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3887378 Image recording and receiving materials  
An image reproduction material for producing copies in a dry way comprising a layer which contains a substantially light-insensitive silver salt, a reducing agent and a toner, characterized in...
3847612 LIGHT-SENSITIVE HEAT-DEVELOPABLE SHEET MATERIAL  
Dust formation is avoided and dense black images are obtained during heat development of exposed dry silver sheet materials by employing a synergistic combination of individually ineffective toner...
3840385 METHOD OF FORMING COLORED COPY OF AN ORIGINAL  
A copying method comprising the steps: spreading a fine silica or alumina powder having absorbed thereon a reactive substance A, which can form a colored substance by heating in contact with a...
3816137 AMINO HYDROXY CYCLOALKENONE SILVER HALIDE DEVELOPING AGENTS  
Photographic silver halide developing agents which are amino hydroxy cycloalkenone compounds having a five or six member cycloalkene nucleus provide increased development activity, e.g. reduced...
3816131 PHOTOGRAPHIC DRY COPYING PROCESS  
Certain halogenated methine dyes make improved sensitizers for light-sensitive photographic layers containing the sensitizer and an image-producing compound capable of transfer at 80°-200°C. to an...
3816139 THERMOGRAPHIC COPY SHEET CONTAINING PHTHALIMIDE  
A thermographic copy sheet is formed with phthalimide toner in combination with a metal salt such as a silver salt, and a material which forms a colored product when reacted with the metal salt.
3802888 LIGHT-STABLE SHEET MATERIAL FOR RECORDING LIGHT-IMAGES  
Sheet material which initially is unaffected by exposure to light is rendered light-sensitive upon brief heating and thereafter upon being exposed to a light-image followed by further limited...
3798039 COPY SHEET CONTAINING SILVER SOAP AND AN ORGANIC PEROXYGEN OXIDIZING COMPOUND  
An organic peroxygen oxidizing compound is incorporated in a silver soap containing white copy sheet of a two-sheet system to enhance the image contrast and reduce coloring of background areas.
3769019 LIGHT AND HEAT SENSITIVE SHEET MATERIAL  
Photosensitive sheet material is described which produces sharply defined dense images on a transparent background simply by exposure to a light-image followed by heating.
3767414 THERMOSENSITIVE COPY SHEETS COMPRISING HEAVY METAL AZOLATES AND METHODS FOR THEIR USE  
Copy-sheets containing heavy metal azolates, such as silver imidazolates, are imaged by heating with a reducing agent applied in image-forming pattern. Colored images are then produced in...
3753395 PHOTO-THERMOGRAPHIC RECORDING PROCESS WITH 5-PYRAZOLANE  
A photosensitive recording material containing a pyrazolin-5-one reducing agent having at least one hydrogen atom in its 4-position in chemical interreactive relationship with a photoreducible dye...
3661574 A PHOTOGRAPHIC PROCESS WITH AN AMINE METAVANADATE  
There is described photosensitive elements which employ as the photosensitive component organic amine metavanadates and processes of producing photographic images and reliefs with these...
3660093 DRY AZIDO THERMAL DIFFUSION COPYING PROCESS  
Positive copies are produced by a dry heat transfer process, whereby an imagewise exposed light-sensitive layer containing an organic azido compound is heated to transfer the azido compound from...
3653907 THERMOGRAPHIC COPY SHEET CONTAINING 2,6,DICYCLOHEXYL  
The presence of 2,6, dicyclohexyl cresol in a reducible silver salt-based thermo copy sheet improves the density and contrast of the image areas.
3649098 SELF-RETAINING FIBER OPTIC LENS  
In a preferred form, this disclosure relates to a lens structure of a fiber optic assembly and which is adapted to be detachably connected to an apertured panel. The lens structure comprises a...
3615510 SILVER HALIDE COMPLEXING AGENTS  
Photographic silver halide can be stabilized with certain organic sulfonium, organic sulfoxonium, organic ammonium, organic phosphonium, organic boronium, and/or organic siliconium halides of...
3547648 COPY-SHEET  
3522047 THERMOGRAPHICALLY USEFUL LIGHT SENSITIVE IMAGE-YIELDING MATERIAL CONTAINING FINELY DIVIDED SULFUR PARTICLES  
3764329 HEAT ACTIVATED DRY SILVER  
3694204 DIFFUSION TRANSFER PRODUCT HAVING HEAT ACTIVATABLE PROCESSING SYSTEM AND AN OPACITY PROVIDING LAYER  
3806342 COMPOSITE DIFFUSION TRANSFER PHOTOGRAPHIC PRODUCT AND PROCESS  
3690884 PHOTOGRAPHIC DRY COPYING PROCESS  
3810760 PHOTOGRAPHIC DRY COPYING PROCESS WITH ACYLACETONITRILE  
3824101 DIAZO-TYPE MULTICOLOR REPRODUCTION PROCESS  
3715213 DIAZO-TYPE MULTICOLOR REPRODUCTION  
3674479 PHOTOGRAPHIC DRY COPYING PROCESS  
3674480 PHOTOGRAPHIC DRY COPYING PROCESS  
3764321 PHOTOGRAPHIC DRY COPYING PROCESS WITH A NEUTROSTYRYL DYE  
3667959 PHOTOSENSITIVE AND THERMOSENSITIVE ELEMENT,COMPOSITIONS AND PROCESS  
3764322 PHOTOGRAPHY DRY COPYING PROCESS WITH A MEROCYANINE DYE  
4503137 Image-forming process  
A process for imagewise forming a mobile dye, which comprises heating, after or simultaneously with image exposure, a light-sensitive material having on a support a photosensitive silver halide, a...
3725066 DIAZO-TYPE MULTICOLOR REPRODUCTION PROCESS  
3728115 PHOTOGRAPHIC DRY COPYING MATERIAL  
3484238 PHOTOGRAPHIC ELEMENT AND DIFFUSION PROCESS  
3476578 THERMOGRAPHIC METHOD FOR PRODUCING THERMOSTABLE PRINTS  
3476937 THERMOGRAPHIC RECORDING METHOD EMPLOYING A RECORDING MATERIAL COMPRISING A UNIFORM LAYER OF DISCRETE HYDROPHOBIC THERMOPLASTIC POLYMER PARTICLES  
3471309 THERMAL COPYING PROCESS WITH LIGNIN REACTION IN COPY SHEET  
3460946 IMAGE RECEPTOR SHEETS CONTAINING ORGANIC SILVER SALTS AND METAL ION IMAGE  
3438776 NON-AQUEOUS SILVER HALIDE PHOTOGRAPHIC PROCESS  
3427159 DIFFUSION TRANSFER PROCESS UTILIZING HEAT TRANSFER  
3418149 Thermographic copy process  
3409430 Method of making copies by diffusion transfer  
3404994 Thermographic copying process utilizing recording member with dispersed oil particles  
3397983 Photographic materials producing a color change by reacting a metal salt with tetrahydroquinoline  
3379532 Image receiving sheet with a double pvahygroscopic salt layer coating  
3377165 Process of copying utilizing a blush lacquer coating and a photodecomposable progenitor of a plasticizer  
3348946 Non-aqueous sil ver halide photographic emulsion processing  
3348945 Heat developable light-sensitive photographic material  
3346382 Process and materials for the production of non-laterally reversed images by heat development  
3335006 Heated diffusion transfer using leucophthalocyanines