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5077154 |
Soft edge mask
A soft edge mask comprises a panel having an opaque area forming a mask portion and defined by a clearly focussed edge of a predetermined shape, a transparent area forming a clear portion defined...
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5053320 |
Direct dry negative color printing process and composition
The invention relates to a photosensitive composition for direct dry negative color printing composition. The photosensitive composition comprises a binder containing a plurality of grains of a...
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5053309 |
Color image-forming process
A color image forming process wherein images are formed by reaction of cyan, magenta and yellow color precursors with a developer material, the reaction is image-wise controlled by image-wise...
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5004674 |
Silver halide photosensitive material
A silver halide photosensitive material comprising a support having thereon a layer containing (a) an organic compound which releases a free radical on contact with light rays and (b) a compound...
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4985331 |
Multi-color recording materials
Multi-color recording materials where the color forming layers are established on the same side of the support are disclosed. The multi-color recording system may be either of: (1) a two-color...
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4970137 |
Process for sensitizing polyacetylenic films
This invention concerns a process of mixing a dispersion comprising a substantially crystalline, image receptive polyacetylenic compound in an aqueous non-solvating binder solutions with an...
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4956251 |
Multicolor heat-sensitive recording material
A multicolor heat-sensitive recording material which comprises a transparent support having two or more of color-producing unit layers differing in hue of the produced color in such a situation...
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4912012 |
Photosensitive recording medium capable of image contrast adjustment, and image transfer system operable with the same
A photosensitive recording medium having a multiplicity of microcapsules formed on a substrate, and a developer material, each microcapsule having a photosensitive resin and a chromogenic material...
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4845021 |
Method for recording optical information in optical high density recording mediums
An optical recording medium which comprises a substrate and a recording layer of at least two J-aggregates of dyes formed on the substrate is described. The dyes may be photochromic dyes or other...
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4824770 |
Continuous tone color imaging using laser or light emitting diode sources
A process for producing a continuous tone color image comprising providing a light sensitive photographic element comprising a substrate bearing three imaging media coated thereon, said imaging...
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4758502 |
Photographic contrast masking with a photochromic body
A contrast mask for a transparent photographic original may be formed by illuminating a photochromic body (11,41) through the original with white light. Preferably the photochromic body (11,41) is...
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4725527 |
Photosensitive compositions for direct positive color photography
The invention relates to a photosensitive composition for direct positive color photography. The photosensitive composition comprises a binder containing a plurality of grains of a semiconductor...
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4705741 |
Processless color imaging and film therefor
The invention relates to a multilayered image receptive film developed in distinguishable colors by kinetic energy imparted by radiant beam exposure which comprises (a) a first imaging layer...
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4705742 |
Processless multicolor imaging
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...
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4702996 |
Method of enhancing the contrast of images and materials therefor
The image of an object with opaque and transparent regions having a contrast lens than the contrast threshold of a layer of photoresist when light of a predetermined wavelength to which the...
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4663275 |
Photolithographic method and combination including barrier layer
Photolithographic methods employing a photoresist layer and a contrast enhancing photobleachable layer deposited thereon have certain disadvantages including compatibility and the tendency toward...
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4460676 |
Non-impact single and multi-ply printing method and apparatus
Method and apparatus are described for non-impact printing of single and multi-ply business form assemblies, utilizing an electromagnetic radiation reactant chemical mixture which is selectively...
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4368254 |
Non-silver light-sensitive composition
A non-silver light-sensitive composition according to the invention consists of the following components, in percent by weight; TBL ______________________________________ a hydroxyderivative of...
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4291109 |
Additive color imaging using a silverless recording element
Disclosed herein is a method and apparatus for producing color transparencies on a recording element comprising an additive color filter screen having disposed thereon a coating of a visible...
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4225661 |
Photoreactive coating compositions and photomechanical plates produced therewith
A photoreactive coating composition, particularly suited for use in a lithographic plate, is characterized by both reduced exposure time requirements and an intense visual image which is...
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RE29748 |
Dry working black image compositions comprising organic halogen compounds and ethylene compounds
This application describes a photosensitive composition which prints out directly as a black or near neutral image when exposed photographically and which has a greatly improved speed.
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3926630 |
Production of positive colour images utilizing a photographic material containing a spiropyran compound and a polyhalogen compound
A photosensitive recording material containing a photosensitive dye-forming composition comprising: 1. as dye precursor compound at least one spiropyran compound, and 2. at least one ultra-violet...
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3923514 |
Method for the preparation of relief printing masters
Disclosed is a process for the preparation of relief printing masters. The method involves exposing to activating radiation in an imagewise manner a printing plate comprising a substrate having a...
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3887808 |
Thermoimaging process utilizing a photochromic material containing a spiropyran, a polyhalogenated hydrocarbon, a thiol compound and a polyvinylcarbazole
A process for forming a dye image comprising the image-wise heating in the presence of minor amounts of visible light of a recording material containing an intimate mixture comprising: 1. at least...
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3620739 |
PHOTOGRAPHIC PROCESS AND ELEMENT FOR THE PRODUCTION OF ADD-ON IMAGES
Photographic add-on images are prepared by overcoating a hydrophilic colloid layer having an image therein with a hydrophobic light-sensitive layer to prepare a photographic element, imagewise...
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3619194 |
NOVEL LIGHT-ABSORBING LAYERS FOR PHOTOGRAPHIC ELEMENTS CONTAINING SUBSTITUTED 1-AMINOPYRIDINIUM DYES
Novel light-absorbing photographic layers containing substituted l-aminopyridinium dyes are described. These layers are useful as filter and antihalation layers in photographic elements.
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3527517 |
BIS-INDOLYL-ARYL-METHANE LIGHT SENSITIVE COMPOSITIONS
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3511658 |
PHOTOGRAPHIC REPRODUCTION MATERIALS
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3510305 |
PHOTOGRAPHIC UNSHARP MASKING METHOD INVOLVING THE USE OF A PHOTOCHROMIC BODY
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3510308 |
LIGHT SENSITIVE COMPLEXES OF BENZOINDOLINOSPIROPYRANS AND HALIDES OF GROUP II-B METALS
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3281242 |
Multigeneration photographic printing
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2931296 |
Processing of molecularly oriented sheets of transparent, linear, high molecular weight, hydroxyl-containing polymers to improve the dyeing qualities thereof
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3764319 |
Title is not available
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3666466 |
Title is not available
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3764320 |
Title is not available
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3598583 |
Title is not available
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3704127 |
Title is not available
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