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WO/1993/012459A1 |
A silver halide photographic material having at least one silver halide emulsion layer formed on a support, wherein the silver halide emulsion layer contains at least one cyanine dye represented by general formula (I) and a tellurium-sen...
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WO/1993/011458A1 |
A photographic element is described with improved speed in the blue and ultra-violet region of the electromagnetic spectrum. The spectral response of the photographic element is enhanced with at least one dye represented by formula (I), ...
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WO/1993/011467A1 |
The present invention provides a photographic material comprising on a support a silver halide emulsion sensitized to light of wavelengths between 600 nm and 850 nm characterized in that said silver halide emulsion comprises a red sensit...
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WO/1993/011457A1 |
A wide latitude, high resolution radiographic system having a relative speed of at least 150 and a contrast transfer function of at least 0.30 when measured at 6 line pairs per millimeter, comprises at least one X-ray intensifying screen...
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WO/1993/011466A1 |
Heat-developable silver-based photosensitive imaging element comprising a heat-reducible organic silver salt, a photosensitive silver halide, a developing agent, and a releasing compound that upon reaction with either the reduced or the ...
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WO/1993/011456A1 |
An improved system for rapid access processing of photographic silver halide elements comprises a hydrazine-containing silver halide element in combination with a developer solution comprising at least one ascorbic acid developing agent ...
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WO/1993/010482A2 |
Disclosed are novel radiation-sensitive negative-working surface-sensitive emulsions and materials exhibiting reduced pressure sensitivity. One aspect of the present invention is directed to silver halide crystals with low propensity tow...
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WO/1993/010154A1 |
Collagen-like polymers having repetitive triads are produced having reduced proline content, where glycine is the initial amino acid and the subsequent amino acids are varied, while retaining at least a minimum percentage of prolines. Th...
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WO/1993/010483A1 |
A method for the anionic photoinitiation of a substrate that includes exposing the substrate to an inorganic complex that releases an anionically charged nucleophile on irradiation.
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WO/1993/010112A1 |
Described are novel reversible photochromic naphthopyran compounds having at least one ortho substituted phenyl group at the 3-position of the pyran ring. Also described are organic host materials that contain or that are coated with suc...
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WO/1993/009063A1 |
Ammonium pentachloromonoaquorhodate(III), (NH4)2RhCl5(H2O), is a useful photograpic chemical. Small amounts of rhodium-containing, water soluble species remain in solution in the process liquor after synthesis. Most of the soluble rhodiu...
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WO/1993/009468A1 |
A high resolution radiography system is presented utilizing an intensifying screen incorporating a UV emitting phosphor. The photographic element exhibits enhanced sensitivity to the emission of the phosphor and further comprises at leas...
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WO/1993/008505A1 |
The present invention relates to polymethine spectral sensitising dyes comprising at least one intracyclic thioether function macrocycle. These special sensitising dyes may be used in silver halide photographic products. These spectral s...
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WO/1993/008503A1 |
Silver halide photographic elements which are capable of high-contrast development and are especially useful in the field of graphic arts comprise surface latent image forming high-chloride silver halide grains and have incorporated ther...
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WO/1993/008504A1 |
Silver halide photographic elements which are capable of high contrast development and are especially useful in the field of graphic arts have incorporated therein a hydrazine compound which functions as a nucleator, an amino compound wh...
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WO/1993/007533A1 |
A support for photographic printing paper including: a paper foundation; a surface-side composite resin coating layer formed on the surface of said paper foundation and comprising an inner hardened resin layer and outermost one including...
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WO/1993/006527A1 |
The invention relates to a photographic slide, the image on which reproduces not only all the hues but also all the tones of the image brillance to supplement them by an additional covering image with all the image points in register, th...
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WO/1993/006521A1 |
A radiation sensitive emulsion is disclosed containing a silver halide grain population comprised of at least 50 mole percent chloride, based on total silver forming the grain population projected area. Greater than 30 percent of the gra...
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WO/1993/006522A1 |
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 containing a stoichiometric excess of chloride i...
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WO/1993/006040A1 |
The invention relates to a method for preparing particles of metal oxide, as well as particles obtained by such method. The method consists in: precipitating a hydroxide, adding an inorganic compound such as a salt having a melting point...
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WO/1993/006597A1 |
The present invention relates to an optical recording element comprising a near-infrared absorbing dye, and acid-photogenerating compound, and an optical near-ultraviolet absorbing sensitizer which bleaches upon exposure to either near-i...
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WO/1993/005443A1 |
A radiographic element comprises a polyester support having double sided silver halide emulsion layers. An ultraviolet light absorbing methine compound is admixed in the support or in a layer interposed between the emulsion layers in an ...
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WO/1993/004786A1 |
A method and apparatus for coating a surface of a continuously moving substrate with a continuously flowing curtain of coating composition comprises transmitting a sound or light wave toward the curtain and detecting the sound or light w...
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WO/1993/005441A1 |
In the preparation of a photographic emulsion there is formed a solution and/or suspension of a photosensitive material such as silver halide in water. According to the invention, this water is treated with an electrical AC signal at a s...
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WO/1993/005444A1 |
A radiographic element comprises a polyester support having double sided silver halide emulsion layers. An ultraviolet light absorbing methine compound is copolymerized with the support and is present in an amount sufficient to reduce th...
