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WO/1997/021148A1 |
There are described a diffusion transfer photographic film unit of the type wherein an image-receiving element is designed to be separated from a photosensitive element after photoexposure and processing and a photographic process which ...
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WO/1997/018497A1 |
There are described heat-developable photosensitive image-recording materials which include a compound having at least one cyclic 1,3-sulfur-oxygen moiety. The compound is stable in the photographic processing composition but capable of ...
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WO/1997/015457A1 |
A cellulose polymer network crosslinked with metal ions selected from the group consisting of: Al+3, Zr+4, and Ti+4, the crosslinked cellulose polymer network having incorporated therein a colloidal sol containing metal oxide-hydroxide p...
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WO/1997/011410A1 |
Hydroxamic acid compounds are useful as contrast enhancers when used in combination with (i) hindered phenol developers, and (ii) trityl hydrazide and/or formyl-phenyl hydrazine co-developers, to produce ultra-high contrast black-and-whi...
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WO/1996/032291A1 |
There are disclosed an improved imaging assembly comprising donor and receptor elements, as well as a method of making and using the same, wherein the donor may be made of a laser addressable mass transfer imaging material; and the imagi...
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WO/1996/026074A1 |
Novel mordants based upon a poly(alkylene oxide) backbone and either pendant phosphonium or quaternized-nitrogen compounds are disclosed. The mordants find use in stopping or controlling ink-bleeding in ink-jet receptors and photographic...
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WO/1996/000929A1 |
A photothermographic element containing a support bearing at least one heat-developable, photosensitive, image-forming photothermographic emulsion layer is provided. The emulsion layer comprises: (a) a photosensitive silver halide; (b) a...
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WO/1996/000928A1 |
A photothermographic element comprising a support bearing at least one heat-developable, photosensitive, image-forming photothermographic emulsion layer comprising: (a) a photosensitive silver halide; (b) a non-photosensitive, reducible ...
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WO/1996/000410A1 |
Photothermographic elements having improved post-processing stability are described. These elements comprise a support bearing at least one photosensitive, image-forming photothermographic-emulsion layer comprising: (a) a photosensitive ...
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WO/1995/030934A1 |
An apparatus, system, and method for processing photothermographic elements. The apparatus thermally develops a photothermographic element by heating the photothermographic element between a heated member, having a resilient layer, and a...
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WO/1995/023357A1 |
Dihydroperimidine squarylium dyes have been found to be particularly effective when used as acutance and antihalation dyes for photothermographic and photographic articles. The dihydroperimidine squarylium dye has the nucleus (I).
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WO/1995/020610A2 |
A two-phase acidic aqueous composition for use as a neutralization layer is generally comprised of a water soluble aqueous phase and a water insoluble particle phase. The particle phase generally comprises a copolymer having recurring un...
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WO/1995/015856A1 |
A security document which contains at least one layer and a transparent or translucent support and at least one image or pattern serving for identification purposes, characterized in that said document contains at least one light interfe...
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WO/1995/016224A1 |
A security document containing a photograph obtained by the silver complex or dye diffusion transfer process in an image receiving layer containing light interference pigments uniformly distributed in said image receiving layer, and/or i...
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WO/1995/010069A1 |
An image-receiving element (10) for use in photographic diffusion transfer film units of the type wherein the image-receiving element, which includes an image-receiving layer (18), is designed to be removed, or "peeled-apart", from a pho...
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WO/1995/010070A1 |
An image-receiving element for use in photograhic diffusion transfer film units of the type wherein the image-receiving element, which includes an image-receiving layer, is designed to be removed, or "peeled-apart", from a photosensitive...
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WO/1994/025901A1 |
Blends of poly(caprolactone) and poly(vinyl chloride) have been found to have good dye permeability. They have been incorporated into photothermographic constructions as barrier interlayers and dye-receiving layers.
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WO/1994/025900A1 |
A light-sensitive, image-forming, photothermographic emulsion layer composition comprising: (a) a photosensitive silver halide, (b) a light-insensitive, reducible source of silver; (c) a reducing agent for said light-insensitive reducibl...
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WO/1994/022052A1 |
Photothermographic elements capable of producing a high density yellow or magenta image upon image-wise exposure and thermal development at a relatively low temperature and for a short period of time are described. The photothermographic...
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WO/1994/022055A1 |
Heat-developable photothermographic materials capable of providing stable color images of high resolution. These materials comprise a support bearing a layer of an image-forming composition comprising: (a) a photosensitive silver halide,...
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WO/1994/020551A2 |
Novel classes of polymeric mordants based upon poly(vinylpyridine), poly(N-vinylimidazoles), and poly(meth)acrylates are disclosed. The polymeric mordants contain N-heterocycles which are N-quaternized by different types of alkylated hyd...
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WO/1994/015257A1 |
There are disclosed compounds comprising at least one cyclic 1,3-sulfur-nitrogen substituted color-providing material and at least one ballast group which are linked to each other through a triazine group. The compounds are capable of re...
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WO/1994/014620A1 |
A thermographic dye transfer image-recording material is provided wherein a particular silver salt complex is employed as a source of silver ions, made available upon imagewise heating, to cleave a dye-providing material to provide a dif...
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WO/1994/015256A1 |
There are disclosed dye-providing compounds comprising color coupler dyes substituted on the phenylene diamine portion with one or two cyclic 1,3-sulfur-nitrogen groups. The dye-providing compounds are capable of releasing the coupler dy...
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WO/1994/011785A1 |
Unique laser ablation transfer (''LAT'') imaging films presenting options of flexibility and versatility hitherto alien to this art are produced, on-demand, by toning appropriate substrate as to provide thereon an ablative discontinuous ...
