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7608388 Inkjet-imageable lithographic printing members and methods of preparing and imaging them  
Lithographic printing plates are imaged using an inkjet printer to imagewise apply a chemical or masking agent onto the plate surface. In some embodiments, the chemical inhibits a photoreaction in...
7604924 Negative-working imageable elements and methods of use  
A negative-working imagable composition and element includes an initiator composition, an infrared radiation absorbing compound, a polymeric binder, and a stabilizing composition. The imaged...
7331283 Method and apparatus for imprint pattern replication  
Provided is a method and system for imprinting a pattern formed on a surface of an imprint mask into a substrate. A method includes deforming at least one of the surface of the imprint mask and a...
7299749 Lithographic printing plate support and production method thereof  
A lithographic printing plate support comprising a substrate having thereon a porous layer comprising metal oxide particles bound by a compound containing a metal atom and a phosphorus atom.
7267928 Printing plate material and printing process  
Disclosed is a printing plate material comprising a support and provided thereon, a hydrophilic layer and a thermosensitive image formation layer containing a blocked isocyanate compound, which is...
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...
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...
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...
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,...
7134395 Acid inkjet imaging of lithographic printing plates  
The present invention includes a method of preparing an inkjet ink imaged lithographic printing plate by imagewise applying an acidic inkjet ink onto a substrate coated with an inkjet ink reactive...
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...
7063935 Support for lithographic printing plate and presensitized plate and method of producing lithographic printing plate  
Disclosed is a support for a lithographic printing plate, wherein an adhering amount of a rare-earth element atom to a surface thereof is 0.1 to 20 mg/mg 2 , and a presensitized plate provided with...
7048988 Support for lithographic printing plate and presensitized plate  
The first embodiment is a support for a lithographic printing plate, wherein the surface area ratios obtained from three-dimensional data by use of an atomic force microscope meets the following...
7037635 Presensitized plate  
The present invention provides a presensitized plate, comprising: an aluminum plate having an aluminum purity of not less than 99 wt %; and a photosensitive layer formed on the surface of said...
6964841 Directly imageable waterless planographic printing plate precursor  
The invention is a directly imageable waterless planographic printing plate precursor comprising: at least a heat insulating layer, a heat sensitive layer, and an ink repellent layer that are...
6911295 Planographic printing plate precursor  
The positive planographic printing plate precursor of the present invention is a precursor comprising (I) a positive recording layer including a water-insoluble and alkali-soluble polymer compound...
6890700 Lithographic printing plate precursor  
A lithographic printing plate precursor is disclosed, comprising a metal support having formed thereon an anodic oxide film, and an image-forming layer containing a light-to-heat converting agent,...
6869743 Method of processing light-sensitive material  
There is disclosed a method of processing a light-sensitive material which comprises exposing a light-sensitive material having at least one light-sensitive layer on a support, and subjecting to...
6849380 Positive heat-sensitive lithographic printing plate  
A positive heat-sensitive lithographic printing plate comprising an anodically oxidized aluminum support having laminated thereon an undercoating layer containing a polymer having a constituent...
6832553 Printing method of planographic printing plate and planographic printing plate processed by this method  
The present invention provides a method for printing, comprising the steps of: a) developing an image forming surface of a planographic printing plate; b) after the developing, hydrophilizing a...
6806031 Support for lithographic printing plate and presensitized plate  
Disclosed is a presensitized plate, having an anodized layer and recording layer provided on a support for a lithographic printing plate, wherein the anodized layer is provided by subjecting an...
6783836 Pretreated sheet product for lithographic plates  
A lithographic sheet product having a substrate with a roll textured surface covered by a pretreatment layer. The pretreatment layer enhances adhesion of a printing composition to the sheet product...
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...
6681699 Planographic printing plate machining device, planographic printing plate machining method and planographic printing plate  
The present invention discloses a planographic printing plate having a notched portion on its surface having a required size, and having smaller burrs at a rear face, and a planographic printing...
6596457 Positive photosensitive lithographic printing plate responsive to near infrared rays; method of producing it and method for forming a positive image  
A positive photosensitive printing plate is prepared wherein the photosensitivity is to near-infrared rays which do not induce a chemical change in a photosensitive component. The photosensitive...
6593061 Heat-sensitive lithographic printing plate, and substrate for the plate and method of producing the same  
Provided is a heat-sensitive lithographic printing plate comprising a support having thereon an undercoat layer and a heat-sensitive layer in this order, with at least one of the undercoat layer...
