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7582407 Imageable elements with low pH developer solubility  
Single- and multi-layer positive-working imageable elements include an ink receptive outer layer includes a primary polymeric binder that is a poly(vinyl phenol) or a phenolic polymer having...
7575845 Structure for pattern formation, method for pattern formation, and application thereof  
A structure for pattern formation adapted for optically forming a pattern, characterized by comprising: a photocatalyst-containing layer provided on a substrate, the photocatalyst-containing layer...
7544461 Near infrared ray activation type positive resin composition  
A near infrared ray activation type positive resist composition comprising (A) a vinyl-based polymer having a monomer unit having an alkali-soluble group blocked by an ether having an...
7425402 Heat-sensitive lithographic printing plate precursor  
A heat-sensitive lithographic printing plate precursor is disclosed which comprises a hydrophilic support and an oleophilic coating comprising an infrared absorbing agent and a developer soluble...
7402374 Method for colored image formation  
A method for forming a colored image with good visibility on a lithographic printing plate precursor by exposure to a laser light, particularly, a method for forming a colored image with good...
7338741 Lithographic printing plate precursor and lithographic printing method  
A lithographic printing plate precursor comprises: an aluminum support that has been subjected to an alkali metal silicate treatment; and an image-recording layer comprising (A) an infrared...
7316891 Method of developing a heat-sensitive lithographic printing plate precursor with a gum solution  
A method of making a lithographic printing plate is disclosed which comprises the steps of providing a lithographic printing plate precursor comprising (i) a support having a hydrophilic...
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...
7250245 Switchable polymer printing plates with carbon bearing ionic and steric stabilizing groups  
The present invention provides an imageable member having an imageable layer including a heat-sensitive ionomer characterized by a net positive or negative charge, and a photothermal conversion...
7205091 Lithographic printing with printing members having primer layers  
A primer layer that includes a surface-tension modifier dispersed within a polymer binder is disposed between the imaging layer and the substrate of a lithographic printing member to inhibit the...
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...
6849386 Method for preparing master plate useful for making lithographic printing plate without need of dampening water  
An object of the present invention is to provide a method for manufacturing such a dry lithographic printing master plate that has eliminated uneven plate performance and more specifically that...
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...
6844140 Method for reducing start up blinding in no-process lithographic printing plates  
A method for reducing start up blinding in no-process lithographic printing plates is disclosed. An imageable element, comprising an imageable layer over a substrate, is thermally imaged. The...
6787291 Directly imageable planographic printing plate and production method thereof  
A directly imageable planographic printing plate that is high in image productivity and easy to check is produced by using a directly imageable planographic printing plate that comprises at least a...
6777156 Directly imageable planographic printing plate precursor and a method of producing planographic plates  
A directly imageable planographic printing plate precursor, which may be of the positive or negative type, has at least a heat sensitive layer on a substrate. The heat sensitive layer contains a...
6770416 Multi-purpose modular infra-red ablatable graphic arts tool  
The multi-purpose modular infra-red ablatable graphic arts tool provided comprises solutions to economy of scale for infrared ablatable Graphics Arts products by a novel modular approach of using...
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...
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...
6725777 Recording medium with dispersed ink adhering and ink releasing materials  
The recording medium comprises a recording layer. The recording layer has a first material and a second material independently dispersed. The first material has a property that a backward contact...
6723493 Negative lithographic printing plate comprising a specific compound in the photosensitive layer  
Lithographic printing plates having on a hydrophilic substrate an oleophilic photosensitive layer comprising an oleophilic polymer, a free radical polymerizable monomer, and...
6723491 Utilizing UV to form and decompose a printing member  
In one embodiment, the present invention is directed to a method for preparing a printing member by coating a printing cylinder with a layer comprising ultraviolet-curable silicones and curing the...
6692890 Substrate improvements for thermally imageable composition and methods of preparation  
The present invention includes a radiation-imageable element for lithographic printing having a hydrophilic anodized aluminum base with a surface having pores and a image-forming layer having...
6689534 Planographic printing original plate  
A positive-type planographic printing original plate for direct plate-making with an infrared laser, with excellent latitude in forming an image by development, and excellent flaw resistance. The...
6686127 Plate-making method for producing waterless lithographic printing plate  
Provided is a plate-making method for producing a waterless lithographic printing plate, wherein the method comprises: (I) an exposing step of imagewise exposure of the precursor with a laser with...
6660453 Waterless planographic printing plate precursor and production method thereof  
A waterless planographic printing plate precursor which has a support member, a light-to-heat conversion layer for converting laser light to heat, and a silicone rubber layer. The light-to-heat...
6660449 Heat-sensitive compositions and imaging member containing carbon black and methods of imaging and printing  
An imaging member, such as a negative-working printing plate or on-press cylinder, comprises latex polymer-carbon black composite particles. Such imaging members can be prepared with a hydrophilic...
