FREE patent keyword monitoring and additional FREE benefits. /images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
Fresh Patents
Monitor Patents Patent Organizer How to File a Provisional Patent Browse Inventors Browse Industry Browse Agents Browse Locations


Radiation Imagery Chemistry: Process, Composition, Or Product Thereof > Imaging Affecting Physical Property Of Radiation Sensitive Material, Or Producing Nonplanar Or Printing Surface - Process, Composition, Or Product > Making Printing Plates > Lithographic

Lithographic

Lithographic patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

06/07/07 - 20070128550 - Method for preparation of lithographic printing plate and lithographic printing plate precursor
A method for preparing a lithographic printing plate comprising: exposing a lithographic printing plate precursor comprising a hydrophilic support, a photosensitive layer containing (A) a sensitizing dye having an absorption maximum in a wavelength range of from 350 to 450 nm represented by the formula (I) or (II) as defined ...

05/31/07 - 20070122748 - Photopolymer printing form with reduced processing time
The present invention is directed to an improved method of producing photosensitive printing plate blanks comprising the steps of: a) forming a first photocurable layer on a backing sheet; b) curing the first photocurable layer with actinic radiation to create a hard floor layer throughout the first photocurable layer; and ...

05/24/07 - 20070117048 - Method of manufacturing printing plate and method of manufacturing liquid crystal display device using the same
A method of manufacturing a precise printing plate, and a method of manufacturing an LCD device using the same are disclosed, the method of manufacturing the precise printing plate comprising forming a mask layer of a predetermined pattern on a substrate; etching the substrate with an etchant including an anionic ...

05/24/07 - 20070117047 - Printing plate, method of manufacturing of printing plate and liquid crystal display device using the same
A printing plate to form a precise pattern, a method for manufacturing the printing plate, and a method for fabricating an LCD device using the printing plate in which the printing plate includes a substrate having at least one trench and sidewall elements formed at an inner perimeter of the ...

05/03/07 - 20070099120 - Developing solution for lithographic printing plate precursor and method for making lithographic printing plate
An alkaline developing solution for development of a presensitized plate for use in making a lithographic printing plate, which developing solution comprises a polyoxyalkylene adduct of alkylene diamine, a polyoxyalkylene compound having an acid radical, and an anionic surfactant; a method for making a lithographic printing plate comprising the steps ...

04/19/07 - 20070087289 - Printing form and method for imaging a printing form
A printing form and method for imaging a printing form, in particular a printing sleeve or printing plate, is disclosed. The printing form, having a printing form carrier and a polymer layer which is applied to the printing form carrier, can be imaged and can be erased, it being possible ...

03/29/07 - 20070072127 - On-press developable lithographic printing plate having darker aluminum substrate
An on-press ink and/or fountain solution developable lithographic printing plate comprising a photosensitive layer over an electrochemically grained, anodized, hydrophilically treated aluminum substrate with a reflection optical density of at least 0.30 is disclosed. The photosensitive layer is soluble or dispersible in ink and/or fountain solution and capable of hardening ...

03/29/07 - 20070072126 - Method of producing photosensitive planographic printing plate precursor
The invention provides a method of producing a photosensitive planographic printing plate precursor including preparing a coating liquid by dissolving at least a compound having an addition polymerizable ethylenic double bond and a polymerization initiator in an organic solvent, and applying the coating liquid to a support, wherein the dissolved ...

03/15/07 - 20070059643 - Method of producing photosensitive planographic printing plate
A photosensitive planographic printing plate superior in sensitivity, developing efficiency, and printing durability is provided by a method of producing a photosensitive planographic printing plate, which comprises forming a photosensitive layer by applying a coating a solution containing a compound having an addition-polymerizable ethylenic double bond, a polymerization initiator, and ...

03/15/07 - 20070059642 - Method for thermal development of a photosensitive element using a development medium having a support
This invention relates to a method for thermally developing a photosensitive element to form a relief pattern. The method includes heating a composition layer of the element to cause a portion of the layer to liquefy and providing a development medium under tension to the element to absorb the liquefied ...

