| Patents for G03F 3 - Colour separation; Correction of tonal value (5,370) |
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| 05/23/1990 | EP0369669A2 Masking films |
| 05/23/1990 | EP0369243A2 Method of and apparatus for recording halftone images |
| 05/22/1990 | US4928167 Method of and apparatus for executing tone correction on an image according to a correction level |
| 05/18/1990 | CA2003290A1 Masking films |
| 05/15/1990 | US4926254 Method of correcting color image data for obtaining proof image |
| 05/15/1990 | US4925767 Continuous non-photosensitive layer of hardened gelatin |
| 05/09/1990 | EP0367617A2 Coloured images |
| 05/09/1990 | EP0214236B1 Method of forming a pressure sensitive image transfer sheet and the product thereof |
| 05/08/1990 | US4923780 Exposing multilayer photosensitive element to actinic radiation of limited wavelengths |
| 05/02/1990 | EP0366427A2 Image processing |
| 05/02/1990 | CA2001640A1 Coloured images |
| 05/01/1990 | US4921776 Method of providing lower gloss protective covering for pre-press color proof |
| 04/25/1990 | EP0365362A2 Negative working, peel developable, single sheet color proofing method |
| 04/25/1990 | EP0365361A2 Pigment transfer to photopolymerizable positive-working imaging system |
| 04/25/1990 | EP0365360A2 Color proofing system having a graduated layer of resins with different solubilities |
| 04/25/1990 | EP0365359A2 A method for forming a colored image on a degradable sheet material |
| 04/25/1990 | EP0365358A2 Preparation of receiver sheet materials for peel developable, single sheet color proofing system |
| 04/25/1990 | EP0365357A2 Negative-working, photo-polymerizable color proofing film without triplet oxygen quenching |
| 04/25/1990 | EP0365356A2 Nolid transfer negative- or positive- working color proofing method |
| 04/25/1990 | EP0365355A2 Transferrable, thermoplastic, antiblocking/adhesive protecting layer |
| 04/25/1990 | EP0365354A2 Solid transfer negative - or positive - working color proofing method on diverse paper stocks |
| 04/24/1990 | US4920036 Anionic pigment, cationic polymer, azide-type and quinone diazide-type photosensitive agents, michler*s ketone; free of color-fogging |
| 04/21/1990 | CA2001149A1 Solid transfer negative-or positive-working color proofing method |
| 04/21/1990 | CA2000857A1 Color proofing system having a graduated layer of resins with different solubilities |
| 04/21/1990 | CA2000712A1 Negative-working, photopolymerizable color proofing film without triplet oxygen quenching |
| 04/21/1990 | CA2000461A1 Solid transfer negative - or positive - working color proofing method on diverse paper stock |
| 04/21/1990 | CA2000385A1 Method for forming a colored image on a degradable sheet material |
| 04/21/1990 | CA2000381A1 Negative working, peel developable, single sheet color proofing method |
| 04/21/1990 | CA2000375A1 Preparation of receiver sheet materials for peel developable, single sheet color proofing system |
| 04/17/1990 | CA1267805A1 Method of forming a pressure sensitive image transfer sheet and the product thereof |
| 04/11/1990 | EP0362980A2 Low cost color scanner |
| 04/10/1990 | US4915995 Index marking article for superposed sheets |
| 04/03/1990 | US4914039 Water developable, negative working overlay or transfer type diazo color proofing system |
| 03/28/1990 | EP0359869A1 Method for colour correction by dry dot etching using photographically produced mask |
| 03/27/1990 | US4912568 Halftone dot image recording apparatus and method employing high density screen pattern signal for light beam modulation |
| 03/21/1990 | EP0359060A2 Photopolymerisable mixture, recording material manufactured therefrom and process for the production of copies |
| 03/20/1990 | US4910120 Lamination; peeling; exposure to actinic radiation |
| 03/14/1990 | CN1007185B Method for prepn. of colour 3-d picture for printing |
| 03/13/1990 | US4908712 Method for tone reproduction in image forming system |
| 03/07/1990 | EP0357325A2 Positive working color proofing system comprising polyvinyl acetal/polyvinyl alcohol/polyvinyl acetate resin |
| 03/07/1990 | EP0357324A2 Optical brightener containing positive working color proofing system |
| 03/07/1990 | EP0357177A2 Method and apparatus for color separation scanning |
| 03/07/1990 | EP0188460B1 Graphic arts imaging constructions using vapor-deposited layers |
| 03/06/1990 | US4907077 Method and apparatus for white balancing |
| 02/28/1990 | EP0356328A2 Tonal conversion method for pictures |
| 02/28/1990 | EP0355219A1 Optical system for stagger compensation in an optical scanner |
| 02/22/1990 | DE3828373A1 Process for the production of a coloured image by stepwise application of a plurality of coloured layers |
| 02/20/1990 | US4903138 Method of and apparatus for eliminating interblock distortion due to compressed image data |
