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WO/1984/002288A1 |
An optical data storage system is contemplated, one employing a data-modulated writing laser beam (Fig. 2; L) and a non-erasing reading laser beam of predetermined wavelength. Improved optical media (Fig. 2) for such systems are describe...
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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/1984/001176A1 |
A stratified composite paper product (8) which is substantially impermeable to liquids & gases comprises: an interior stratum (2) composed predominantly of cellulosic papermaking fibers (3), directly contiguous to each face of the interi...
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WO/1984/000826A1 |
The aqueous alkaline solution for the development of positively working and photosensitive reproduction layers contains silicate as well as a quaternary ammonium base such as tetraalkylammoniumhydroxide; it may also contain an aromatic o...
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WO/1984/000621A1 |
Vinyl acetate copolymers having excellent adherence to supports such as photographic film supports. Such copolymers comprise recurring polymerized units of: (A) 20 to 85 weight percent vinyl acetate monomer, (B) 5 to 65 weight percent ac...
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WO/1983/003485A1 |
An intra-level, hybrid electron beam/optical lithographic process. A substrate is prepared by applying an adhesion promoter which is compatible with both electron beam and optical processing. To the adhesion promoted substrate surface a ...
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WO/1983/002941A1 |
The compounds are represented by the formula 1 wherein R1 is a straight or branched alkyl rest or a cycloalkyl rest having from 1 to 18 atoms of carbon, a (poly)-alkoxy-alkyl rest having all together from 2 to 16 atoms of carbon, or a (p...
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WO/1983/002506A1 |
An electrically conductive composition that is particularly useful for reducing the propensity of image-forming elements to accumulate static electrical charge. The composition comprises an aqueous dispersion of a combination of (a) a no...
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WO/1983/002339A1 |
The photo- and electron resist contains a light-sensitive compound, a film-forming compound, a sensitizer, an organic solvent, an additive which forms a donor-acceptor complex with said compounds and reaction products thereof, which comp...
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WO/1983/002338A1 |
A silver halide emulsion for photographic use and a process for its preparation. A monodisperse silver halide emulsion containing silver halide grains substantially comprising silver bromoiodide grains of octahedral or tetradecahedral cr...
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WO/1983/002173A1 |
A silver halide emulsion for photographic use and a process for its preparation. A monodisperse silver halide emulsion containing silver halide grains of octahedral or tetradecahedral crystals having a recess in the center of the (1 1 1)...
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WO/1983/002174A1 |
A process for preparing a silver halide emulsion containing core/shell type silver halide grains, which comprises using silver halide grains of octahedral or tetradecahedral crystals having a (1 1 1) face substantially comprising silver ...
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WO/1983/002012A1 |
A spliced web and method for splicing web end portions together for minimizing splice-induced disturbance of a liquid composition continuously coated onto the face side of the splice web during a coating operation. Splicing strips (26, 2...
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WO/1983/001585A1 |
Method and apparatus for continuously and uniformly coating both sides of a substrate (2) which is to be coated with a coating such as a photosensitive material or the like (hereinafter referred to as the "substrate"), while supporting t...
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WO/1983/001532A1 |
A preformatted optical recording disk (15) for user in an optical data storage system in which a laser beam of predetermined frequency is focused on the disk. The disk comprises a substrate having reflective, dielectric and absorbing lay...
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WO/1983/001067A1 |
Polyolefin compositions containing thermally degraded crystalline propylene polymer and low density polyethylene. Such compositions exhibit a high flow rate and are particularly useful for extrusion coating. They have good coatability an...
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WO/1983/000844A1 |
Lithographic printing substrate ordinarily require a mechanical or chemical graining of aluminum surfaces. Such substrates are difficult and expensive to make. It has been found that lithographically suitable substrate can be prepared by...
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WO/1983/000937A1 |
A method for making a laser recording and data storage medium by first exposing a Lippman emulsion to light in order to form a depthwise nuclei gradient, then physically developing the emulsion until a reflective surface layer of spheroi...
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WO/1983/000873A1 |
A photochromic photosensitive composition containing a benzothiazolinospiropyran compound represented by the following general formula:$(8,)$wherein R1 represents an alkyl group containing 1 to 10 carbon atoms, R2 represents an alkyl gro...
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WO/1983/000938A1 |
An underlayer for a laser recording and data storage medium with a light absorption characteristic suited to a recording laser. The underlayer is formed by creating a nuclei layer in a silver-halide photosensitive emulsion layer and then...
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WO/1983/000750A1 |
Diazo compositions dispersed within a transparent polymer matrix are cast from an organic solvent onto a transparent polymeric carrier sheet. By developing a photographic image in the diazo layer and coating this with a heat-activated ad...
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WO/1983/000568A1 |
Photochromic materials are produced are by adding a photochromic compound to a finely divided powder. The material so produced may be added to articles as a surface layer thus spreading the photochromic compound evenly over the whole sur...
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WO/1983/000162A1 |
A water-soluble surface active compound useful in photographic elements comprises a hydrophobic terminal fluorocarbon group linked to a hydrophilic polyglycidyl chain having attached thereto an anion, the or each anion having an associat...
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WO/1982/003450A1 |
In the drying of sheet materials (10) which have been coated with a layer, or with two or more superposed layers, of liquid coating composition, improved drying conditions which result in less formation of mottle are provided by the use ...
