Patents for B41N 3 - Preparing for use or conserving printing surfaces (3,811)
12/1998
12/22/1998US5851723 Process for making lithographic printing plate
12/17/1998WO1998056595A1 Free-flowable powder lithographic fountain solution concentrate and method of use
12/17/1998CA2291828A1 Free-flowable powder lithographic fountain solution concentrate and method of use
12/16/1998EP0883835A1 Protective overcoat useful for enhancing the resistance of a printing plate precursor to ambient humidity
12/16/1998EP0883805A1 Method and device for the continuous measurement and control of the composition of a wetting-agent solution for offset printing
12/10/1998WO1998055307A1 Heat sensitive printing plate precursors
12/09/1998EP0882533A1 Clad metallurgical products
11/1998
11/26/1998WO1998052770A1 Planographic printing
11/26/1998WO1998052769A1 Planographic printing
11/26/1998WO1998052768A1 Planographic printing
11/26/1998WO1998052767A1 Planographic printing
11/26/1998WO1998052766A2 Planographic printing
11/26/1998WO1998052743A1 Laser imageable printing plate and substrate therefor
11/26/1998CA2289707A1 Laser imageable printing plate and substrate therefor
11/19/1998WO1998051512A1 Wetting agent for offset printing
11/19/1998DE19719936A1 Feuchtmittel für den Offsetdruck Dampening solution for offset printing
11/17/1998US5837345 Support for lithographic printing plate, process for the preparation thereof and electrochemical roughening apparatus
11/11/1998EP0876910A1 Method for processing fountain solutions for offset printing
11/10/1998US5834129 Grained and anodized aluminum substrate for lithographic printing plates
11/10/1998US5832834 Aluminum support for lithographic printing plate
10/1998
10/28/1998EP0775330B1 Water-less lithographic plates
10/27/1998US5826514 Introduced in wetting systems for offset printing and a mechanism for their application
10/21/1998EP0872769A1 Lithographic printing plate and treating liquids for such plate comprising a hydrophilic amphoteric block copolymer
10/20/1998CA2097415C Lithographic dampening solution
10/14/1998EP0871070A2 Positive working photosensitive lithographic printing plate
10/07/1998EP0776594A4 Apparatus for and method of forming uniform thin coatings on large substrates
10/06/1998US5816161 Erasable printing plate having a smooth pore free metallic surface
09/1998
09/29/1998US5814163 Composition and process for cleaning inks form various surfaces including printing plates
09/22/1998US5811215 Aqueous silicate treatment method for preparing a hydrophilic surface of an lithographic printing plate aluminum base
09/15/1998US5807659 Photosensitive printing plate
09/09/1998EP0862518A1 Hydrophilized support for planographic printing plates and its preparation
08/1998
08/20/1998WO1998036326A1 Planographic printing
08/20/1998DE19705561A1 Corrosion-inhibiting dampening agent for offset printing, reducing maintenance and material cost
08/13/1998WO1998034796A1 Planographic printing member and process for its manufacture
08/12/1998EP0857778A2 Cleaning formulation
08/11/1998US5792278 Process for cleaning inks from various surfaces including printing plates
08/04/1998US5788752 Vegetable oil-based printing ink and method for producing same
07/1998
07/29/1998EP0737133B1 Thermal process for applying hydrophilic layers on hydrophobic substrates and use of thus coated substrates as carriers for offset printing plates
07/28/1998US5786128 On-press development of a lithographic printing plate having an aryldiazosulfonate resin in a photosensitive layer
07/28/1998US5785840 Process for producing a surface structure for a cylinder of a printing machine
07/23/1998WO1998031551A1 Method for selectively deleting undesired ink-receptive areas on wet lithographic printing constructions incorporating metallic inorganic layers
07/10/1998CA2226767A1 Cleaning formulations incorporating alkyl aromatic compounds
07/08/1998EP0721398B1 Process for preparing improved lithographic printing plates
07/07/1998US5776653 On the press development of a diazo based printing plate
07/07/1998US5775977 Process for the mechanical roughening of the surface of a printing plate substrate
07/07/1998CA2104769C Method of extending the useful life and enhancing performance of lithographic printing plates
07/07/1998CA2003890C Processing of radiation sensitive plates
07/01/1998EP0851299A1 Photosensitive lithographic printing plate
06/1998
06/30/1998US5772859 Device for treating wetting liquid in printing presses, particularly for offset printing presses
06/23/1998US5770315 Process for the aftertreatment of aluminum materials, substrates of such materials, and their use for offset printing plates
06/09/1998US5763431 Method for regulating neuropeptide hormone secretion
05/1998
05/28/1998WO1998022853A1 Planographic printing
05/28/1998WO1998022852A1 Protective overcoat useful for enhancing the resistance of a printing plate precursor to ambient humidity
