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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...
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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...
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7473515 |
Thermally reactive near-infrared absorbing acetal copolymers, methods of preparation and methods of use
Described herein are novel thermally reactive near-infrared absorbing acetal copolymers that undergo chemical and physical changes upon exposure to near-infrared radiation. Also described are the...
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7467587 |
Method for accurate exposure of small dots on a heat-sensitive positive-working lithographic printing plate material
A method is disclosed for accurate reproduction of high-quality halftone images comprising microdots by means of lithographic plate materials which comprise a heat-sensitive positive-working...
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7461594 |
Printing plate material, printing plate manufacturing method, and printing method
A printing plate material having an aluminum support on which an image forming layer is provided, wherein a wireless IC tag is provided on a part of the printing plate material.
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7442485 |
Lithographic process involving on press development
A lithographic printing process comprises the steps of: imagewise exposing to infrared light a presensitized lithographic plate which comprises a hydrophilic support and an image-forming layer...
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7380499 |
Image recording apparatus and printing plate material
A sheet printing plate material includes a plastic support having optical transparency for infrared light, and at least a hydrophilic layer and a thermosensitive image formed layer formed on the...
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7363856 |
Flat bed platesetter system
The present invention provides a flat bed platesetter system and a method for its use, particularly for imaging printing plates. For providing a precise, continuous, rapid and format-independent...
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7343856 |
Apparatus for controlling the temperature of an exposure drum in a printing plate exposer
An apparatus for controlling the temperature of a recording material, in particular a printing plate, in an exposer for recording printing originals. An exposer has an exposure drum for holding the...
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7341815 |
Planographic printing plate precursor
A positive planographic printing plate precursor includes a support having disposed thereon a lower thermosensitive layer containing a water-insoluble but alkali-soluble polymer compound and an...
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7318995 |
Method of making a negative-working lithographic printing plate
A method for preparing a negative-working lithographic printing plate is provided which comprises the steps of (1) providing a lithographic printing plate precursor comprising on a grained and...
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7297467 |
Method of making a heat-sensitive lithographic printing plate
A method of making a lithographic printing plate is disclosed which comprises the steps of
(1) providing a lithographic printing plate precursor comprising (i) a support having a hydrophilic...
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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...
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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...
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7284484 |
Laser ablating of printing plates and/or printing rollers to decrease taper and TIR
Apparatus for reducing variations in total indicated run-out and taper in a printing roller, includes a detector which detects variations in total indicated run-out and taper in a surface of the...
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7214469 |
Lithographic printing plate precursor and lithographic printing method
The present invention provides a lithographic printing plate precursor and a lithographic printing method using the lithographic printing plate precursor, which is capable of an image recording by...
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7213516 |
Method of processing laser sensitive lithographic printing plate
A method of developing a laser sensitive lithographic printing plate with ink and/or fountain solution is described. The printing member comprises on a substrate a photosensitive layer soluble or...
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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...
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7152530 |
Printing form and method for modifying its wetting properties
A printing form ( 10 ) having a surface ( 12 ) of pure silicon or of a silicon ceramic, which bears a pattern composed of hydrophilic and hydrophobic regions, the hydrophilic regions having a first...
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7147995 |
Developing solution for heat-sensitive lithographic printing plate precursor and method for preparing lithographic printing plate
An alkaline developing solution for development of a heat-sensitive presensitized plate of positive-working mode for use in making a lithographic printing plate, which developing solution comprises...
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7146909 |
Image forming material
An image forming material, a lithographic printing plate precursor and a lithographic printing method, in which a color image with good visibility is obtained by laser exposure, are provided,...
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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...
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7140298 |
Method for evaluating planographic printing plates and quality-control method thereof
A method for evaluating planographic printing plates according to the present invention includes: a step (A) of exposing a planographic printing plate precursor by irradiating a thin-line image of...
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7140297 |
Printing process and manufacturing process of printing plate material
Disclosed is a printing process employing a printing plate material obtained by providing, on a support, a coating solution for an image formation layer capable of forming an image by heating, the...
