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Matches 1,201 - 1,250 out of 53,592

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO1992022383A3  
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.  
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...  
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 ...  
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...  
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...  
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.  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO1991019224A3  
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...  
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...  
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 ...  
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 ...  
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...  
WO/1992/020011A1
It has surprisingly been found that a protective coating composition for diazo-containing materials can be prepared from a cellulose ester, a hydroxylated resin, a crosslinking agent, microcrystalline silica and an acid catalyst. The coa...  
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...  
WO/1992/020010A1
A new film cassette assembly (1) comprises a thrust type cassette (3) and a roll of a photographic film (33) having particular properties. One such property is a low coefficient of friction between the emulsion side and back side of the ...  
WO/1992/018900A1
An apparatus for cutting and feeding strips of web material includes a source (36) of an indeterminate length of web material; means (40-48) for withdrawing a predetermined portion (10) of web material from the source; a guide track (56,...  
WO/1992/017538A1
Novel polyethylene compositions comprising a blend of a polyethylene component having defined properties, a specific quantity of defined tackifying resins and defined quantities of thermally sensitive additives are disclosed. In addition...  
WO/1992/017816A1
In the hopper coating of liquid compositions on moving webs, as in the coating of photographic layers on film supports, the trapping of solid particles or bubbles in the hopper slots causes line defects or streaks in the coated layers. T...  
WO/1992/017548A1
Indolicin trimethine dyes of general formula (I) in which the meanings of the variables are: R?1� represents C�1?-C�22? alkyl groups which may carry the following substituents: halogen, hydroxy, C�1?-C�6? alkoxy, benzyloxy, C...  
WO/1992/017817A1
An element comprising a support having an antistatic layer applied to one side thereof and wherein said antistatic layer also contains antihalation dyes absorbing light at 440 nm and below and with matte particles therein, is described. ...  

Matches 1,201 - 1,250 out of 53,592