05/28/1998CA2243381A1 Protective overcoat useful for enhancing an article's resistance to ambient humidity
05/26/1998US5755949 Subjecting aluminum based workpiece in electrolyte to alternating current treatment at specified frequency while imposing specified anodic potential
05/22/1998WO1998021045A1 Ink receptive dampening system for lithographic printing press
05/13/1998EP0841190A1 Lithographic printing plate
05/05/1998US5747297 Industrial pharmaceutical and cosmetics applications for cultured plant cell gums
04/1998
04/29/1998EP0837913A1 Cleaning composition
04/15/1998EP0835764A1 Lithographic printing plate, method for producing lithographic printing plate, and method for producing support for lithographic printing plate
04/14/1998US5738944 Enhancing hydrophilicity of background
04/14/1998US5738943 Lithographic printing plate treated with organo-phosphonic acid chelating compounds and processes related thereto
04/07/1998US5736256 Enhancing or restoring hydrophilicity
03/1998
03/24/1998US5731124 Method for preparing an aluminum foil for use as a support in lithographic printing plates
03/24/1998US5730787 Desensitizing solution for lithography
03/18/1998EP0829558A1 Process and apparatus for the electrodeposition of a chromium layer on a printing cylinder
03/17/1998US5728503 Micro-roughness to improve adhesion, hardness but still provide good image contrast
03/03/1998US5723239 Photoconductor layer treated with desensitizer solutions for electrography
02/1998
02/26/1998DE19735755A1 Lithographic printing plate production by silver complex diffusion process without silver sludge formation
02/24/1998US5720800 Comprising butylene oxide adduct of alcohol, ph buffer
02/11/1998EP0556357B1 Silver image bleaching solution and process
02/04/1998EP0822449A1 A method for making a lithographic printing plate
02/03/1998US5714302 Method of printing with using lithographic printing plate made by silver complex diffusion transfer process and using dampening composition containing nonionic surface active agent
02/03/1998US5714250 Layer containing binding resin and zinc oxide powder having phytic group
02/03/1998US5713287 Direct-to-Press imaging method using surface modification of a single layer coating
02/03/1998US5713282 For minimizing contamination of dampening fluid in a lithographic press
01/1998
01/28/1998EP0820840A2 Method and apparatus for manufacturing sensitized printing plate
01/27/1998US5711991 Process for making lithographic sheet material having a thermoplastic adhesive layer
01/07/1998EP0816118A1 Aluminum support for lithographic printing plate
01/07/1998EP0815280A1 Thermal deposition method for depositing thin ceramic layers and an associated device
01/06/1998US5705313 Process for the production of a lithographic printing plate through selective transfer
12/1997
12/17/1997EP0812705A1 Method of manufacturing support for planographic printing plate
12/09/1997US5695912 Depositing an ink on the liophilic image, tranferring the image onto a paper, desensitizing nonimage portion of photosensitive layer using basic aluminum chloride in acid aqueous solution; free from ferro or ferricyanic compounds
12/09/1997US5695550 Composition consisting of water, isopropyl alcohol, glycerin, 2-butoxyethanol, ethylene glycol and/or propylene glycol
12/03/1997EP0573494B1 Method of extending the useful life and enhancing performance of lithographic printing plates
11/1997
11/26/1997EP0808723A1 Method to remove chromium plating and engraving from gravure rollers and machine suited to carry out such a method
11/25/1997US5691288 Finisher-preserver-cleaner composition for lithographic printing plates
11/25/1997US5691114 Method of imaging of lithographic printing plates using laser ablation
11/25/1997US5691106 Photosensitive material for the production of lithographic printing plates utilizing peel development
11/18/1997US5688629 Process for the production of lithographic printing plates utilizing peel development
10/1997
10/28/1997US5681686 Desensitizing solution for offset printing
10/28/1997US5681683 Radiated with actinic radiation; lithography printing plates
10/21/1997US5679167 Plasma gun apparatus for forming dense, uniform coatings on large substrates
10/14/1997US5677101 Light-sensitive lithographic printing plate having a light sensitive layer comprising a clathrate compound
10/08/1997EP0799717A1 A method for preparing a hydrophilic surface of a lithographic aluminum base for lithographic printing plates
10/07/1997US5674416 Arc treatment of metal surfaces
10/01/1997EP0798130A1 Lithographic plates with coating
09/1997
09/30/1997CA2173183A1 Finisher-preserver-cleaner composition for lithographic printing plates
09/23/1997US5669436 Method of continuously casting composite strip
09/17/1997EP0795420A1 Lithographic printing plate adapted to be imaged by ablation
1 ... 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 ... 39