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7604923 Image forming method  
The present invention provides an image forming method comprising the steps of exposing imagewisely an image forming material having a photosensitive layer comprising an infrared absorbing agent, a...
7592128 On-press developable negative-working imageable elements  
The present invention relates to negative-working imageable elements that can be used for the manufacture of printing plates. These imageable elements can be developed on on-press by the action of...
7291445 Single-coat self-organizing multi-layered printing plate  
A single manufacturing pass for manufacturing a multilayered self-organized coating onto a substrate to provide all of the functions usually provided in multiple-pass coatings for manufacturing an...
7288361 Lithographic printing process  
A lithographic printing process which comprises the steps of: imagewise exposing to infrared light a presensitized lithographic plate which comprises a hydrophilic support and a removable...
7194956 Offset printing method and printing apparatus using heat and light to make a printing plate hydrophilic and hydrophobic  
There is prepared a printing plate on which a material being hydrophilic due to light energy at a first temperature and being hydrophobic at a second temperature due to heat energy which is lower...
7144681 Heat-sensitive composition in which removal of the unexposed regions is unnecessary, negative lithographic plate coated with the said composition and method for forming a negative image on the said plate  
A heat-sensitive composition which forms an image without the removal of material, which does not require any developing treatment after the stage of exposure to heat and comprises: (a) a...
7100503 Method and device for producing different printed images on the same print substrate  
In a method and system to generate a print image on a carrier material, the surface of a print substrate is covered with at least one of an ink-repelling and an ink-attracting layer. In a...
7089857 Method for copying a printing plate for humid offset printing  
The present invention concerns an original method of copying a printing plate. Said plate, intended for wet offset printing, comprises a base substrate and a photosensitive layer which is soluble...
7078159 Method for the preparation of a printing plate  
The invention relates to a method for the preparation of a printing plate comprises inkjet printing an oleophilic image on a surface of a support by applying to the support an aqueous solution or...
7074545 Printing plate material  
Disclosed are a printing plate material capable of being developed on a printing press and its manufacturing method which comprises the steps of subjecting an aluminum plate to electrolytic surface...
7063017 Printing plate and plate making method  
Provided is a printing plate comprising a substrate and a hydrophilic porous layer formed on a surface of the substrate. Typically, the substrate is made of aluminum plate, and the porous substrate...
7045266 Lithographic printing plate  
A lithographic printing original plate, a lithographic printing plate using the lithographic printing original plate and a process for producing the lithographic printing plate are disclosed. The...
7044053 Method and materials for improving resolution for ctp-inkjet  
Improved resolution plates based on hydrophilic organic coated substrates, where a hydrophobic layer is present during inkjet imaging and where after heating to fuse the inkjet image, the...
6997108 Plate-making type printing press, multi-color printing press and plate-making type printing method  
The plate-making printing press is constructed by installing a plate-making apparatus in a printing press that supplies ink and dampening water to a printing plate and performs printing on a...
6992688 Method for developing multilayer imageable elements  
A method for forming an image by imaging and developing a multi-layer imageable element, in which the developer is fresh developer and the developer is not reused, is disclosed. Much smaller...
6983693 Method and substrate for the preparation of a printing plate  
The invention relates to a method for the preparation of a printing plate comprises forming an oleophilic image on a substrate for a printing plate comprising a support having at least one...
6981446 Ink-jet imaging method  
The present invention provides a method of imaging a printing plate precursor in which a printing plate precursor including a substrate and an image forming layer is imagewise contacted with a...
6935235 Printing method and device  
A method for applying printing ink to a printing material, includes producing ink-conducting and ink-repelling areas on an at least approximately flat surface. A plurality of areas with defined...
6919165 Imaging and erasing of a printing form made of polymer material containing imide groups  
A method for producing a pattern of hydrophilic ( 34 ) and hydrophobic ( 32 ) regions on a printing form ( 30 ) is presented which, in a first, essentially unpatterned state, features a polymer...
6899030 Lithographic plate imaging system to minimize plate misregistration for multicolor printing applications  
A method and apparatus of producing images on a series of master plates that are suitable for use as printing plates for the reproduction of multiple copies of composite images from said plates....
6862992 Method of lithographic printing  
A method of lithographic printing is disclosed, which includes forming an image based on signals of image data directly on a printing plate precursor mounted on a plate cylinder of a printing...
6844141 Method for developing multilayer imageable elements  
A method for forming an image by imaging and developing a multi-layer imageable element is disclosed. When thermally imageable, multi-layer imageable elements that have been imaged using stochastic...
6834586 Lithographic method and lithographic device, plate making method and plate making device, and ink jet printing method and printing device  
An on-press recording type lithographic printing method comprising mounting a plate material on a plate cylinder of a press, ejecting an oil-based ink onto the plate material from a recording head...
6824947 Photosensitive composition comprising a phenol resin having a urea bond in the main chain  
Photosensitive compositions comprising a phenol resin having a urea bond in the main chain, planographic printing plate precursors containing the photosensitive compositions, and methods for...
6811950 Presensitized plate useful for making lithographic printing plate and method for making lithographic printing plate therefrom  
The present invention relates to a presensitized plate useful for making a lithographic printing plate comprising an intermediate layer and a photopolymerizable photosensitive layer on an aluminum...
