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WO/1990/016011A1 |
The invention is generally accomplished by utilization of a surfactant for very small particle photographic dispersions. Three types of such surfactants that have been identified are as follows: Type A: surfactant comprising 6 to 22 carb...
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WO/1990/014615A1 |
Hydroxylamine compounds are commonly included in photographic color developing solutions to retard aerial oxidation. When the photographic element processed in the color developing solution is one which contains an aromatic polyhydroxy c...
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WO/1990/013852A1 |
The invention provides a photographic coupler of formula (I), wherein R1 and R2 are substituted or unsubstituted aryl groups, and R3 is a substituted or unsubsituted alkyl or aryl group. The couplers in accordance with the present invent...
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WO/1990/013061A1 |
A method of forming a dye image in a photographic silver halide element containing a dye-providing compound and having in a layer thereof an imagewise distribution of catalytic silver which comprises the step of treating the material wit...
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WO/1990/012898A1 |
A method of recovering silver from used photographic fixer solutions characterised in that the solution contains an alkali metal sulphite as the sole silver halide solvent.
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WO/1990/013060A1 |
A method of removing silver chloride from a photographic silver halide material during processing which comprises treatment with an aqueous solution containing an alkali metal sulphite as sole silver halide solvent.
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WO/1990/013059A1 |
A method of photographic processing employing a redox amplification solution containing hydrogen peroxide wherein the hydrogen peroxide is provided by the addition of a controlled weight of a solid compound which provides free hydrogen p...
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WO/1990/010881A1 |
The filter production method comprises forming a hologram by irradiating a photosensitive material and a mask spaced apart from each other at a given distance with the rays of light from opposite sides respectively, and reproducing the i...
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WO/1990/010253A1 |
The use of 1H-pyrazolo[1,5-b]-1,2,4-triazole couplers containing a tertiary carbon group on the coupler nucleus in photographic silver halide materials of which the halide comprises more than 80 % chloride, in order to improve raw stock ...
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WO/1990/010004A1 |
This invention relates to novel pyrazolo-[5, 1-C] (1, 2, 4) and (1, 3, 4)-triazoles having an acyloxy group in the 7-position and to a method for their formation. The method utilizes the corresponding 7-acyl compounds as starting materia...
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WO/1990/008979A1 |
In known photographic processing apparatus, quality of the photographs produced can be adversely affected by drift in the paper processor of the apparatus. One cause of drift is incorrect replenishment of the chemicals used in the paper ...
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WO/1990/008980A1 |
A three-part bleach-fix regeneration kit is utilized to restore the capability of a spent bleach-fix solution to function as a working solution in photographic processing. The first part, which is an aqueous alkaline solution containing ...
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WO/1990/008345A1 |
The invention is performed by providing a first flow of water and surfactant, a second flow comprising solvent, base and photographic material, and mixing said first and second streams and either simultaneously or immediately following t...
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WO/1990/000266A1 |
A method for converting a continuous tone image on a transparency, negative into a halftone image includes the steps of providing a plurality of light-responsive elements (10) upon a surface, each element adapted to generate a local elec...
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WO/1989/010972A1 |
Reagents for assaying hydrogen peroxide (comprising compounds of the structure COUP-(LINK)n-R) are disclosed; wherein a) a material having peroxidative activity; b) a hydrogen donating primary amine; and c) a compound selected from those...
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WO/1989/008870A1 |
A process for stabilizing the magenta dye image in a photographic color element comprises the steps of contacting the element with an aqueous stabilizing solution containing a water-soluble N-methylol compound and an alkaline buffering a...
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WO/1989/006380A1 |
A process for bleaching a silver halide photographic material having a silver halide emulsion layer comprising at least one silver bromoiodide layer and having been subjected to color developement, which comprises conducting the bleachin...
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WO/1989/006381A1 |
A process for processing a silver halide photographic material having a silver halide emulsion layer comprising at least one silver iodide layer with a processing solution which can develop and fix the photographic material, which compri...
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WO/1989/004508A1 |
This invention relates to a method and apparatus for replenishing a processing fluid for performing processing such as development, bleaching, fixing, etc. of a photosensitive material which has been exposed to rays of light transmitting...
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WO/1988/010450A1 |
A stabilizing bath which provides reduced stain and enhanced dye stability for photographic color elements which are processed therein is comprised of a dye stabilizing agent and an alkanolamine. The stabilizing bath is used as a final p...
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WO/1988/005724A1 |
To drive two toggle levers (29, 29') of a press, in particular a high frequency cutting press with at least 400 strokes per minute, two separate but mutually synchronized drives (101, 101') are provided to ensure a uniform, non-wobbling ...
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WO/1988/004795A1 |
Novel pyrazolone photographic couplers contain in the coupling position a coupling-off group represented by formula (I) wherein: L1 and L2 individually are unsubstituted or substituted methylene or ethylene; m and n individually are 0 or...
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WO/1988/001402A1 |
The direct positive photographic material comprises a support having provided thereon at least one non-prefogged, internal latent image forming silver halide emulsion layer, which is characterized in that at least one FR compound capable...
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WO/1988/000724A1 |
A process for processing a silver halide color photographic material comprising a support having provided thereon at least one silver halide emulsion layer containing silver bromoiodide of an iodide content of 0.5 mol % or more in a deve...
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WO/1988/000723A1 |
A silver halide color photographic material which comprises a support having provided thereon at least one silver halide photographic emulsion layer containing a dispersion of oleophilic fine particles containing at least one diffusion-r...
