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| Number | Title | Issue Date |
| 5663042 | Developing agents for (photo) thermographic systems A thermographic element comprising in a non-aqueous binder medium a silver salt oxidizing agent in reactive association with a compound comprising a plurality of redox color releasing moieties such that oxidation of each redox color releasing moiety cause... | 09/02/1997 |
| 5626957 | Antistatic x-ray intensifying screen comprising sulfonyl methide and sulfonyl imide and amide salts The present invention relates to an X-ray intensifying screen comprising a support, a fluorescent layer coated thereon which comprises fluorescent phosphor particles dispersed in a binder, and a protective top-coat layer covering said fluorescent layer, c... | 05/06/1997 |
| 5604083 | Antistatic film bases and photographic elements comprising said antistatic film bases The invention is directed to an antistatic polymeric film base comprising a polymeric film having coated on at least one side thereof an antistatic layer comprising the reaction product of (1) a water-soluble, electrically conductive polymer containing ca... | 02/18/1997 |
| 5593803 | Process for applying images to non-adhesive surfaces in thermal dye transfer imaging A thermal mass transfer imaging process comprises the thermal mass transfer of a dye-receptive transparent donor layer which is then at least partially over-coated with a thermally transferred dye image.... | 01/14/1997 |
| 5569485 | Method for the manufacture of a radiographic intensifying screen with antistat The performance of phosphor screens can be improved by adding an antistatic agent into the protective topcoat of the radiographic screen when the antistatic agent preferably comprises a fluorocarbon or silicone antistatic agent. These antistatic agents ar... | 10/29/1996 |
| 5563030 | Photothermographic element with pre-formed iridium-doped silver halide grains A negative-acting photothermographic element comprising a support bearing at least one heat-developable, photosensitive, image-forming photothermographic emulsion layer comprising: (a) an iridium doped, preferably iridium-doped core-shell, photosensitive ... | 10/08/1996 |
| 5558983 | N-acyl-hydrazine compounds as contrast enhancers for black-and-white photothermographic and thermographic elements N-acyl-hydrazine 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-white photothermogra... | 09/24/1996 |
| 5559239 | Process for preparing carbamoyl pyridinium compounds A process for synthesizing carbamoyl pyridinium compounds is described, in which the pyridine ring carries a sulfoalkyl group. The process comprises reacting a pyridine sulfonic acid with a carbamoyl chloride in the presence of a tert.-amine compound in a... | 09/24/1996 |
| 5556742 | Noble metal complexes to sensitize silver halide emulsions Silver halide photographic emulsions may be sensitized by the use of hydrido-phosphine noble metal compounds and especially platinum (II) compounds.... | 09/17/1996 |
| 5552258 | Diffusion transfer printing plate with acid gelatin under layer A process is described for producing a lithographic printing plate. The process comprises the steps of imagewise exposing a single sheet lithographic plate material consisting of a flexible support, having thereon a) at least an underlayer containing an a... | 09/03/1996 |
| 5545505 | Amine compounds as contrast enhancers for black-and-white photothermographic and thermographic elements Hydroxylamine, alkanolamine, and ammonium phthalamate 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 co... | 08/13/1996 |
| 5545508 | Photographic silver halide developer compositions and process for forming photographic silver images A process for forming a black-and-white high contrast negative photographic silver image by development of a silver halide photographic element with an aqueous alkaline photographic developer composition comprising a dihydroxybenzene developing agent, an ... | 08/13/1996 |
| 5543190 | Album containing pads of two-side coated repositionable tapes An album comprising more than two pages, said album having a stack of sheets attached thereto, at least some of said sheets being removable from said stack and having repositionable adhesive on both sides of said sheets which are removable.... | 08/06/1996 |
| 5543278 | Infrared sensitive silver halide photographic elements An infrared sensitive silver halide photographic element is disclosed comprising a support and at least one silver halide emulsion layer spectrally sensitized to the infrared portion of the electromagnetic spectrum. In particular, an infrared sensitive co... | 08/06/1996 |
| 5541049 | Silver halide photographic material having improved antistatic properties The present invention relates to a silver halide photographic material comprising a support, at least one silver halide emulsion layer coated thereon, and a hydrophilic colloid layer coated on said at least one silver halide emulsion layer, wherein said h... | 07/30/1996 |
| 5540947 | X-ray intensifying screens and method of manufacturing the same An X-ray intensifying screen comprises a support and a layer containing a direct emission phosphor formed without a binder. The preferred direct emission phosphor is a rare earth silicate phosphor. Said X-ray intensifying screen is useful in the methods f... | 07/30/1996 |
| 5541054 | Spectral sensitizing dyes for photothermographic elements The present invention provides heat-developable, photothermographic elements comprising a support bearing at least one photosensitive, image-forming layer comprising: (a) a photosensitive silver halide; (b) a non-photosensitive, reducible silver source; (c) a ... | 07/30/1996 |
| 5541235 | Organic soluble cationic dyes with fluorinated alkylsulfonyl counterions A cationic dye in a ketone solvent, wherein the cationic dye has a counterion which comprises a linear, branched or cyclic highly fluorinated alkylsulfonyl methide or highly fluorinated alkyl sulfonyl imide.... | 07/30/1996 |
| 5533620 | Foldable element for use in a case housing a roll of photosensitive material A foldable element (1) for use in a case (20) for a roll (21) of photosensitive material, in particular for graphic arts films, which can be used to obtain both a support (22) for holding the roll (21) in the case (20) and a spacer (23) for filling free s... | 07/09/1996 |
| 5529878 | Color proofing system A presensitized color proofing sheet and method of obtaining an image on a paper substrate is disclosed herein. The color proofing sheet is comprised of a color layer, an optional barrier layer, both being light sensitive, and non-light sensitive solvent ... | 06/25/1996 |