6797449 Negative image-recording material and cyanine dye  
The invention provides a negative image-recording material for heat-mode exposure systems, which comprises (A) an IR absorbent including cyanine dye having a substituent that contains an atom...
6783228 Digital offset lithographic printing  
An apparatus for offset lithographic printing including an offset lithographic printing press including a printing cylinder having a surface including a mixture of cationic colloidal silica, fumed...
6782823 Imaging unit for a printing form cylinder  
An imaging unit for a printing form cylinder of a printing press, the printing form cylinder having a width, the imaging unit comprising: an imaging unit comprising, in combination: a cleaning...
6764807 Planographic printing  
A planographic printing member precursor comprises a first component, for example a hydroxy group containing polymer, and a second component which may be a siloxane or a compound of general formula...
6758140 Inkjet lithographic printing plates  
A method for preparing lithographic printing plates comprising coating a substrate with a mixture including colloidal silica, fumed alumina, polyethylenimine, a quaternary ammonium polymer and a...
6745693 Variable data lithographic printing device and method  
A variable data lithographic printing device comprises surrounding a printing cylinder a photosensitive layer coater, an exposure source, optionally a developer, an inking applicator, optionally a...
6742886 Ink jet compositions for lithographic printing  
The present invention provides compositions and methods of ink jetting oleophilic images onto a substrate. The composition includes an oleophilic polymer having polar moieties that is soluble in an...
6736063 Printing apparatus  
At printing time, a blanket cylinder gear is meshed with a plate cylinder gear, whereby a first plate cylinder is rotatable by a drive motor. At image-recording time, the blanket cylinder gear is...
6732654 Method for producing a photocatalytic printing plate by film transfer  
A method for making a printing plate including a step of forming a hydrophobic image area on at least a part of a hydrophilic surface of a plate. The plate surface contains a photocatalyst and the...
6668720 Apparatus for image formation on cylindrical surfaces in printing machines  
The invention relates to an apparatus for image formation on cylindrical surfaces of printing machines. The object of the invention is to provide a compact image formation unit with a broad...
6637336 Method for producing printing plate, reusing method for printing plate, and printing machine  
A method for making a reusable printing plate in which a hydrophobic image area is formed on a hydrophilic plate surface containing a photocatalyst. The method includes the steps of carrying out a...
6634295 Lithographic printing plates and method for their preparation  
A method for the preparation of a lithographic printing plate comprises forming an oleophilic image on the surface of a hydrophilic support by depositing, preferably by ink-jetting, the desired...
6596464 Lithographic printing method using single-fluid ink  
A lithographic printing method is disclosed which comprising the steps of providing an imaging material which comprises a support and an image-recording layer that is not removable with a...
6576395 Processless printing plate with high ratio of inorganic pigment over hardener in a hydrophilic layer  
According to the present invention there is provided a heat-sensitive material for making lithographic plates comprising in the order given on a support an IR-sensitive oleophilic layer and an...
6555205 Printing plate and method to prepare a printing plate  
A printing plate is prepared by the process comprising: (a) providing a substrate; and (b) applying by ink jetting to the substrate a fluid composition comprising a cationic polymer and an anionic...
6543360 Printing plate and printer using it  
A printing system is provided which ensures easy formation of a plate and regeneration of the plate for continued use. The press plate used in a the printing system to form an image using a...
6539866 Process for preparing ink jet system printing plate  
A process for preparing an ink-jet system printing plate, wherein in a planographic printing plate precursor having an image receiving layer containing zinc oxide and a binder resin on a...
6537730 Thermal imaging composition and member containing sulfonated IR dye and methods of imaging and printing  
An imaging member, such as a negative-working printing plate or on-press cylinder, can be prepared with a hydrophilic imaging layer comprised of a heat-sensitive hydrophilic polymer having ionic...
6532870 Process for preparing ink-jet system printing plate  
A process for preparing an ink-jet system printing plate, wherein an image is formed according to a hot melt type ink-jet system by heat-melting an ink composition that is solid at ordinary...
6520086 Printing plates and a method for their preparation  
A method for the preparation of a lithographic printing plate comprises forming an oleophilic image on the surface of a hydrophilic support by depositing, preferably by ink-jetting, the image on...
6513434 On-press recording type lithographic printing method and apparatus  
An on-press recording type lithographic printing method involving an ink jet process which comprises ejecting an oil-based ink onto a printing plate material mounted on the plate cylinder of a...
6477956 Ink cartridge with self-closing valve  
An improved ink cartridge of the type used to dispense ink in automatic lithographic presses. The ink cartridge comprises a hollow cylindrical body for holding a supply of extrudable ink, a plunger...
6472054 Method of preparing a printing plate and printing plate  
A printing plate is prepared by the method comprising: (a) providing a substrate; and (b) applying by ink jetting to the substrate a fluid composition comprising an acidic polymeric compound, in...
6470799 Computer-to-cylinder type lithographic printing method and computer-to-cylinder type lithographic printing apparatus  
A method of computer-to-cylinder lithographic printing, comprising: loading a plate material on a rotative plate cylinder of a lithographic printing apparatus; rotating the plate cylinder having...
6455132 Lithographic printing printable media and process for the production thereof  
A fluid composition suitable for ink jetting upon a substrate, which includes a copolymer having a low surface energy and a plurality of tertiary amine sites, where the tertiary amine sites are at...
Matches 1 - 50 out of 220 1 2 3 4 5 >