03/01/07 - 20070048667 - Printing plate, method of fabricating the same, and method of fabricating flat panel display using the same
A method of fabricating a printing plate includes: preparing a substrate; forming a metal layer on an entire surface of the substrate; forming a resist pattern on the metal layer, the resist pattern having a fine pattern exposing a portion of the metal layer; wet etching the exposed metal layer, ...

02/15/07 - 20070037097 - Process for preparing a flexographic printing plate
A flexographic printing plate is prepared from a photosensitive element having a photopolymerizable elastomeric layer with specific rheological properties. The element is imagewise exposed and thermally treated to form a relief structure suitable for flexographic printing. ...

01/25/07 - 20070020563 - Method for preparation of lithographic printing plate and lithographic printing plate precursor
A method for preparation of a lithographic printing plate comprising: exposing a lithographic printing plate precursor comprising a hydrophilic support, a photosensitive layer containing (A) a sensitizing dye having an absorption maximum in a wavelength range of from 350 to 450 nm, (B) a hexaarylbiimidazole compound, (C) a polymerizable compound, ...

01/04/07 - 20070003875 - Method for preparing a lithographic printing plate precursor
A method is disclosed wherein a positive-working heat-sensitive lithographic printing plate precursor is prepared comprising the steps of: (i) providing a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) coating a first solution comprising a first polymer, said first polymer being soluble in an ...

12/28/06 - 20060292495 - Thermal development system and method of using the same
An improved apparatus and a method of using the apparatus to remove non-crosslinked photopolymer from an imaged and exposed surface of a relief image printing element. Included are means for supporting and rotating the printing element, means for softening and/or melting non-crosslinked photopolymer on the imaged and exposed surface of ...

12/14/06 - 20060281027 - Aspherical-polymer fine particles and production method thereof, and method for producing lithographic printing plate, ink composition and electrophoretic particle composition
Aspherical-polymer fine particles are resin particles synthesized by polymerizing radically radical polymerizable monomers in a non-aqueous solvent in the presence of a resin for dispersal stability, wherein the aspherical-polymer fine particles have a sphericity of 0.95 or less. ...

11/30/06 - 20060269874 - 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 a lithographic printing ink used in combination with either water or a fountain solution. The imageable elements comprise an imageable ...

11/30/06 - 20060269873 - On-press developable imageable element comprising a tetraarylborate salt
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 component, an initiator system, and a polymeric binder. The imageable element further includes a tetraarylborate salt. The presence of the tetraarylborate salt may provide ...

11/16/06 - 20060257789 - Method for processing lithographic printing plates
The invention relates to a method of making a lithographic printing plate comprising the steps of providing a photopolymer printing plate precursor that is photopolymerizable upon absorption of light in the wavelength range from 300 to 700 nm, exposing said printing plate precursor with light in the range from 300 ...

11/16/06 - 20060257788 - Photosensitive structure for flexographic printing
A photosensitive structure for flexographic printing having a support (A) and, laminated thereon, an adhesive layer (B) and a photosensitive resin layer (C) different from said adhesive layer (B), wherein said adhesive layer (B) is an adhesive layer (B) comprising a thermoplastic elastomer (a) derived from at least one monovinyl ...

11/09/06 - 20060251993 - Method of on-press developing thermosensitive lithographic printing plate
A method of on-press developing a thermosensitive lithographic printing plate with ink and/or fountain solution is described. The lithographic plate comprises on a substrate a thermosensitive layer soluble or dispersible in ink and/or fountain solution and capable of hardening upon exposure to an infrared radiation. The printing plate can be ...

10/19/06 - 20060234162 - Lithographic printing with printing members including an oleophilic metal and plasma polymer layers
Printing members that include a plasma polymer layer exhibit enhanced tolerance for high imaging-power densities. The plasma polymer layer may contain or be adjacent to an oleophilic metal such as copper. ...

10/19/06 - 20060234161 - Method of making a lithographic printing plate precursor
A method of making a heat-sensitive lithographic printing plate precursor is disclosed which comprises the steps of (i) providing a web of a lithographic support having a hydrophilic surface; (ii) applying on the hydrophilic surface of the web a coating comprising a phenolic resin; (iii) drying the coating; (iv) a ...

