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4004924 |
Thermorecording
A process for reproducing an original having visible light absorptive image markings on a light transparent background by exposing to visible light passing through the original a normally...
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4001017 |
Process for the photopolymerization of ethylenically unsaturated compounds
In photopolymerization, the polymerization process is activated or initiated by radiation, for example in the region of ultraviolet or visible waves. According to the present invention...
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3992206 |
Method of making lenticular surfaces
Lenticules of predetermined optical power and size are formed photographically in the emulsion of a photographic film. An emulsion is exposed to a target having a profile mathematically related to...
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3977875 |
Method for modifying vesicular images
A method for modifying vesicular images into non-scattering images is provided, which comprises opening the closed bubbles of the vesicular image to form an open-bore image by allowing at least one...
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3953620 |
Producing integrated optical circuits
A technique for the fabrication of integrated optical circuits is described wherein a transparent polymer film, which is doped with a polynuclear aromatic thiol having higher index of refraction...
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3951520 |
Color imaging using the Christiansen effect
A Christiansen cell is formed using a dispersion of two immiscible condensed phases having different optical dispersion curves, but with matching refractive indices in the vicinity of the visible...
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3948660 |
Method for the manufacture of fresnel lenses using light-sensitive materials
In a method of forming a Fresnel lens from a body of light-sensitive material of the type which undergoes changes in its optical path-length when exposed to light, the step of exposing each portion...
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3928039 |
Method for modifying vesicular images
Method for modifying vesicular images into nondiffusive images which comprises allowing a liquid consisting of or containing an image substance to penetrate the image material in such a way that it...
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3926638 |
Photopolymerizable compositions comprising monocarboxyl-substituted benzophenone reaction products
Compounds containing a benzophenone or a substituted benzophenone moiety are (a) autophotopolymerizable, (b) photopolymerizable in compositions with another photoinitiator, and (c) photoinitiating...
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3924049 |
Multicolor thermosensitive paper
A multicolor thermally sensitive paper having a supporting substrate with a first coat of material normally of a first color reacting in response to a given quantity of heat to turn into a...
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3915706 |
Imaging system based on photodegradable polyaldehydes
Disclosed is an imaging system based upon the photo induced degradation of certain degradable polyaldehydes containing segments characterized by the formula: ##EQU1## wherein R is H, an alkyl...
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3915704 |
Photoinduced, acid catalyzed degradation of degradable polymers
An imaging method based upon the ultraviolet light induced acid catalyzed degradation of a composition comprising at least one acid degradable polymer of the formula: ##EQU1## WHEREIN R is an...
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3864130 |
Integrated optical circuits
In a process for the production of integrated optical circuits in particular waveguides, radiation-sensitive material is exposed to electromagnetic surface waves. The refractive index of the...
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3816133 |
PROCESS FOR THE PRODUCTION OF PHOTOGRAPHIC IMAGES BY MODIFYING VESICULAR IMAGES
Photographic images are produced by forming in a light-sensitive photographic layer a vesicular image which subsequently is transformed by treatment with a swelling agent for the binder into a...
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3776730 |
TREATMENT OF AN IMAGEWISE EXPOSED AND DEVELOPED SILVER HALIDE EMULSION LAYER CONTAINING A CATALASE ACTIVE OR PEROXIDE ACTIVE CATALYST WITH PEROXIDE
A process for the production of positive photographic images comprising the steps of imagewise exposing a light-sensitive silver salt emulsion layer, photographically developing to form a negative...
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3661589 |
INTERFACIAL VESICULAR PRINT MATERIALS AND METHODS OF PREPARATION
This invention is directed to a method of preparing a light sensitive vesicular imaging film wherein two resin solutions, at the threshold of compatibility but having a common or miscible solvents,...
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3637382 |
PLATES, SHEETING AND FILM OF PHOTOPOLYMERIZABLE COMPOSITIONS CONTAINING INDIGOID DYES
Improved solid or semisolid photopolymerizable layers for use in producing relief printing plates, said layers including a photopolymerizable compound having at least two polymerizable olefinic...
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3635708 |
VESICULAR IMAGING PROCESS
A vesicular imaging method is employed wherein a poly(alkyl acrylate) or a poly(alkyl carbamate) produces a gas upon exposure to actinic light enabling the production of a visible image in the...
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3615491 |
PHOTOGRAPHIC IMAGES
The production of an improved image by first producing an imagewise metallic silver image in a photosensitive layer and then treating the layer with a substance which decomposes at the metallic...
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3615486 |
PHYSICOCHEMICAL RECORDING METHOD
A process is described for recording and reproducing information comprising the steps of imagewise exposing a recording layer comprising a polymeric composition which is photochemically hardenable...
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3615476 |
METHOD FOR RECORDING AND REPRODUCING INFORMATION BY SURFACE DEFORMATION OF A POLYMERIC COMPOSITION
A process is described for recording and reproducing information comprising the steps of imagewise exposing a recording layer comprising a polymeric composition which is photochemically hardenable...
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3607273 |
IMAGE FORMATION BY SELECTIVE FOAM GENERATION
A substrate having a color such that it absorbs a substantial amount of the visible spectrum is covered over with a thin layer of material which foams or expands in response to heat. An...
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3547630 |
PHOTOGRAPHIC REPRODUCTION
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3515547 |
TRI LAYER PHOTOGRAPHIC FILM WITH A VESICULAR LAYER AND PROCESS
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3498786 |
VESICULAR MATERIALS AND METHODS OF USE
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3482973 |
IMAGING SYSTEM
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3440046 |
LIGHT INDUCED IMAGING OF SELENIUM IN THE PRESENCE OF CADMIUM OR MERCURY VAPORS
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3342623 |
Heat-sensitive elements for use in thermography
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3298833 |
Method for storing information
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3252796 |
Visicular-type photographic process and the preparation of materials for such
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3251690 |
Vesicular materials and the use of such to produce photographic reproductions
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3241960 |
Method for making vectographs
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3236717 |
Pressure resistant heat-sensitive copying sheets
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3215529 |
Color photographic material
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3212896 |
Dry processing of photographic emulsions
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3194660 |
Reflex copying method
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3183091 |
Vesicular photographic film material and process for utilization of same
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3181965 |
Heat-sensitive copying sheet and method of making
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3171744 |
Method of forming latent and visible vesicular images in refractive image films
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3161511 |
Methacrylonitrile vehicle for vesicular photography and method of using same
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3149971 |
Method for improving gradation of light scattering photographic materials
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3120437 |
Vesicular photographic reproduction process utilizing a volatile liquid modifying agent
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3091532 |
Vesicular image photography process with polyketone photographic films
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3037862 |
Crystalline polyolefin base for photosensitive material
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3032414 |
System of photographic reproduction
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2996381 |
Photographic materials and procedures for using same
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2911299 |
System of photographic reproduction
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3552962 |
Title is not available
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3689264 |
Title is not available
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3682642 |
Title is not available
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