| Patents for B41N 3 - Preparing for use or conserving printing surfaces (3,811) |
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| 01/13/1994 | DE4322494A1 Photo litho plate development appts. - measures concn. of rubber soln. and plate etching medium for top-up of water or medium as required |
| 01/04/1994 | US5275916 Image-receiving layer contains dispersed copolymer resin particles |
| 01/04/1994 | US5275691 Method for treating a surface of an aluminum substrate for a printing plate |
| 01/04/1994 | CA1325788C Process for the electrochemical roughening of aluminum for use in printing plate supports |
| 12/29/1993 | EP0575802A1 Photopolymeric printing plates |
| 12/22/1993 | EP0574450A1 Device for continuous electrodeless electrochemical treating of an electrically conductive web in an electrolyte cell and its use. |
| 12/21/1993 | US5271818 Apparatus for roughening a substrate for photosensitive layers |
| 12/21/1993 | CA1325402C Bilayered anodized aluminum support, method for the preparation thereof and lithographic printing plate containing same |
| 12/15/1993 | EP0573988A2 Process for producing support for lithographic printing plates |
| 12/15/1993 | EP0573494A1 Method of extending the useful life and enhancing performance of lithographic printing plates |
| 12/15/1993 | CN1079428A An improved fountain solution supply system |
| 12/08/1993 | CN1023033C Stripping liquid for regenerating prepainted relief photosensitive plate |
| 12/07/1993 | US5268025 Mixture of phosphate buffer, amine and humectant |
| 12/02/1993 | CA2106517A1 Non-alcohol fountain solution for planographic offset printing |
| 11/24/1993 | EP0570879A2 Process and device for erasing the ink-bearing layer on the surface of an imaged printing form |
| 11/24/1993 | EP0570461A1 Pre-bake printing plate composition |
| 11/24/1993 | EP0435943B1 USE OF (C-1 to C-5) ALKYL ESTERS OF ALIPHATIC (C-8 to C-22) MONOCARBOXYLIC ACIDS FOR REMOVING INKS AND THE LIKE FROM PRINTING MACHINES |
| 11/23/1993 | US5264110 Electrolytic square wave graining |
| 11/16/1993 | US5262244 Hydrophilic copolymers and their use in reprography |
| 11/16/1993 | CA1324240C Lipophobicating solution for electrophotographic plates for offset printing |
| 11/11/1993 | WO1993019939A3 Printing method and apparatus |
| 11/10/1993 | CN1078201A Corrosion agent for lithograph printing |
| 11/02/1993 | US5257444 Plate making apparatus |
| 10/27/1993 | EP0567178A1 A method for preparing an aluminium foil for use as a support in lithographic printing plates |
| 10/26/1993 | US5256190 Comprising a plate coating, fountain concentrates, an alcohol replacement, a roller coating, plate wash and compensator solution |
| 10/26/1993 | US5255607 Method and apparatus for maintaining registration when making a printing plate |
| 10/21/1993 | DE4212582A1 Prodn. of gravure printing cylinders - comprises providing a metal (alloy) protective layer on the cylinder surface before the gravure process |
| 10/19/1993 | US5254430 Lithographic printing plates |
| 10/14/1993 | WO1993019939A2 Printing method and apparatus |
| 10/14/1993 | CA2132625A1 Printing method and apparatus |
| 10/13/1993 | EP0565006A2 Method for preparing PS plate |
| 10/13/1993 | EP0515532B1 Composition for protecting the surface of lithographic printing plates |
| 10/12/1993 | US5252360 Process for the protection of an engraved roll or plate by coating an engraved surface with an interlayer and thereafter applying a wear-resistant layer to the interlayer by PVD |
| 10/06/1993 | EP0563187A1 Isopropyl alcohol-free catalytic fountain solution concentrate and method for introducing a catalytic agent into lithographic printing ink. |
| 10/05/1993 | US5249525 Ink repellant coating containing a conductive oxide compound |
| 09/15/1993 | EP0560347A1 Method for preparing dry lithographic plates |
| 09/14/1993 | US5244495 Hydroxy ethers |
| 09/08/1993 | CN1022026C Brand-carving technique by branding plate |
| 09/01/1993 | EP0558311A1 Light-sensitive lithographic printing plate |
| 08/25/1993 | EP0557008A2 Apparatus and method for electronic impositioning |
| 08/25/1993 | EP0557004A2 Apparatus and method for electronic impositioning |
| 08/25/1993 | EP0556357A1 Silver image bleaching solution and process |
| 08/17/1993 | CA1321335C Dibasic esters for cleaning electronic circuits |
| 08/10/1993 | US5233918 Reusable screen printing process and apparatus |
| 08/05/1993 | WO1993014939A1 Granulates for offset printing |
| 08/05/1993 | CA2127802A1 Granulates for offset printing |
| 07/29/1993 | DE4201660A1 Granulate fuer den offsetdruck Granules for offset printing |
| 07/27/1993 | US5230988 Image exposure of plates of aluminum with phosphate or phosphonate compounds and basic compounds |
| 07/21/1993 | EP0551300A1 Printing plate protectant |
| 07/20/1993 | US5228906 Acidic aqueous solution of low molecular weight cationic protein, defoamer |
| 06/22/1993 | US5221442 Method and apparatus for electrolytic treatment |
| 06/22/1993 | US5221330 Hydrophilic film-forming polymer, buffer, water miscible organic solvent, micelle-forming compound, water |
| 06/15/1993 | US5219664 Hydrophilic copolymers and their use in reprography |
| 06/15/1993 | US5218903 Press dampening system |
