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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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7306893 |
Image recording material and planographic printing plate
An image recording material of the present invention comprises an anodized aluminum support, an intermediate layer containing a polymer having a carboxylic acid group in a side chain thereof and...
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7306890 |
Aluminum alloy plate for lithographic printing form and method for production thereof and lithographic printing form
The present invention provides an aluminum alloy plate for use as a lithographic printing plate having an improved uniformity of a surface roughened by electrolytic etching and wherein streaking...
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7291438 |
Negative photosensitive composition and negative photosensitive lithographic printing plate
There are provided a negative-working photosensitive composition which can be cured by infrared rays and is less likely to suffer polymerization inhibition by oxygen during radical polymerization,...
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7288365 |
Image formation process and planographic printing plate material
Disclosed is an image forming method possessing the steps of producing a planographic printing plate via a development treatment of exposing a hydrophilic surface of an aluminum support by removing...
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7285374 |
Light-sensitive lithographic printing plate precursor
A light-sensitive lithographic printing plate precursor comprising an aluminum support having an anodized film on both surfaces thereof and a photo-polymerizable light-sensitive layer on one side...
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7285372 |
Radiation-sensitive elements and their storage stability
Radiation-sensitive element comprising (a) a substrate with at least one hydrophilic surface and (b) a radiation-sensitive coating on at least one hydrophilic surface of the substrate, wherein the...
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7282321 |
Lithographic printing method and presensitized plate
Disclosed is a presensitized plate composed of a support having thereon an image recording layer which includes:
an infrared absorber (A) that is a cyanine dye having at least one fused ring...
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7279266 |
Photosensitive composition and lithographic printing plate precursor using the same
A photosensitive composition comprising:
(A) a polymerizable compound represented by the following formula (I):
A—{O—[(CH(—R...
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7270930 |
Heat-sensitive positive working lithographic printing plate precursor
Heat-sensitive element comprising a) an optionally pretreated substrate; b) a positive working coating comprising (i) at least 40 wt.-%, based on the dry weight of the coating, of at least one...
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7261998 |
Imageable element with solvent-resistant polymeric binder
The present invention provides an imageable element including a lithographic substrate and an imageable layer disposed on the substrate. The imageable layer includes a radically polymerizable...
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7258956 |
Printing plates comprising modified pigment products
The present invention discloses printing plates comprising a substrate and a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product. The...
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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...
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7247418 |
Imageable members with improved chemical resistance
Both single-layer and multilayer imageable elements have a substrate and at least one imageable layer. The elements can be used to prepare either negative- or positive-working imaged elements, for...
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7244543 |
Lithographic printing starting plate
A positive-working lithographic printing starting plate for an infrared laser is provided that includes a support having a hydrophilic surface and a heat-sensitive layer provided above the support....
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7232645 |
Support for lithographic printing plate and presensitized plate
The support for a lithographic printing plate obtained by performing graining treatment including electrochemical graining treatment on an aluminum plate, the aluminum plate is an aluminum plate...
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7232644 |
Polymerizable composition and negative-working planographic printing plate precursor using the same
The invention provides a polymerizable composition comprising: a binder polymer containing at least an acid group having an acid dissociation constant (pKa) of 5.5 or more and a radical addition...
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7226722 |
Imaging members with IR-sensitive polymer imageable layer
A negative-working, imageable element comprises a substrate and an IR-sensitive imageable layer comprising a dispersion of nanofibers of a preformed IR-sensitive polymer. The nanofibers can be...
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7217499 |
Aluminum support for lithographic printing plate and base plate for lithographic printing plate
An object of the present invention is to provide a support for lithographic printing plates provided with a photosensitive layer containing an acid generator and an acid-decomposable compound, that...
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7217498 |
Heat-sensitive lithographic printing plate precursor
A heat-sensitive lithographic printing plate precursor comprising a support having thereon two image-forming layers each containing a polymer insoluble in water and soluble in an aqueous alkaline...
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7214472 |
Printing plate material and printing process employing the same
Disclosed is a printing plate material comprising a surface roughened aluminum support, and provided thereon, an image formation layer containing a heat-curable polymer having a main chain polymer...
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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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7198883 |
Processless lithographic printing plate
A positive-working, heat-sensitive material for making a lithographic printing plate by direct-to-plate recording is disclosed. The material comprises a hydrophobized grained and anodized aluminum...