| 02/20/1990 | US4902594 Transferrable, thermoplastic, antiblocking/adhesive protecting layer for images |
| 02/20/1990 | US4902363 Method using compressible temporary support for transfer layer |
| 02/14/1990 | EP0354490A2 Method of and apparatus for setting color separation rules |
| 02/13/1990 | CA1265697A1 Photopolymerizable color proofing films |
| 02/06/1990 | US4899214 Low cost color scanner |
| 01/31/1990 | EP0353121A1 Method for multicolour printing by laser |
| 01/24/1990 | EP0352055A2 Photopolymerizable, positive working, peel developable, single sheet color proofing system |
| 01/23/1990 | US4896146 Color image processor |
| 01/23/1990 | US4895787 Photopolymerizable positive working, peel developable, single sheet color proofing system |
| 01/17/1990 | EP0350870A2 Method of simulating object image to be printed |
| 01/16/1990 | US4893558 Image reproduction |
| 01/11/1990 | WO1990000267A1 Apparatus and method for producing color corrected reproduction of coloured original images |
| 01/10/1990 | EP0350195A2 Apparatus for image formation and method of image formation |
| 01/10/1990 | EP0349562A1 Process and means for performing print processes using copying technology. |
| 01/03/1990 | CN1038525A Color filter array for liquid crystal display device |
| 12/28/1989 | WO1989012848A1 Method of making a mask for discriminating a fragment of image |
| 12/27/1989 | CA1264023A1 Electrophotographic color proofing method |
| 12/26/1989 | US4889794 Method of changing the density of image on simple color proof using a randomly dotted half tone mask |
| 12/26/1989 | US4889787 Low gain positive acting diazo oxide pre-press proofing system with polyvinyl ether and particulate slip agent in adhesive layer |
| 12/20/1989 | CN1006146B Improved color reproduction process |
| 12/14/1989 | WO1989012252A1 Pre-press color proof system having improved tonal range in highlight areas (pin dot detail) |
| 12/05/1989 | US4885225 Light sensitive diazo resin, soluble in solvent developing medium; water insoluble barrier layer |
| 11/29/1989 | EP0343984A2 Color filter array for liquid crystal display device |
| 11/28/1989 | US4884130 Method of describing a color in a triaxial planar vector color space |
| 11/08/1989 | EP0340603A2 Color image production method |
| 11/07/1989 | US4879594 Reproduction of colored images |
| 11/07/1989 | US4879267 Creating artwork with chromogen-containing materials; developing color to enhance halftone or full color photographic reproduction |
| 11/02/1989 | EP0340033A2 A method of describing a color in a triaxial planar vector color space |
| 11/02/1989 | EP0339860A2 Low gain positive pre-press proofing system |
| 10/31/1989 | US4877712 Image forming process |
| 10/31/1989 | US4877697 Color filter array for liquid crystal display device |
| 10/25/1989 | EP0338786A2 Water developable, negative working overlay or transfer type color proofing system |
| 10/25/1989 | EP0221131B1 Bimodal digital image processing method |
| 10/11/1989 | EP0336365A2 Method of and apparatus for eliminating interblock distortion due to compressed image data |
| 10/10/1989 | CA1262286A1 Matching hardcopy color to display color |
| 10/05/1989 | DE3835875A1 Verfahren zur herstellung von farbpruefbildern Process for the preparation of color proofs |
| 10/04/1989 | EP0335419A2 Method of and apparatus for establishing highlight and shadow densities |
| 09/27/1989 | EP0281659B1 Method and apparatus for white-level adjustment |
| 09/27/1989 | EP0217792B1 Exposure latitude improvements in printing proofs |
| 09/26/1989 | US4870455 Pre-press color proof system having improved tonal range in highlight areas (pin dot detail) |
| 09/26/1989 | US4869996 Process for preparing negative images on a positive-type tonable photosensitive element |
| 09/26/1989 | US4869993 Optical brightener containing positive working color proofing system |
| 09/26/1989 | CA1259848A1 Method for forming a multicolored image |
| 09/26/1989 | CA1259847A1 Method for forming a multicolored image |
| 09/20/1989 | EP0332696A1 Electronic reproduction apparatus with highlighting color |
| 09/19/1989 | US4868884 Image extraction mask |
| 09/05/1989 | US4864392 Image processing apparatus for logarithmically converting an image input signal into a density signal and standardizing the input range of the image input signal with the same conversion table |
| 08/23/1989 | EP0328787A1 Process for the production of photographic masks |
| 08/23/1989 | CN1035006A Photo hardening electrostatic printing mould containing eletron donor and donee |
| 08/23/1989 | CN1035005A Photo-hardening electrostatic printing mould with improved umkehr effect and electricity erasing ability |
| 08/22/1989 | CA1258602A1 Process for the production of multicolor proofs using precolored toning film |
| 08/16/1989 | EP0327883A2 Single coating positive or negative working color proofing system |