6578485 Article and method for use in preparing a lithographic printing plate by imaging in a printer engine  
A lithographic printing plate substrate is conditioned for imaging in a printer engine by an edge protector adhered along at least one edge of the plate substrate, the edge protector being of 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...
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...
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...
6514668 Photosensitive lithographic printing plate  
A photosensitive lithographic printing plate having a photosensitive resin layer formed on an aluminum substrate subjected to electrolytic surface roughening in nitric acid or in an electrolyte...
6511782 Heat sensitive element and a method for producing lithographic plates therewith  
According to the present invention there is provided a heat sensitive imaging element comprising on a lithographic base with a hydrophilic surface an image forming layer including thermoplastic...
6497989 Method of manufacturing a planographic printing plate  
A planographic printing plate and a manufacturing method thereof are provided in which a deterioration in quality and performance of the planographic printing plate due to coating defects caused by...
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...
6475630 Planographic printing plate, non-woven cloth roller, and method and apparatus for preliminarily polishing a metal plate for printing plate  
The present invention provides a planographic printing plate capable of ensuring improvement of productivity and stability of a small dot net portion due to improvement of adhesion. There is...
6279476 Lithographic imaging with constructions having inorganic oleophilic layers  
Negative-working and positive-working lithographic plate constructions include a durable hydrophilic layer; a hard, inorganic, oleophilic layer; and a substrate, which may be metal. If a metal...
6242156 Lithographic plate having a conformal radiation-sensitive layer on a rough substrate  
This invention discloses a lithographic plate comprising on a roughened substrate a substantially conformal radiation-sensitive layer. The radiation-sensitive layer can be a photo hardenable or...
6232037 Lithographic printing plate, method for producing lithographic printing plate, and method for producing support for lithographic printing plate  
A lithographic printing plate having an average curvature in a rolling direction of 1.5×10 -3 mm -1 or less, a curvature distribution in a crosswise direction of 1.5×10 -3 mm -1 or less, and...
6196129 Wet lithographic printing plates  
Provided is an imaged wet lithographic printing plate which bears a hydrophilic layer and an oleophilic, water-insoluble layer in a desired imagewise pattern overlying the hydrophilic layer,...
6132933 Thermal waterless lithographic printing plates  
The invention relates to thermal waterless lithographic printing plates comprising layers of inherent near infrared absorbing polymers for computer-to-plate and digital-offset-press technologies....
6107001 Method and apparatus for non-ablative, heat-activated lithographic imaging  
Methods and apparatus for lithographic imaging without ablation function by irreversibly debonding intermediate printing-plate layers, thereby rendering at least the surface layer removable by...
6040115 Processless planographic printing plate  
A thermally imagable element suitable for use as a lithographic printing plate is disclosed. Imagable element contains an ink repellent, thermally sensitive surface layer on a substrate. The...
5967047 Thermal process for applying hydrophilic layers to hydrophobic substrates for offset printing plates  
This invention relates to a process for preparing printing plates which are used in offset printing. The process produces a plate which comprises a substrate film in which a thin durable...
5948596 Digital printing plate comprising a thermal mask  
Presensitized lithographic plates are prepared which permit direct formation of printable images on plates by digital computerization without the intervening formation of a photographic image with...
5931097 Laser imageable lithographic printing member  
A laser imageable direct write printing member for use with a laser producing laser radiation comprising a flexible sheet of plastic having first and second surfaces serving as a film substrate. A...
5826512 Aluminum planographic printing plate with convexly curved corner  
An aluminum planographic printing plate includes an aluminum support and a hydrophilic layer disposed at least on one surface thereof, wherein a corner defined with a surface having the hydrophilic...
5819661 Method and apparatus for laser imaging of lithographic printing members by thermal non-ablative transfer  
Apparatus and methods for rapid, efficient production of durable lithographic printing plates by a thermal-transfer process that does not involve ablation. In response to an imaging pulse, a...
5786129 Laser-imageable recording constructions utilizing controlled, self-propagating exothermic chemical reaction mechanisms  
Materials that undergo self-propagating exothermic solid-solid reaction upon ignition by a heating source (e.g., a laser) are used in the fabrication of recording constructions such as lithographic...
5786090 Laser imageable thin film structure and printing plate incorporating the same  
A lithographic laser imageable thin film structure comprising a substrate having first and second surfaces. A vacuum-deposited metal layer is carried by the first surface of the substrate. A layer...
5783364 Thin-film imaging recording constructions incorporating metallic inorganic layers and optical interference structures  
Constructions useful as lithographic printing plates include metallic inorganic layers exhibiting both hydrophilicity and substantial durability at very thin application levels. These materials...
Matches 1 - 50 out of 91 1 2 >