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WO/1993/005445A1 |
The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), w...
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WO/1993/005442A1 |
A silver halide emulsion prepared from core-shell grains wherein the core is mainly chloride and the shell bromoiodide, is described. These unique and novel grains can be further stabilized by thiotosylate salts thereby providing a silve...
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WO/1993/004399A1 |
The invention provides photographic paper having increased image stability. The invention is generally accomplished by forming a paper sheet, drying said paper in a first stage to below about 10 percent water, then applying a polyvinyl a...
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WO/1993/004397A1 |
A process for manufacturing a photographic coupler dispersion. The process involves mixing a coupler and a solvent to form a coupler/solvent mixture, and then subjecting the coupler/solvent mixture to microwave energy to heat the mixture...
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WO/1993/004400A1 |
Photographic polyolefin coated print materials having improved stability, the polyolefin layer containing titanium dioxide pigment, a hindered amine light stabilizing agent and zinc oxide.
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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/1993/003418A1 |
A photosensitive photographic silver halide colour material comprising at least two dye image-forming units each separated from its neighbouring units by a layer containing a scavenger for oxidised developing agent, each unit comprising ...
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WO/1993/003420A1 |
A method of making fine particle photographic coupler dispersions which comprises forming a dispersion of photographic coupler, coupler solvent and auxiliary coupler solvent in an aqueous gelatin medium containing at least about 1 % by w...
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WO/1993/003414A1 |
A novel group of fluoroacetylphenyl hydrazines useful in insuring rapid-access processing of lithographic film elements is described. These hydrazines not only will produce good dot quality under conditions of rapid-access processing, bu...
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WO/1993/003421A1 |
Reducing agents for oxidized developing agents and light sensitive elements containing the reducing agents wherein the reducing agents comprise a polymer having gallic acid or gallic acid derivative moieties.
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WO/1993/002390A1 |
The invention is accomplished by addition of a monovalent or trivalent gold compound in an amount of up to 3 x 10-5 mole per mole of silver as a dopant during emulsion formation. The invention is preferred for silver chloride emulsions.
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WO/1993/002387A1 |
Silver halide photographic elements which are capable of high contrast-development and are especially useful in the field of graphic arts have incorporated therein a hydrazine compound which functions as a nucleator, an amino compound wh...
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WO/1993/002389A1 |
Silver halide photographic elements which are capable of high-contrast development and are especially useful in the field of graphic arts comprise surface latent image forming high-chloride silver halide grains and have incorporated ther...
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WO/1993/002392A1 |
A photographic element and process provide a magenta coupler of formula (I) wherein (a) at least one of X1, X2 and R1 and at least one of R2 and R3 is a substituent individually selected from carbamoyl, alkoxycarbonyl, aryloxycarbonyl, s...
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WO/1993/002388A1 |
Silver halide photographic elements which are capable of high-contrast development and are especially useful in the field of graphic arts comprise surface latent image forming, high-chloride silver halide grains and have incorporated the...
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WO/1993/001521A1 |
An X-ray imaging system comprising a pair of UV emitting screens in combination with a double-side coated, silver halide film element wherein said silver halide is chloride or tabular, is described. This system has superior image quality...
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WO/1993/001522A1 |
An X-ray film/screen combination which will produce an image with very high sharpness is described. This combination comprises a screen comprising a UV emitting phosphor with the major emission peak between 300-390 nm dispersed in a bind...
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WO/1993/001520A1 |
Substituted diaminedithio-containing compounds useful for improving the speed of a silver halide emulsion are described. These compounds can be added in small amounts to the emulsion preferably after the emulsion has been chemically sens...
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WO/1992/022418A1 |
Dies are disclosed for forming sheet-like extrudate of fluent material, such as a film of thermoplastic or solvent-plasticized material, or a liquid coating, e.g. a photographic coating, on a continuous support web. The dies include inne...
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WO/1992/022383A2 |
An apparatus for controlling the bead edge in slide-bead coating is disclosed employing bead edge guides (20) in a gap between a coating lip (17) and a moving substrate (18). The apparatus provides for improved coating quality and less m...
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WO/1992/021063A1 |
Method and apparatus are described for setting liquid photographic materials which have been applied as a coating on a support web, while the coated web is moving substantially horizontally with the liquid materials on the underside of t...
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WO/1992/021061A1 |
A method for preparing a photographic emulsion incorporating tabular silver halide grains is described. It is characterized in that twinned silver halide nuclei are precipitated either in an external static nucleator operating under lami...
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WO/1992/021062A1 |
Apparatus and method for coating a continuous web, such as paper or transparent film of cellulose acetate or polyethylene terephthalate, with liquid materials, such as photographic layer materials, which require chilling before they are ...
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WO/1992/021064A1 |
A novel blocked filter dye comprises a new blocking group that (a) comprises two electrophilic groups, the least electrophilic of which is bonded directly or through a timing group to the filter dye group of the compound, (b) is capable ...
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WO/1992/019522A1 |
In the winding of webs of plastic films, defects in the web caused by hard streaks in the wound roll are avoided or reduced by a new method of control. In this method, measurements are made of elastic properties of the web and of the ave...
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