| 06/09/1993 | EP0545092A2 An apparatus and method for controlling an electrolytic treatment of a subject material |
| 06/08/1993 | US5217813 Polyethyleneimine and polyvinylamine derivatives, aluminum-based substrate materials coated with these derivatives and the use thereof for the production of offset printing plates |
| 05/27/1993 | WO1993009957A1 Metal-based lithographic plate constructions and methods of making same |
| 05/25/1993 | US5213950 Pre-bake printing plate composition |
| 05/25/1993 | US5213919 Process for preparation of lithographic printing plate and eluting solution used for said process containing alkali chelating agent |
| 05/25/1993 | US5213042 Printing process and apparatus |
| 05/25/1993 | US5213041 Method and system for fusing printing image deposits on surfaces of a printing substrate, and removal thereof for re-use of the surface |
| 05/18/1993 | US5211113 Printing machine with an electrochemically changeable printing form, and method of operation |
| 05/13/1993 | DE4136264A1 Moistener preparation system for offset printing - has reservoir which can be supplied with water and alcohol, with additive and amount of water flowing measured by water meter depending on filling level position |
| 05/13/1993 | DE4136263A1 Moisture prepn. device for rotary offset lithographic printer - signals impending exhaustion of additive denoted by ejection time of test dose falling below desired value |
| 05/12/1993 | EP0541068A1 Steam treatment method for a planographic printing plate support and apparatus therefor |
| 04/21/1993 | EP0537633A1 Method for treatment of grained and anodised lithographic printing plates and lithographic printing plates produced according to this method |
| 04/20/1993 | US5204143 Process for treating metal surface |
| 04/20/1993 | US5203926 Cleanser and desensitizer for printing equipment |
| 04/20/1993 | CA1316392C Method and apparatus for cleaning and maintaining printing presses |
| 04/14/1993 | EP0536531A2 Process for graining of aluminum and aluminum alloys respectively for supports for printing plates and a printing plate |
| 04/06/1993 | CA1315590C Desensitizing gum for lithographic printing plate |
| 03/30/1993 | US5198073 Methods for treating the surface of a solid body |
| 03/17/1993 | EP0531878A1 Forme cylinder in an offset printing machine |
| 03/16/1993 | US5194173 Fatty ester as cleaning aid |
| 03/10/1993 | EP0530957A1 A lithographic printing plate precursor of direct image type |
| 03/10/1993 | CA2077306A1 Process for roughening aluminum or aluminum alloys as support material for printing plates and a printing plate so roughened |
| 03/04/1993 | WO1993004401A1 Silver image bleaching solution and process |
| 02/23/1993 | US5188032 Metal-based lithographic plate constructions and methods of making same |
| 02/17/1993 | EP0527315A2 Nonionic liquid detergent composition for printing blankets for automatically cleaning of rubber printing blankets in offset machines |
| 02/16/1993 | US5187046 Arc-grained lithoplate |
| 02/16/1993 | US5186795 Immersing in acidic electrolyte solution, subject to electric current |
| 02/10/1993 | EP0526867A1 Process for making a cylindrical embossing tool |
| 02/09/1993 | US5184550 Device for controlling wetting behavior of metal surfaces by application of electrolyte under controlled voltage |
| 02/06/1993 | CA2075325A1 Process for producing an embossing die in roll form |
| 02/04/1993 | WO1993001942A1 Two-stage electrolytic graining process, aluminum sheet material produced thereby and lithographic printing plate comprising such aluminum sheet material |
| 02/04/1993 | CA2111195A1 Two-stage electrolytic graining process, aluminum sheet material produced thereby and lithographic printing plate comprising such aluminum sheet material |
| 02/03/1993 | EP0526191A1 Desensitizing solution for offset printing |
| 01/20/1993 | EP0523584A1 Process for the regeneration of direct image offset printing forms |
| 01/19/1993 | US5180654 Processing radiation sensitive members with aqueous ethyl hexyl sulphate treatment prior to burn-in step |
| 01/13/1993 | EP0522435A1 Fountain concentrate and fountain solution as well as its use in offset-printing |
| 01/12/1993 | US5178963 Hydrophilic copolymers and their use in reprography |
| 01/12/1993 | US5178961 Thermally crosslinkable hydrophilic copolymers and their use in reprography |
| 01/07/1993 | WO1993000411A1 Lithographic printing fountain solution |
| 01/07/1993 | DE4121783A1 Dampening additive for offset printing contg. hydroxy-propionate ester - and/or opt. ethoxylated acetylene alcohol or other wetting agent giving good print |
| 01/07/1993 | DE4121303A1 Cleaning agent for sieves for filtering solder pastes etc. - comprises low boiling point alcohol(s), limonene and surface active additives |
| 12/30/1992 | EP0520354A1 Apparatus and method for anodizing supports for lithographic printing plate |
| 12/30/1992 | EP0520332A1 Printing press with a printing form to be deleted |
| 12/29/1992 | US5174869 Electrochemical graining by soaking in an acid solution and applying alternate current to form uniform surface |
| 12/23/1992 | WO1992022688A1 TREATING Al SHEET |
| 12/16/1992 | EP0517960A1 Correction fluid for a diazo-based lithographic printing plate |