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WO/1987/007367A1 |
A method of obtaining a stereoscopic view from two satellite or two aerial photographs (18, 19) of the same or overlapping area. The method involves aligning the photographs (18, 19) in a stereoscope (10) with the horizontal axis (16) of...
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WO/1987/006723A2 |
Imaging elements, including radiation-sensitive elements such as photographic color paper products, are comprised of a support bearing a substantially crystal- and agglomeration-free hydrophilic layer. This layer comprises a hydrophilic ...
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WO/1987/006361A2 |
Fast acting and ecologically advantageous compositions for the bleach-fixing of photographic elements are comprised of an aqueous alkaline solution of a peroxy compound and an ammonium or amine salt of a weak acid.
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WO/1987/006360A1 |
A color developer for silver halide color photographic material, which contains at least one compound selected from among those represented by general formulae (II) and (III) and a compound represented by general formula (I). A process f...
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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/1987/006026A1 |
A process for color-developing silver halide color photographic material having a plurality of silver halide emulsion layers. Silver halide contained in said plurality of silver halide emulsion layers is substantially silver chlorobromid...
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WO/1987/005718A1 |
Multilayered image receptive film developed in distinguishable colors by kinetic energy imparted by radiant beam exposure which comprises (a) a first imaging layer composed of an aliphatic, polymeric binder containing from about 40 wt. %...
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WO/1987/005717A1 |
Multilayered image receptive film capable of being developed in distinguishable colors by kinetic energy imparted by radiant beam exposure which comprises (a) a first imaging layer composed of an aliphatic, polymeric binder containing fr...
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WO/1987/005127A1 |
A color image forming process which comprises developing color photographic printing paper comprising a support having provided thereon a silver halide emulsion layer containing a monodisperse silver chlorobromide emulsion of up to 20 % ...
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WO/1987/004809A1 |
A color image-forming process which comprises processing an imagewise exposed color paper containing an anionic surfactant having a fluorine-substituted aliphatic group as a hydrophobic group and an -SO3M or -OSO3M group (wherein M repre...
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WO/1987/004534A2 |
Photographic color developing compositions which are especially useful in the processing of high chloride silver halide photographic elements are free, or at least substantially free, of bromides; optionally contain a small amount of sul...
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WO/1987/004533A1 |
A process for forming a colored image, which comprises imagewise exposing a color paper having at least one light-sensitive layer containing a core/shell type surface latent image-forming, substantially silver iodide-free monodispersed s...
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WO/1987/001825A1 |
An image receptive film comprising a surface layer containing a photosensitive polyacetylenic compound having at least two acetylenic linkages in a conjugated system is subjected to a plurality of radiant energy exposures each limited to...
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WO/1987/001826A1 |
A silver halide photographic material, which is stable against heat or humidity and is excellent in color reproducibility, and which contains at least one magenta image-forming coupler represented by general formula (I), at least one pip...
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WO/1986/002467A1 |
Novel photographic dye-forming couplers comprise an imidazo AD1,2-b BDpyrazole nucleus which reacts at its 3-position with an oxidized aromatic primary amino color developing agent. These couplers are monomeric or polymeric and are usefu...
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WO/1986/001913A1 |
According to the method for making apparent stress and/or anomalies of plant growth, in particular trees in urban areas, a photography of the region to be osberved or parts of that region is first taken in false colours with reproduction...
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WO/1986/001915A1 |
A silver halide photographic photosensitive material containing in at least one of silver halide emulsion layers a 1H-pyrazolo AD3,2-c BD-s-triazole type of magenta coupler substituted in 3-position by the group represented by general fo...
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WO/1984/002400A1 |
Apparatus and methods for providing patterns of materials, as for color printing. A support member (30) has groups of surface areas (40A, 40B, etc) with each surface area in a given group (eg 40A) facing generally in a direction differen...
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WO/1984/002147A1 |
For introducing gases, wires and powders to metal melts, a multi-ducted refractory body (11) is installed in the wall (14) of a vessel (15) for the melt. The body has passage closing elements (24, 34, 35) preventing melt entering the pas...
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WO/1984/001628A1 |
An element containing a pigmented layer comprising a film-forming binder, a pigment and an organopolyphosphonic acid or salt which is a dispersing aid for the pigment. The pigmented layer is located between the support for the element an...
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WO/1983/000939A1 |
A method of forming a photographic azo or azamethine dye image in an exposed photographic silver halide element, the method comprising the steps of a) developing the imagewise exposed material to form an imagewise pattern of oxidised col...
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WO/1983/000396A1 |
A process for bleaching silver dye by using a black developer containing at least one thiazole derivative represented by the general formula (I):$(7,)$(wherein R represents a substituted or unsubstituted alkyl group, a substituted or uns...
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WO/1983/000234A1 |
A silver halide color photographic sensitive material comprising a support having provided thereon a plurality of silver halide emulsion layers having sensitivity in different spectral regions, wherein at least one of said layers compris...
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WO/1982/003131A1 |
Polymers comprising recurring units which, in the presence of silver ion or silver complex, are capable of undergoing cleavage or which, in the presence of an oxidizing or reducing agent, form a reaction product capable of undergoing cle...
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WO/1982/001944A1 |
New diazotype materials of which the sensitive layer contains as a base generator a compound comprising a base portion and an acid portion, the acid portion being a carboxy-2 carboxamide group, the base portion consisting of an alcaline ...
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