Matches 251 - 300 out of 310 < 1 2 3 4 5 6 7 >
Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
3547630 PHOTOGRAPHIC REPRODUCTION  
3515547 TRI LAYER PHOTOGRAPHIC FILM WITH A VESICULAR LAYER AND PROCESS  
3498786 VESICULAR MATERIALS AND METHODS OF USE  
3482973 IMAGING SYSTEM  
3440046 LIGHT INDUCED IMAGING OF SELENIUM IN THE PRESENCE OF CADMIUM OR MERCURY VAPORS  
3342623 Heat-sensitive elements for use in thermography  
3298833 Method for storing information  
3252796 Visicular-type photographic process and the preparation of materials for such  
3251690 Vesicular materials and the use of such to produce photographic reproductions  
3241960 Method for making vectographs  
3236717 Pressure resistant heat-sensitive copying sheets  
3215529 Color photographic material  
3212896 Dry processing of photographic emulsions  
3194660 Reflex copying method  
3183091 Vesicular photographic film material and process for utilization of same  
3181965 Heat-sensitive copying sheet and method of making  
3171744 Method of forming latent and visible vesicular images in refractive image films  
3161511 Methacrylonitrile vehicle for vesicular photography and method of using same  
3149971 Method for improving gradation of light scattering photographic materials  
3120437 Vesicular photographic reproduction process utilizing a volatile liquid modifying agent  
3091532 Vesicular image photography process with polyketone photographic films  
3037862 Crystalline polyolefin base for photosensitive material  
3032414 System of photographic reproduction  
2996381 Photographic materials and procedures for using same  
2911299 System of photographic reproduction  
3552962 Title is not available  
3689264 Title is not available  
3682642 Title is not available  
Matches 251 - 300 out of 310 < 1 2 3 4 5 6 7 >