Patents
Sitemap › G03 - Photography; Cinematography; Analogous techniques using waves other than optical waves; Electrography; Holography › G03F - Photomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices; Materials therefor; Originals therefor; Apparatus specially adapted therefor › G03F 3 - Colour separation; Correction of tonal value
Patents for G03F 3 - Colour separation; Correction of tonal value (5,370)
10/1991
10/15/1991US5057931 Tonal conversion method of pictures for producing reproduced pictures free of color-fog
10/11/1991CA2038177A1 Aqueous processable photosensitive element
10/11/1991CA2037803A1 Improved elastomeric layer for multilayer tonable photosensitive elements
10/09/1991EP0449886A1 Humidity-resistant proofing toners with low molecular weight polystyrene
10/08/1991US5055375 Method of image formation using heated rollers
10/08/1991US5055365 Image reversal process with reusable photoconductor; proofs produced on printing stock paper
10/08/1991US5055329 Image-receiving sheet material and process for the formation of a transferred image
10/02/1991EP0449013A2 Image reader using CCD line sensors
10/01/1991US5053888 Method of and apparatus for establishing highlight and shadow densities
10/01/1991US5053381 Dual laminate process for thermal color proofing
10/01/1991US5053313 Process for performing pre-press color proofing processes
10/01/1991US5053310 Negative working diazo resin color proofing material comprising polyvinyl acetal/polyvinyl, alcohol/polyvinyl acetate resin
09/1991
09/25/1991EP0448387A2 Partially translucent white film having a metallized surface
09/25/1991EP0447829A2 Coloured positive working light sensitive recording material and process for the production of a colour proofing image using this material
09/23/1991CA2035849A1 Partially translucent white film having a metallized surface
09/18/1991EP0446914A2 Method for electronic color processing
09/18/1991EP0446820A2 Polyolefine backside coating for photosensitive reproduction element
09/17/1991US5049476 Photopolymerizable, positive working, peel developable, single sheet color proofing system
09/17/1991CA2037827A1 Method for electronic color processing
09/14/1991CA2037804A1 Polyolefin backside coating for photosensitive reproduction element
09/11/1991EP0445450A1 Image processor mepping source pixel intensities to a limited range of display intensity values
09/06/1991CA2037492A1 Colored positive-working photosensitive recording material and a process for the production of a color test image using this material
09/04/1991EP0445066A2 Method for preparing polychromatic printing plates
09/03/1991US5045931 Method of and apparatus for recording halftone images and halftone images produced thereby
09/03/1991US5045524 Yellow dye mixture for thermal color proofing
09/03/1991US5045392 Gelatin hardened with formaldehyde
08/1991
08/29/1991CA2037265A1 Image-forming material and process for forming images
08/28/1991EP0443802A2 Production of pre-press colour proofs
08/27/1991US5043317 Yellow dye mixture for thermal color proofing
08/27/1991US5043247 Multicolor, silver halide emulsion hydrophilic colloid on temporary support; hardening, development after transferred to other support; multilayer relief images
08/21/1991EP0442699A2 A colour separation scanner
08/20/1991US5041413 Azo and pyrazolone dyes; accuracy
08/20/1991US5041412 Yellow dye mixture for thermal color proofing
08/20/1991US5041411 To approximate hue match
08/14/1991CN1053847A Overlay proofs comprising precolored and toned images
08/13/1991US5039590 Developing and lamination
08/06/1991WO1991011752A1 Overlay proofs comprising precolored and toned images
08/06/1991US5037799 Dispersion in a polymeric binder on a support
08/06/1991CA2075199A1 Overlay proofs comprising precolored and toned images
08/01/1991WO1991011877A1 Image handling
07/1991
07/23/1991US5034301 Recording medium
07/17/1991EP0437343A2 Photopolymerizable, positive working, peel developable, single sheet colour proofing system
07/17/1991EP0437015A2 Positive working, peel developable, colour proofing system having two photosensitive layers
07/11/1991CA2033703A1 Photopolymerizable, positive working, peel developable, single sheet color proofing system
07/08/1991CA2019149A1 Positive working, peel developable, color proofing system having two photosensitive layers
07/04/1991DE4040468A1 Bis:cationic acid amide and imide cpds. - used as charge transfer agents in toner and charge controllers for powder and powder paint