6656661 Waterless imageable element with crosslinked silicone layer  
The present invention includes an imageable element, which includes a sheet substrate, an imaging layer and a silicone layer, which comprises a crosslinked silicone polymer. The crosslinked...
6640713 System and method for recording an image using a laser diode array  
An improved offset printing press has a single plate blanket image (PBI) cylinder for holding an image formed on a thin film printing plate affixed thereto. The plate may be from 0.5 to 25 microns...
6632589 Lithographic printing process  
A hydrophilic layer and an overcoat layer are provided in this order on a heat-sensitive layer having an ink receiving surface, so as to form an original (plate) for a lithographic printing plate....
6613496 Method for forming a dampening-waterless lithographic plate and method for forming an image using a dampening-waterless lithographic plate  
A method for forming a dampening-waterless lithographic plate comprising an irradiation step of irradiating a dampening-waterless lithographic blank plate imagewise with a laser beam, the blank...
6576401 On-press developable thermosensitive lithographic plates utilizing an onium or borate salt initiator  
This patent describes an on-press developable thermosensitive lithographic plate having on a substrate a thermosensitive layer comprising an ethylenically unsaturated monomer, an infrared absorbing...
6576399 Radiation-sensitive recording material for the production of waterless offset printing plates  
The invention relates to a recording material sensitive to IR radiation and having a substrate, a primer layer, an IR-absorbing layer and a silicone layer. The primer layer includes a mixture of an...
6558869 Pattern formation  
This invention is directed to a precursor for preparing a resist pattern by heat mode imaging, the precursor comprising a heat sensitive composition, the solubility of which in an aqueous alkaline...
6555285 Processless printing plate with low ratio of an inorganic pigment over hardener  
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 a...
6555283 Imageable element and waterless printing plate  
This invention relates to an imageable element that can be imaged and developed to produce a printing plate. The imageable element comprises a substrate and a radiation-sensitive imageable...
6541183 Negative lithographic printing plates having a semisolid radiation-sensitive layer  
This patent describes a lithographic printing plate comprising on a substrate a semisolid radiation-sensitive layer capable of hardening upon exposure to a suitable radiation, and a method of...
6528237 Heat sensitive non-ablatable wasteless imaging element for providing a lithographic printing plate with a difference in dye density between the image and non image areas  
According to the present invention there is provided a heat-sensitive non-ablatable wasteless imaging element for providing a lithographic printing plate, comprising on a support a top layer which...
6503691 Polymer system with switchable physical properties and its use in direct exposure printing plates  
Polymer materials are described that undergo a 2-level 3 dimensional crosslinking process. During this process, hydrophilic polymers are crosslinked at two levels, the first results in a low level...
6503684 Processless thermal printing plate with cover layer containing compounds with cationic groups  
According to the present invention there is provided a heat-sensitive material for making lithographic printing plates comprising on a lithographic support an image-forming layer comprising a...
6495310 Lithographic plate having conformal overcoat and photosensitive layer on a rough substrate  
The present invention provides a lithographic printing plate comprising on a roughened substrate a substantially conformal photosensitive layer and a substantially conformal overcoat. The...
6482571 On-press development of thermosensitive lithographic plates  
This patent describes on-press ink and/or fountain solution development of lithographic plates having on a substrate a thermosensitive layer capable of hardening or solubilization upon exposure to...
6477955 Laser ablatable waterless lithographic printing member  
An improved offset printing press has a single plate blanket image (PBI) cylinder for holding an image formed on a thin film printing plate affixed thereto. The plate may be from 0.5 to 25 microns...
6458507 Planographic thermal imaging member and methods of use  
A thermally sensitive imaging member can be imaged using thermal energy such as from an IR-emitting laser and then used for lithographic printing. The imaging member includes a support having an...
6455230 Method for preparing a lithographic printing plate by ablation of a heat sensitive ablatable imaging element  
According to the present invention there is provided a method for preparing a lithographic printing plate, the method including the steps of (1) providing an imaging element including on a...
6451500 Imaging member containing heat switchable carboxylate polymer and method of use  
An imaging member, such as a negative-working printing plate or on-press cylinder, can be prepared using a hydrophilic imaging layer comprised of a heat-sensitive hydrophilic polymer that comprises...
6447978 Imaging member containing heat switchable polymer and method of use  
An imaging member, such as a negative-working printing plate or on-press cylinder, can be prepared using a hydrophilic imaging layer comprised of a heat-sensitive hydrophilic polymer that comprises...
6426173 Preparation method for printing plate  
The present invention relates to a planographic printing plate employed in the field of offset printing, and more particularly, to a preparation method for a printing plate employing a conventional...
6423469 Thermal switchable composition and imaging member containing oxonol 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...
6420091 Method of producing lithographic printing plate  
A method of producing a lithographic printing plate which comprises subjecting a printing plate precursor comprising a support having a metallic compound layer which has a photo-catalytic property...
Matches 1 - 50 out of 215 1 2 3 4 5 >