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WO/1994/010609A1 |
The present invention provides a photographic material comprising on a support an image-receiving layer containing physical development nuclei and a photosensitive layer containing (i) light sensitive silver halide particles having an av...
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WO/1994/003835A1 |
There are disclosed color-providing compounds comprising two or more cyclic 1,3-sulfur-nitrogen groups and two or more color-providing moieties, i.e., complete dyes or dye intermediates, capable of releasing the color-forming moieties up...
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WO/1994/003833A1 |
Photothermographic and thermographic diffusion transfer image-recording materials are provided wherein an auxiliary ligand for silver ions is employed to enhance transfer image density and discrimination.
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WO/1994/003334A1 |
A film is provided for producing a dye diffusion thermal transfer image comprising diffusible dyes physically located in the pores of a porous film having a pore size between 20 and 400 Gurlex without any binder. The diffusion of dyes ca...
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WO/1994/001804A1 |
A filter is formed on a solid state imager by: forming, on the imaging surface of the imager, an adherent layer of a dye-containing photoresist composition comprising a photoresist resin and a thermochromic dye, this dye being substantia...
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WO/1993/025936A2 |
Copolymers of acrylonitrile and vinylidene chloride are used as selective diffusion interlayers in dye-diffusive photothermographic imaging constructions. The interlayers have sufficient permeability to be useful for constructions in whi...
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WO/1993/021562A1 |
The use of copolymers of vinylidene chloride and vinyl pyrrolidone as selective diffusion media in dye-diffusive photothermographic imaging constructions is disclosed. Unoxidized phenolic leuco dye molecules diffuse into a film of these ...
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WO/1993/021563A1 |
Imageable articles having dye selective interlayers comprising copolymers of styrene and vinylidene chloride are disclosed. The interlayers have sufficient permeability to be useful for constructions in which cationic dyes must be preven...
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WO/1993/015272A1 |
An image carrier and a method for forming a reprographic image thereon is disclosed, said image carrier comprising a support and an opaque hydrophilic colloid layer characterized in that said opaque hydrophilic colloid layer contains at ...
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WO/1993/012462A1 |
A method of fixing a developed photographic silver halide material comprising at least two silver halide layers sensitised to different regions of the spectrum, comprising placing the material in face-to-face contact with a fixer sheet i...
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WO/1993/004403A1 |
A novel class of bridged indicator dyes is disclosed which possess absorption in the infrared region of the electromagnetic spectrum. These bridged indicator dyes are useful as light-absorbing, pH-sensitive optical filter agents in diffu...
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WO/1993/004401A1 |
A deletion fluid for lithographic printing plates comprising a silver image formed by the silver salt diffusion transfer process comprising an aqueous solution containing iodine and an iodide salt characterised in that it contains from 1...
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WO/1993/004398A1 |
Certain fluoran dyes have been found to be effective reducing agents for silver ion in dry silver constructions. The fluoran dyes have structure (a) wherein R1 represents methyl or n-butyl; R2 represents n-butyl or cyclohexyl; R3 represe...
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WO/1992/020012A1 |
This invention relates to a structure of film package for instant direct X-ray photographing used in the medical, dental, and industrial fields and to an instrument for adapting the structure to exhibit the function thereof, the structur...
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WO/1992/009929A1 |
The invention provides a diffusion transfer receiver comprising a support with a non-light-sensitive image receiving layer coated onto each face thereof, said image receiving layer in each case comprising a catalytic nuclei layer for phy...
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WO/1991/019225A1 |
A photographic donor material useful in forming continuous tone images in a silver salt diffusion transfer process is comprised of a support; a photosensitive silver halide emulsion layer in which the silver halide is at least 80 % silve...
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WO/1991/007449A1 |
Polymers comprising recurring units represented by structures (1), (2) and (3), where R?1¿, R?2¿, D, J, Y, a, b, and c are as defined herein are useful for controlling wandering of filter dyes in photographic elements.
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WO/1991/007448A1 |
Polymers comprising recurring units represented by structures (1), (2) and (3), where R1, R2, D, J, Y, a, b, and c are as defined herein are useful for controlling wandering of filter dyes in photographic elements.
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WO/1991/006895A1 |
The invention provides a non-light-sensitive image receiving element for use in a silver halide diffusion transfer process, wherein the element contains a layer containing a tone controlling compound selected from at least one of: (1) an...
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WO/1991/003766A1 |
The present invention relates to a silver halide photographic transfer element (10, 50) which comprises a support (20) having a front and rear surface, a transfer coating (30) on the front of thesupport comprising a material capable of h...
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WO/1990/011550A1 |
For the production of a flexographic relief printing plate, a novel photosensitive printing component is used having a dimensionally stable backing (A), a photopolymerisable printing layer (B) forming a relief image and consisting of at ...
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WO/1990/002360A1 |
A composition in which silver precipitating nuclei for silver salt diffusion transfer receiving layers are stabilised comprises an aqueous composition comprising a colloidal suspension of nickel sulphide particles and a stability-improvi...
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WO/1987/006024A2 |
Photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound represented by formula (I), wherein R is -OH, -OR4, -NH2-...
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WO/1987/006025A2 |
Diffusion transfer color films and processes which use dye developer chemistry to form at least one color record and which use image dye-releasing thiazolidine chemistry to form at least one of the other color records.
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WO/1987/000307A1 |
Diffusion transfer photographic processes adapted to be performed in the presence of ambient light and to diffusion transfer products useful in such processes wherein enhanced opacification particularly, in the green region of the visibl...
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