| 5529892 | Hardened silver halide photographic elements Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said prote... | 06/25/1996 |
| 5529893 | Photographic elements comprising antistatic layers Light-sensitive photographic element comprising a polymeric film base, a silver halide emulsion layer, and an antistatic layer comprising a low viscosity and highly sulfonated water soluble polyacetal (preferably obtained by reaction of a low viscosity po... | 06/25/1996 |
| 5529972 | Thermal dye transfer receptors The present invention relates to a thermal dye transfer material, more specifically to a thermal dye transfer receiving material comprising a support having thereon at least one dye receiving layer which can accept a dye which migrates from a thermal dye ... | 06/25/1996 |
| 5525459 | Photographic film having a mask bar code Photographic filmstrip susceptible of recording an ordered succession of image frames, which comprises in a non-image frame area thereof a photographically recorded, latent image mask bar code. The mask bar code is indicative of the intended use of the ph... | 06/11/1996 |
| 5521035 | Methods for preparing color filter elements using laser induced transfer of colorants with associated liquid crystal display device Color filter elements are prepared by the laser induced thermal transfer of colorant from a color donor to a transparent, non-birefringent substrate such as glass or polymeric film. Transparent pigments which are less prone to migration, more thermally st... | 05/28/1996 |
| 5521141 | Dye-donor film for thermosensitive dye-transfer system A film for producing a dye diffusion transfer image comprising diffusible dyes physically located in pores of a porous film having a Gurley value between 20 and 400 seconds per 50 cubic centimeters of air, said porous film containing no binder.... | 05/28/1996 |
| 5512185 | Purification of stable organic compounds Metal oxidizing agents (such as silver oxide or silver nitrate) are added to a solution of organic chemicals which comprise an unwanted level of organic reducing agents (either aqueous or organic solutions in which the metal oxidizing agent does not disso... | 04/30/1996 |
| 5510871 | Filter for a photothermographic developer A process for thermally developing a photothermographic media within an enclosed processor comprising the steps of transporting a photothermographic element with a latent image thereon to a thermal heating element comprising a rounded heating element such... | 04/23/1996 |
| 5508778 | Processing machine for photographic elements Processing machine for processing imagewise exposed silver halide photographic elements, which comprises a plurality of water processing units including at least one water washing unit and a further drying unit, wherein the water washing unit includes a b... | 04/16/1996 |
| 5503967 | Silver halide photographic material having improved antistatic properties The present invention relates to a silver halide photographic material comprising a support and at least one silver halide emulsion layer coated thereon, wherein said silver halide emulsion layer comprises from 5 to 15% by weight of a water-soluble, elect... | 04/02/1996 |
| 5501755 | Large area multi-electrode radiation detector substrate A process for making an electrical interconnect comprising the steps of adhering a flexible electrical circuit to the surface of a substrate, building conductive posts on said flexible electrical circuit, putting a curable dielectric composition around sa... | 03/26/1996 |
| 5496692 | Silver halide color photographic light-sensitive material Silver halide color photographic light-sensitive material which comprises a support having thereon at least one silver halide emulsion layer containing a) an alkoxybenzoylacetanilide DIR coupler having bonded to the coupling active position a group which ... | 03/05/1996 |
| 5496696 | Silver halide imaging materials A photosensitive element having a photosensitive medium comprising silver halide in reactive association with an organoborate salt and wherein said medium is selected from: (a) silver halide photographic emulsions comprising a cationic dye, and (b) photothermo... | 03/05/1996 |
| 5491059 | Silver carboxylate compounds as silver sources in photothermographic and thermographic elements Silver carboxylates which can serve as the silver source in a black-and-white thermographic or photothermographic element or as the oxidizing agent for a dye-based thermographic or photothermographic color-imaging construction can be represented by the ge... | 02/13/1996 |
| 5486451 | Method of preparing silver halide photographic emulsions A method is disclosed of preparing washed silver halide photographic emulsions wherein silver halide grain formation is effected in the presence of an acid-coagulable gelatin derivative or a mixture of gelatin and an acid-coagulable gelatin derivative and... | 01/23/1996 |
| 5486857 | Thermal imaging system A thermal imaging device having a print surface adapted to provide localised heating to a medium comprising a thermally activatable component of an imaging forming system, the device comprising the following sequential layers: (a) a transparent or semi-tr... | 01/23/1996 |
| 5484693 | Photographic elements comprising antistatic film bases Polymeric film bases at least one side of which is coated with an antistatic layer comprising the reaction product of (a) a water-soluble, electrically conductive polymer containing carboxylic groups and (b) a polyfunctional epoxide crosslinking agent, an... | 01/16/1996 |
| 5482820 | Silver halide photographic elements containing biocides There is disclosed a light-sensitive silver halide photographic element comprising at least one hydrophilic colloid layer containing a dihalogenonitriloacylamino compound in combination with a phenolic biocide.... | 01/09/1996 |
| 5482827 | Hardened silver halide photographic elements Light-sensitive silver halide photographic elements comprising a support bearing at least one gelatin-containing silver halide emulsion layer, wherein the silver halide emulsion is chemically sensitized with sulfur and gold in the presence of a sulfinic a... | 01/09/1996 |
| 5482809 | Liquid toners from soluble polymeric dispersants with reactive groups A liquid toner composition for use in electrographic imaging comprises a non-aqueous solvent and a soluble dispersant made from thermodynamically compatible polymers containing functional groups with good adsorption properties for cyan, magenta, yellow an... | 01/09/1996 |
