Matches 251 - 300 out of 349 < 1 2 3 4 5 6 7 >
Match Document Document Title
3704066 REFLEX EXPOSURE MEDIUM  
An exposure medium for producing a reflex exposure of an original image onto a photosensitive surface including a transparent conductive member adapted for positioning proximate to the original...
3698295 METHOD FOR MORE BRILLIANT COLOR PICTURE PRESENTATION  
Method of reproducing individual pictures or multiples thereof. A non-luminescent surface is placed next to a background light reflecting surface and next to the non-luminescent surface a daylight...
3673450 ELECTROLUMINESCENT TECHNIQUES AND DEVICES  
New electroluminescent techniques and devices are disclosed which render a product that is more commercially saleable, reliable, and economically feasible than heretofore was the case in the art. A...
3671451 FLUORESCENT COMPOSITIONS  
Compositions useful for imparting fluorescent properties to surfaces comprising at least one compound of the formula: ##SPC1## Wherein R 1 and R 2 represent individually alkyl of 1-18 carbons; R...
3650752 WHITENED PHOTOGRAPHIC PRINTING PAPER  
A photographic printing paper comprising a support having thereon a light-sensitive silver halide emulsion layer containing a water-soluble fluorescent brightening agent and a partially urethanated...
3649269 METHOD OF FORMING FLUORESCENT SCREENS  
A method of forming a fluorescent screen on the surface of a substrate, comprising the steps of: applying a layer of a fluorescent substance and a resin binder onto one side of a film sheet which...
3630738 BRIGHTENING AGENTS  
Thiazolo(5,4-d)thiazoles substituted with polycyclic aromatic groups or heterocyclic groups either directly onto the 2- and 5-positions or onto the 2- and 5-positions through conjugated linking...
3619049 XEROGRAPHIC IMAGERY USING A LONG PERSISTENCE PHOSPHOR INTERMEDIATE  
Apparatus for placing an image on a photoreceptor by exciting a phosphorescent intermediate which then contacts the photoreceptor causing an image in the pattern of the excited phosphors on the...
3591283 ELECTROPHOTOLUMINESCENT PRINTING PROCESS  
Systems employing electrophotoluminescent panels to obtain reproductions of originals, which systems include the steps of exciting a layer of an electrophotoluminescent material optically and with...
3550095 LUMINESCENT MEMORY AND DISPLAY DEVICE  
3527652 METHOD OF PRODUCING A PHOSPHOR DOT SCREEN FOR A COLOR PICTURE TUBE BY AN ELECTRON BEAM PRINTING  
3520682 PHOTOGRAPHIC MOUNTING PROCESS AND PRODUCT  
3513102 FLUORESCENT COATINGS  
3510348 DIRECT POSITIVE RECORDING FILM  
3507655 PLASTIC MARKING PROCESS  
3499762 PHOTOGRAPHIC ELEMENTS COMPRISING NOVEL U.V.-ABSORBING OPTICAL BRIGHTENING AGENTS  
3493748 METHOD AND APPARATUS FOR PRODUCING COLORED RADIOGRAPH  
3491235 ORGANIC SCINTILLATING LAYER IN A PHOTOGRAPHIC ELEMENT  
3484753 INFORMATION REPRODUCING APPARATUS  
3475172 FLUORESCENT BRIGHTENING COMPOSITIONS  
3467951 ELECTRON BEAM RECORDING AND READOUT PROCESS FOR INFORMATION STORAGE AND RETRIEVAL  
3418127 Method of making fluorescent coating for photographic elements  
3418470 Recording medium utilizing grain-free fluorescent material  
3406070 Process for the manufacture of optically brightened photographic material  
3401595 Scale factor correction device  
3375111 PREPARATION OF PRINTING PLATES AND CYLINDERS WITH RESIST-FORMING FILM USED DIRECTLY IN A CAMERA  
3359419 Radiographic nondestructive testing method  
3357024 Method of recording a gas flow pattern  
3334229 Recording method and member of x-ray images and means for displaying said images  
3330682 Method of making a cathode ray tube  
3311918 Method for exposing photosensitive material  
3310703 Electroluminescent device and photoresist method for making the same  
3303341 Method and construction for recording and retrieving information with an electron beam  
3300311 Chi-ray intensifying screens employing a water soluble copolymer of alkyl acrylate and acrylic acid  
3282697 Transparent intensifier foils for use with photographic materials for recording x-rays, gamma-rays or corpuscular rays  
3278302 Phosphorescent screen reflex  
3269840 Method and material for surface brightening layers containing gelatin as the binding agent using anionic water-soluble diaminostilbene fluorescent compounds  
3238859 Electroluminescent photocopying  
3226228 Method and apparatus for producing a controlled pattern of ultraviolet radiation from that at higher wave lengths  
3226233 Photosensitive compositions containing leucocyanides of triphenylmethane dyes  
3218298 Polymaleic acid and alkali and alkaline earth metal salts of said acid and process of making same  
3205071 Method and apparatus for copying representations  
3193536 Process for the production of fluorescent polymers  
3181950 Method for optical bleaching of coated photosensitive papers and resultant product  
3181948 Method for optical bleaching of coated papers and resultant product  
3181949 Light sensitive elements having optical bleaching compositions coated thereon  
3179949 Oscillograph utilizing belt coated with fluorescent substance  
3179519 Method of making gravure relief images  
3174857 Edge isolation of photographic imagery  
3166998 Photographic dodging method and apparatus  
Matches 251 - 300 out of 349 < 1 2 3 4 5 6 7 >