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7183039 |
1,4-dihydropyridine-containing IR-sensitive composition and use thereof for the production of imageable elements
Initiator system comprising:
(a) at least one substance capable of absorbing IR radiation, (b) at least one compound capable of forming free radicals, and (c) at least one 1,4-dihydropyridine...
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7175969 |
Method of preparing negative-working radiation-sensitive elements
A method of preparing negative-working, single-layer imageable elements improves their storage stability in a humid environment. The method includes enclosing the coated imageable elements in a...
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7175964 |
Printing plate material and its developing process
Disclosed is a manufacturing process of a printing plate material comprising a boehmite treated aluminum support, and provided thereon, an image formation layer containing water soluble resins or...
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7175949 |
Radiation-sensitive compositions and imageable materials
A negative-working radiation-sensitive composition includes a polymeric binder comprising a polymer backbone and having attached thereto a carbazole derivative represented by the following...
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7172850 |
Preparation of solvent-resistant binder for an imageable element
The present invention provides an imageable element including a lithographic substrate and an imageable layer disposed on the substrate. The imageable layer includes a radically polymerizable...
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7169534 |
Photopolymer composition suitable for lithographic printing plates
Radiation-sensitive elements are described whose radiation-sensitive coating comprises both a photopolymerizable oligomer with a biuret structural unit and a photopolymerizable phosphazene oligomer.
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7157209 |
Manufacturing process of aluminum support for planographic printing plate, aluminum support for planographic printing plate, planographic printing plate material and image formation process
A process for manufacturing an aluminum support for a planographic printing plate material, the process containing the steps of: (a) electrolytically surface-roughening an aluminum plate in an...
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7144678 |
Lithographic printing plate precursor
A lithographic printing plate precursor comprises: a support; and an image-forming layer including a fluoroaliphatic group-containing copolymer, wherein the fluoroaliphatic group-containing...
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7132212 |
Presensitized plate
A presensitized plate comprising a support for a lithographic printing plate including an anodized layer formed on an aluminum plate and a recording layer recordable by infrared laser exposure on...
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7125650 |
Method for bump exposing relief image printing plates
A process of producing a relief image printing plate, the process comprising the steps of providing a photosensitive printing element, quenching dissolved oxygen in the photosensitive resin layer...
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7108951 |
Photosensitive resin composition
The photosensitive resin composition comprising:
(A) a resin containing (A1) a repeating unit having at least two groups represented by the specific general formula; and (B) a compound...
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7105270 |
Fluoroaliphatic group-containing copolymer
The present invention provides a copolymer comprising repeating units derived from (A) at least one fluoroalkyl (meth) acrylate represented by the following general formula (I) or (II):
...
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7097957 |
Photosensitive resin laminate
A photosensitive resin laminate comprising at least a support, a photosensitive resin layer and an IR ablation layer, wherein the IR ablation layer comprises an IR absorbent metal layer which is...
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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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7087361 |
Support for lithographic printing plate, method of preparing the support and presensitized plate
A presensitized plate in which an image recording layer is formed on a support for a lithographic printing plate obtainable by performing a treatment with an aqueous solution containing one or more...
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7083895 |
Adhesion promoting ingredients for on-press developable lithographic printing plate precursors
Imageable elements, useful as on press developable lithographic printing plate precursors, are disclosed. The elements comprise an imageable layer over a substrate and an one or more adhesion...
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7078155 |
Presensitized plate for making lithographic printing plate
A presensitized plate useful for making a lithographic printing plates comprises an aluminum substrate provided thereon with a photopolymerizable light-sensitive layer, wherein the light-sensitive...
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7078154 |
Presensitized plate
A presensitized plate having: on an aluminum support, a thermosensitive layer containing a photothermal conversion agent which absorbs infrared rays and generates heat and a water-insoluble and...
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7078153 |
Planographic printing plate
The present invention provides a thermal type planographic printing plate which is writable by infrared laser beam exposure, can record images with high sensitivity and can provide a high quality...
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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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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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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...
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7056644 |
Producing method of photosensitive planographic printing plate and printing plate produced thereby
A method for producing a photosensitive planographic printing plate may comprise (i) carrying out electrolysis to an aluminum support in an aqueous solution of hydrochloric acid or nitric acid so...
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7049048 |
Alkali resistant polymeric interlayers for lithoplates
Substrates for lithographic printing plate precursors and lithographic printing plate precursors are disclosed. The substrates comprise an aluminum or aluminum alloy support and the a layer of...
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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...
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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...
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