-polymer particles remain...
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5476747 |
Silver halide light-sensitive photographic material
A silver halide photographic light-sensitive material comprises a support and provided thereon, a photographic component layer comprising a silver halide emulsion layer and a hydrophilic colloid...
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5457023 |
Non-ionic surface active compounds
A water-soluble or water-dispersible, non-ionic surface active compound is provided having the formula ##STR1## wherein each Y independently is a hydrophilic polyhydroxyalkyl group; each X...
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5441860 |
Silver halide photographic material having improved antistatic properties
The present invention relates to a silver halide photographic material comprising a support having coated thereon at least one silver halide emulsion layer and at least one light-insensitive...
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5426019 |
Color photographic element
Yellowing, dye fade and thermal pinking of a processed color photographic element is improved by incorporating into the photographic element a non-color forming, oil-soluble, monomeric or...
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