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7089856 |
On-press development of thermosensitive lithographic printing member
Method of on-press developing a thermosensitive lithographic printing member with ink and/or fountain solution is described. The printing member comprises on a substrate a thermosensitive layer...
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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...
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7078152 |
Lithographic printing with printing members having plasma polymer layers
A plasma polymer layer facilitates selective removal of the imaging layer of a lithographic printing member, which allows for imaging with low-power lasers. The printing member can be used on press...
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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...
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7074542 |
Planographic printing plate precursor
A planographic printing plate precursor comprising: a substrate; a photosensitive layer disposed on the substrate, the photosensitive layer including a light-to-heat conversion agent and a...
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7073440 |
Printing members having solubility-transition layers and related methods
Solubility transitions rather than ablation mechanisms facilitate selective removal of the imaging layer of a lithographic plate, which allows for imaging with low-power lasers that need not impart...
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7067232 |
Printing Plate
A printing plate for computer-to plate lithography having a laser-ablatable member supported by a substrate. At least one portion of the laser-ablatable member is formed form an acrylic polymer...
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7060416 |
Positive-working, thermally sensitive imageable element
Alkali soluble copolymers, imageable elements useful as lithographic printing plate precursors that contain the alkali soluble copolymers, and methods for forming images using the imageable...
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7051652 |
Wet offset printing form
A wet offset printing form has atop layer containing a photocatalytically and thermally modifiable material. The material can be brought photocatalytically into a hydrophilic state by irradiation...
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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...
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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...
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6994028 |
Development process on a press of planographic printing plate material and printing process
Disclosed is a developing process on a press of a planographic printing plate material comprising a hydrophilic layer and an image formation layer, which is capable of being developed with water or...
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6994026 |
Preparation of a flexographic printing plate
A method for the preparation of a flexographic printing plate is disclosed. In this method an ink jet image is used as mask for the exposure of a flexo plate precursor. The ink jet recording...
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6983694 |
Negative-working thermal lithographic printing plate precursor comprising a smooth aluminum support
A negative-working lithographic printing plate precursor is disclosed which comprises a grained and anodized aluminum support having a hydrophilic surface and a heat-sensitive coating provided on...
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6978715 |
Printing press, and apparatus and process for regenerating printing plate
A printing press, and an apparatus and a process for regenerating a printing plate can repetitiously reuse the same printing plate and shorten time for decomposition of image areas formed by a...
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6976428 |
Wet offset printing form
A wet offset printing form has a top layer containing a photocatalytically and thermally modifiable material. The material can be brought photocatalytically into a hydrophilic state by irradiation...
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6973875 |
Printing machine with image-setting device for a rotary printing machine
A rotary printing machine having a plurality of printing-unit cylinders mounted one above another on a side wall, their axes lying in a plane inclined with respect to the plane of the...
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6938546 |
Printing press, layered formation and making method thereof, and printing plate and making method thereof
A layered formation, possibly used as a printing plate that is to be mounted to a printing press when performing printing, has a photocatalystic layer including a photocatalyst so that the surface...
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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...
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6931992 |
Combined ablation and exposure system and method
An exposure system is provided that surrounds a photopolymer on a rotating cylinder ablation system. The exposure system linearly follows the ablation source and operates to expose the ablated...
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6924080 |
Thermally sensitive compositions containing cyanoacrylate polymers
The present invention provides a processless printing plate precursor including a thermally sensitive layer applied onto a substrate. The thermally sensitive layer includes polycyanoacrylate...
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6919166 |
Method for preparing lithographic printing plate
A method for preparing a lithographic printing plate is disclosed, and said method comprises the steps of imagewise light-exposing to infrared radiation, a presensitized plate for use in making a...
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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...
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6908726 |
Thermally imageable elements imageable at several wavelengths
Infrared absorbing compounds that absorb at 800 nm±50 nm and at 1050 nm±50 nm, the two different regions of the infrared spectrum typically used for imaging, are disclosed. Thermally imageable...
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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....
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6893798 |
Method of lithographic printing with a reusable substrate
A method for treating a micro-emulsion that can be used for removing the ink-accepting areas of a lithographic printing master is disclosed, which enables to recycle the water from the used...
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