07/03/1991EP0435167A2 Cut mask preparation method and apparatus
07/03/1991EP0435058A2 Layer transfer process for image production and apparatus to perform the process
07/02/1991US5028511 Solid Polyoxyethylene Glycol Photorelease Agent
06/1991
06/29/1991WO1991010172A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/29/1991CA2072560A1 Biscationic acid amide and acid imide derivatives as charge controllers
06/25/1991US5027196 Method of and apparatus for simulating object image to be printed
06/25/1991US5026679 Accuracy in representing hues
06/24/1991CA2032698A1 Layer transfer process for image production and apparatus to perform the process
06/19/1991EP0432981A2 Method for transferring an image and apparatus therefor
06/19/1991EP0432713A2 Process for the preparation of images on tonable light-sensitive layers
06/19/1991EP0432712A1 Process for the preparation of images on tonable light-sensitive layers
06/18/1991US5024990 Accuracy
06/16/1991CA2032052A1 Process for the preparation of images of tonable, light-sensitive layers
06/16/1991CA2032051A1 Process for the preparation of images of tonable, light-sensitive layers
06/12/1991CA2031837A1 Method for transferring an image and apparatus therefor
06/11/1991US5023229 Mixture of dyes for magenta dye donor for thermal color proofing
06/04/1991US5021112 Process of multicolor printing by laser
05/1991
05/29/1991EP0428790A1 Image reproducing method
05/28/1991US5019860 Apparatus for image formation and method of image formation
05/28/1991US5019858 Photographic printer
05/28/1991US5019536 Lower gloss protective covering
05/28/1991US5019484 Overlapping exposure
05/28/1991US5019471 Multicolor image product
05/21/1991US5018008 Method of and appartus for setting color separation
05/15/1991CN1051435A Image-reversal process using photosensitive peel-apart elements
05/14/1991US5016097 Method of obtaining monochromatic image from color original through color image recorder
05/08/1991EP0426113A2 Method of and apparatus for recording colour image
05/07/1991US5014086 Adjustable dot gain simulation for color proofing
05/07/1991US5013633 Method for developing a silver halide color photographic light-sensitive material for color proof using a specified color developing agent
05/02/1991WO1991006173A1 Device for making a printing film or colour separation film by means of a drum scanner
05/02/1991EP0424920A2 Method of and apparatus for obtaining tone curve
05/02/1991DE3936127A1 Optical element selection device for colour electrographic copier
04/1991
04/30/1991US5010814 Method of non-overlap halftone-dot printing of colored original on cylindrical container outer surface
04/24/1991CN1050934A Transformation method of picture grey scale for use in the production of copying picture without bias colour
04/23/1991US5010398 Method for colour correction by dry dot etching using photographically produced mask
04/16/1991US5008174 Forming colored image using photosensitive element with mixture of binders and adhesive layer which dissolves one
04/10/1991EP0421381A2 A method for transferring images and an apparatus used therefor
04/05/1991CA2026848A1 Method for transferring images and an apparatus used therefor
04/03/1991EP0420817A1 Photographic colour copier and method of controlling illumination
04/03/1991EP0420675A2 Low gain pre-press proofs
04/02/1991US5004668 Composite matting agent particles
03/1991
03/29/1991CA2024273A1 Low gain pre-press proofs
03/26/1991US5003381 Method and apparatus for point-by-point reproduction of an original
03/26/1991US5002850 Acrylic Polymer
03/19/1991US5001037 Method of making overlay proofs comprising precolored and toned images
03/19/1991US5001036 Multi-layer peel-apart photosensitive reproduction element containing a photorelease layer
03/19/1991US5001034 Image transfer method
03/19/1991US5000570 Optical system for stagger compensation in an optical scanner
03/14/1991DE3929559A1 Producing masks for tone value correction - exposing photosensitive mask film to various combinations of positive and/or negative colour separations in sequence and developing
03/12/1991US4999266 Protected color image on substrate with thermal adhesive and antiblocking overlayers
03/12/1991US4998962 Printing method and printed product
03/08/1991WO1991004517A1 Toning method and member for electrostatography
03/08/1991CA2065275A1 Toning method and member for electrostatography
03/06/1991CN1049723A Converter technique for picture level
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