10/05/06 - 20060223006 - Method of producing a planographic printing plate
The method of producing the planographic printing plate of the present invention comprises forming a crosslinked hydrophilic layer on a substrate by hardening a hydrophilic polymer having a crosslinkable group at one terminal and a crosslinker by heat or light, and forming a hydrophobic image by ejecting an inkjet composition ...

09/28/06 - 20060216648 - Nanopastes for use as patterning compositions
The present invention provides methods of imagewise exposing a thermally sensitive composition formed from a nanopaste comprising inorganic nanoparticles, a carrier, and preferably certain polymeric binders. The composition has been applied to a substrate and treated to improve adhesion. Exposure affects the solubility of exposed portions of the applied and ...

09/28/06 - 20060216647 - Photopolymerizable composition, light sensitive planographic printing plate material and manufacturing method of planographic printing plate
Disclosed is a photopolymerizable composition containing an ethylenically unsaturated monomer, a photopolymerization initiator and a sensitizing dye, wherein the photopolymerization initiator is comprised of an iron-arene compound and a tribromoacetic acid ester having a molecular weight of not less than 500, and the sensitizing dye is at least one selected ...

09/28/06 - 20060216646 - Plate-making method of lithographic printing plate precursor
A plate-making method of a lithographic printing plate precursor, which comprises exposing a lithographic printing plate precursor comprising a support and a photosensitive layer by utilizing an inner drum exposure apparatus having mounted thereon a light source having an oscillation wavelength in a range from 360 to 450 nm, wherein ...

09/28/06 - 20060216645 - Photoresist coatings for copper clad stainless steel printing plates
A copper clad metal printing plate can be coated with an azide-containing photoresist comprising a polyformal resin together with a modified polyformal resin that has up to 100% of its hydroxyl groups converted to carboxyl groups, an organo azide and a photosensitive dye that absorbs light at the frequency of ...

09/21/06 - 20060210928 - Method for thermally processing photosensitive printing sleeves
An improved method of manufacturing a photosensitive printing element that minimizes relief variation and improves image fidelity. The method involves a step of pre-curing the first (floor layer) of photocurable material prior to depositing an additional layer or layers of photocurable material that may be imaged and developed to produce ...

09/21/06 - 20060210927 - Lithographic printing plate support and method of manufacturing the same
A lithographic printing plate support capable of obtaining a presensitized plate which is excellent in scumming resistance and scratch resistance and achieves a good balance between sensitivity and press life, and a method of manufacturing the support are provided. The support includes a surface which has an arithmetic mean roughness ...

09/21/06 - 20060210926 - Aluminum alloy blank for lithographic printing plate and support for lithographic printing plate
There is provided an aluminum alloy blank for a lithographic printing plate comprising iron in a range of 0.20 to 0.80 wt %; and the balance being aluminum, a crystal grain refining element, and unavoidable impurity elements. In the aluminum alloy blank, a content of silicon is in a range ...

08/31/06 - 20060194152 - Infra-red switchable mixture for producing lithographic printing plate
Water-based mixtures that can be applied to substrates to produce infra-red sensitive layers with hydrophilic surfaces, which may be switched by image-wise exposure in an infrared imaging plate-setter to give oleophilic printing areas, for producing processless offset lithographic printing plates. ...

08/17/06 - 20060183054 - Method to remove unwanted, unexposed, positive-working, ir radiation sensitive layer
A method for eliminating unwanted ink-receptive sections in positive working printing plates resulting from shading of the surface layer during exposure by the clamps holding the plate on the exposure apparatus following development of an imagewise exposed precursor. Accordingly the areas that are shaded are identified prior to development and ...

06/15/06 - 20060127811 - Lithographic apparatus and device manufacturing method
A device manufacturing method includes projecting a patterned beam of radiation through an optics compartment and a channel that provides an open connection between the optics compartment and a substrate compartment onto a substrate, maintaining an ionized flush gas at a higher pressure in the channel than in the substrate ...

04/20/06 - 20060084008 - Compressible flexographic printing plate construction
The present invention relates to an improved compressible flexographic printing plate that uses a compressible layer comprising a polyurethane (meth)acrylate resin and microspheres. The process of the invention produces a chemically fused printing plate that eliminates the need for an adhesive to secure the compressible layer to the back of ...