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WO/1982/002780A1 |
Substantially amorphous polyesters containing ionic moieties are useful to uniformly disperse particulate pigments in dipersions, image-forming compositions, e.g. lithographic compositions. Such polyesters reduce pigment agglomerations a...
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WO/1982/002689A1 |
Monochromatic or polychromatic colored photographic images are directly developed on textile materials such as shirts or continuous textile webs by a heat transfer process. The textile material (15) is first presensitized by application ...
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WO/1982/002258A1 |
(Alpha)-diazoacetyl derivatives of aromatic heterocyclic nitrides of the general formula (1): (FORMULA) having light-sensitive properties. Light-sensitive materials of which polycrystalline layers include an (Alpha)-diazoacetyl derivativ...
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WO/1982/001945A1 |
Photographic antistatic coating compositions comprising a hydrophilic binder, an anionic fluorinated surfactant and an inorganic nitrate. Photographic base elements and radiation-sensitive elements are protected against the adverse effec...
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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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WO/1982/001511A1 |
Film units having a circular film disk (2), a plurality of image areas (28) defined by exposed borders, metering notches (24) around the disk periphery and a rigid core (4) in a central opening (26) are manufactured by cutting a pluralit...
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WO/1982/001410A1 |
A method and apparatus for changing the temperature of a moving continuous web (12). The apparatus includes a chamber (26) within which are mounted spaced parallel rollers (10) for contacting one side of the web and a housing (18) interp...
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WO/1982/001260A1 |
The use of chemical sensitizers in the ripening process ordinarily causes undesirable increases in fog levels. Sensitizers are disclosed in the present case which when used in ripening processes for emulsions to be included in color phot...
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WO/1982/001086A1 |
A process for developing a positive photosensitive lithographic printing plate comprising an aluminum plate having provided thereon a photosensitive layer containing an o-quinone diazide compound as a photosensitive ingredient, which pro...
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WO/1982/001085A1 |
Bilayer photosensitive imaging articles comprising a substrate coated with an image layer and a resist layer. The substrate may be transparent, translucent or opaque to give imaging articles useful in different applications. The image la...
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WO1982000033A1 |
Incorporation of a polyethoxylated phosphate ester in a film-forming composition containing a cellulose ester dissolved in a solvent medium has been found to promote stripping of the film from the surface on which it is cast. Such use of...
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WO/1981/003301A1 |
A surface grinding method and apparatus in a first embodiment of which a workpiece supported on a surface (56) is rotated about a vertical axis while being translated along ways (46, 47) past a cutting head (22) comprising an abrasive be...
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WO/1981/003074A1 |
A film unit processable by low viscosity processing liquid includes a small aperture (28) through which the liquid is introduced into a space between sheets (12, 14) of the film unit. To reduce the curvature of the wavefront of the liqui...
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WO/1981/003036A1 |
A sadalite photo- and/or cathode-chromium material is a transparent monolith with a homogeneous poly-crystalline structure having a density of more than 99% of the theoretical density of the sodalite of the corresponding chemical composi...
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WO/1981/002856A1 |
Coating apparatus for carrying out a process of coating in which one or more layers of coating composition are applied to the surface of an object, such as a continuous web (10) or discrete sections of sheet material, by advancing the ob...
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WO/1981/002640A1 |
A coated film base suitable for coating with a light-sensitive photographic emulsion layer comprises a self-supporting film of a synthetic linear polyester and a continuous subbing layer applied to at least one surface of said self-suppo...
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WO/1981/002490A1 |
Real-time optical disc having a heat-deformable recording layer (33) which, by virtue of its thickness and optical properties, produces a readout signal of high signal-to-noise ratio. The optical disc of the invention comprises a recordi...
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WO/1981/001754A1 |
Such method comprises reacting an aqueous solution of a silver salt (7) and an aqueous solution of a metal halide in a dispersion medium (3), to form germs of silver halides in the dispersion medium and growing those germs of silver hali...
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WO/1981/001755A1 |
The cost of conventional silver halide imaging technology has increased dramatically with the rising cost of silver. It would therefore be desirable to remove the silver from such imaging materials. Many replacement systems for silver te...
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WO/1981/001756A1 |
Novel light sensitive, heat developable imaging system incorporating a diazonium salt and a leuco dye in a binder.
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WO/1981/001757A1 |
The cost of conventional silver halide imaging technology has increased dramatically with the rising cost of silver. It would therefore be desirable to remove the silver from such imaging materials. Many replacement systems for silver te...
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WO/1981/001473A1 |
It is desirable to protect color photographic dye images from ultraviolet radiation which tends to cause dyes to fade. It has been the practice in the art to add materials into or above the silver halide emulsions which will absorb ultra...
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WO/1981/001204A1 |
This invention involves the production of sound tracks for motion picture film. Prior motion picture film sound tracks could not overlap the photographic image and were placed on the edge of the film, nor were they digitally coded to pro...
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WO/1981/001059A1 |
Photographic material including in one of its layers a polymeric product having an aminoallylidenemalononitrile ultraviolet absorber unit which can be introduced into a photographic layer by aqueous solutions, with the method according t...
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WO/1981/000922A1 |
The layer contains a photoresistant silver salt. In order to obtain well contrasted black images on white background, the layer receives an oxidation means, particularly an organic peroxyde which contains the white background.
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WO/1981/000921A1 |
The layer contains a photoresistant silver salt. To obtain a white background with a contrast black image, a fatty acid metal salt is used with at least 14 atoms of carbon and particularly zinc palmitate.
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