04/13/06 - 20060078826 - Method for manufacture of lithographic printing plate precursor no dampening water
A method for manufacturing a lithographic printing plate precursor requiring no dampening water including: a support, a light-to heat conversion layer; and a silicone rubber layer in this order. The method includes: subjecting a surface of the support to a corona discharge treatment in a discharge amount of 0.01 to ...

04/06/06 - 20060073418 - 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 anodized aluminum support, having a hydrophilic surface, a coating comprising (i) polymer particles which are core-shell particles having a hydrophobic heat-softenable core ...

04/06/06 - 20060073417 - Photopolymer plate and method for imaging the surface of a photopolymer plate
A flexographic printing plate and a method for making a flexographic printing plate. According to one aspect, the method comprises the steps of providing a photopolymer substrate having a top surface pretreated with a non-gelatinous inkjet receptive coating; image-wise ink jetting an inkjet composition onto a portion of the pretreated ...

03/23/06 - 20060063110 - Process for preparing light-sensitive lithographic printing plate and method for processing the same
There is disclosed a process for preparing a negative type light-sensitive lithographic printing plate having an aluminum plate as a support and a light-sensitive layer, provided on the support, containing a polymer, an ethylenically unsaturated compound, a photopolymerization initiator and a sensitizer having an absorption at a wavelength region of ...

03/16/06 - 20060057500 - Method of manufacturing lithographic printing plate support
Disclosed is a method of manufacturing a lithographic printing plate support including the step of: subjecting an aluminum plate at least to electrochemical graining treatment in which alternating current is passed through the aluminum plate in an aqueous solution containing hydrochloric acid so that the total amount of electricity when ...

03/02/06 - 20060046199 - Production method of lithographic printing plate, lithographic printing plate precursor and lithographic printing method
A method for producing a lithographic printing plate is provided, wherein, in the non-alkaline development of a lithographic printing plate precursor having a protective layer, even if the protective layer components are mingled into the developer, the reduction in development removability of the image recording layer and the generation of ...

01/26/06 - 20060019200 - Method for making a negative working, heat-sensitive lithographic printing plate precursor
A method for making a heat-sensitive negative-working lithographic printing plate precursor is disclosed comprising the steps of (i) preparing a coating solution comprising hydrophobic thermoplastic polymer particles and a hydrophilic binder; (ii) applying said coating solution on a support having a hydrophilic surface or which is provided with a hydrophilic ...

01/19/06 - 20060014104 - Method for making a lithographic printing plate
A method for making a lithographic printing plate is disclosed which comprises the steps of: (i) providing a negative-working, heat-sensitive lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating comprising an image-recording layer ...

12/29/05 - 20050287477 - Method of making a lithographic printing plate precursor
A method of making a heat-sensitive lithographic printing plate precursor is disclosed which comprises the steps of (i) providing a web of a lithographic support having a hydrophilic surface; (ii) applying on the hydrophilic surface of the web a coating comprising a phenolic resin; (iii) drying the coating by supplying ...

11/10/05 - 20050250048 - 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 immediately after being imaged without the need for a post-imaging processing step. ...

09/08/05 - 20050196701 - Process for preparing a flexographic printing plate
A process for preparing a flexographic printing plate comprising providing a photosensitive element comprising a support and at least one photopolymerizable layer, providing a photomask adjacent the photopolymerizable layer opposite the support, exposing the photosensitive element with ultraviolet radiation between 200 and 300 nm through the photomask, exposing the photosensitive ...

08/25/05 - 20050186510 - Liquid transfer articles and method for producing the same using digital imaging photopolymerization
A liquid transfer article is provided including a support assembly and an imaged surface formed directly on the surface of the support assembly by digital photopolymerization. The support assembly is in the form of a polymeric base, and the liquid transfer article is formed by providing a liquid photopolymer on ...

08/18/05 - 20050181308 - Preparation method of printing plate material and printing plate material
A method for preparing a printing plate material containing a substrate having thereon a hydrophilic layer, comprising the steps of (i) applying on the substrate an aqueous coating solution for the hydrophilic layer, the coating solution containing colloid of spherical metal oxide particles and having a pH value of 8 ...



###

FreshPatents.com Support