| AGFA GRAPHICS NV Patent applications |
| Patent application number | Title | Published |
|---|
| 20120108746 | RADIATION CURABLE INKJET PRINTING METHODS - An inkjet printing method includes the steps of a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization; b) applying a layer of the first radiation curable composition on a substrate; c) curing the layer; d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization; and e) curing the jetted second composition by a different polymerization than the first composition. The first composition includes a cationically polymerizable compound having at least one (meth)acrylate group present in the first curable composition in an amount of at least 25 wt % based upon the total weight of the first curable composition. An inkjet ink set may be used in the above inkjet printing method. | 05-03-2012 |
| 20120088191 | lithographic printing plate precursor - A positive-working lithographic printing plate precursor is disclosed which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer a heat and/or light-sensitive coating including an infrared absorbing agent and a compound including a benzoxazine group. | 04-12-2012 |
| 20120071593 | POLYMERIC DISPERSANTS AND NON-AQUEOUS DISPERSIONS - A non-aqueous pigment dispersion includes a pigment, a non-aqueous dispersion medium, and a polymeric dispersant including at least one oxalylamide structural unit according to Formula (I): | 03-22-2012 |
| 20120046376 | POLYMERIZABLE POLYMERIC PHOTOINITIATORS AND RADIATION CURABLE COMPOSITIONS - A polymerizable polymeric photoinitiator according to Formula (I): | 02-23-2012 |
| 20120034565 | Lithographic printing plate precursor - A lithographic printing plate precursor comprising a coating provided on a support having a hydrophilic surface, the coating containing thermoplastic polymer particles and an infrared radiation absorbing dye characterized in that the coating further comprises a phenolic stabilizer. | 02-09-2012 |
| 20110315034 | LITHOGRAPHIC PRINTING PLATE - A lithographic printing plate precursor is provided which comprises an aluminum support having a hydrophilic surface and a coating provided thereon, said coating comprising a photopolymerisable composition having a polymerisable compound, a pigment dispersed with a dispersant, a polymerization initiator and a binder, characterized in that the dispersant is a compound free of —COOH, —PO | 12-29-2011 |
| 20110310415 | METHOD AND APPARATUS FOR CALCULATING METAMERIC COLORS - A method for creating a set of metameric printed color patches on a color printer enables visual assessment under a specific illuminant if the colors of a printed product have faded. | 12-22-2011 |
| 20110287364 | LITHOGRAPHIC PRINTING PLATE PRECURSOR - A lithographic printing plate precursor comprising a coating provided on a support having a hydrophilic surface, the coating containing thermoplastic polymer particles and an IR-dye characterized in that the IR-dye contains a structural element according to Formula I | 11-24-2011 |
| 20110249298 | METHOD FOR REDUCING IMAGE QUALITY ARTIFACTS IN THREE-DIMENSIONAL PRINTING - A relief print master, such as a flexographic print master or sleeve is created by printing a sequence of intermediate layers on top of each other with an inkjet printing system. The top layer corresponds with the halftoned image that is to be printed by the print master and the lower intermediate layers are supporting layers. The pixels of the intermediate layers that are stacked on top of each other are printed with different nozzles to reduce image quality artifacts. Both a method and a system are described. | 10-13-2011 |
| 20110249048 | IMAGE PROCESSING METHOD FOR THREE-DIMENSIONAL PRINTING - A relief print master is created by printing a sequence of layers on top of each other by an inkjet printing system. The top layer corresponds with the binary halftoned image that is to be printed by the print master and the lower intermediate layers are supporting layers. The features in a lower supporting layer have an area that is larger than the corresponding features in a higher supporting layer. A circular spread function is applied on the features of a higher intermediate layer to increase the area of the features in a lower intermediate layer. By using a sequence of two non-circular spread functions, the circular spread function is approximated and the number of required calculations can be reduced. | 10-13-2011 |
| 20110247516 | New Alkali Soluble Resin - An alkali soluble resin is disclosed comprising a first monomeric unit including at least one sulfonamide group and a second monomeric unit derived from the monomer according to the following structure (I) wherein R | 10-13-2011 |
| 20110224324 | POLYMERIZABLE PHOTOINITIATORS AND RADIATION CURABLE COMPOSITIONS - A polymerizable photoinitiator is represented by Formula (I): | 09-15-2011 |
| 20110219973 | IMAGING APPARATUS AND METHOD FOR MAKING FLEXOGRAPHIC PRINTING MASTERS - A method for making a flexographic printing master includes the steps of providing a flexographic printing support; providing an inkjet printing device; applying a mesa relief on the flexographic printing support with the inkjet printing device; and applying an image relief with the inkjet printing device on the mesa relief. A method for making a flexographic printing master includes the imaging apparatus. | 09-15-2011 |
| 20110219972 | INKJET PRINTING APPARATUS AND METHOD FOR MAKING FLEXOGRAPHIC PRINTING MASTERS - A method for making a flexographic printing master includes the steps of providing a flexographic printing support: applying image-wise on the flexographic printing support subsequent layers of radiation curable liquid by an inkjet printing device whereby one or more applied layers are immobilized using a curing device before one or more subsequent layers are applied, such that a relief with a top hat profile is obtained; and grinding the relief so that the height DT of a top hat segment is reduced. An imaging apparatus includes structure to perform the above method. | 09-15-2011 |
| 20110209635 | SLEEVES AND SLEEVE SEGMENTS FOR FLEXOGRAPHY - A sleeve segment for flexography has the shape of a sleeve with a first circular side containing a female registration element and a second circular side containing a male registration element. Also a method for manufacturing a flexographic sleeve segment, segmented sleeves and methods of flexographic printing. | 09-01-2011 |
| 20110195198 | POLYMERIZABLE PHOTOINITIATORS AND RADIATION CURABLE COMPOSITIONS - A polymerizable Norrish Type II photoinitiators includes an optionally substituted benzophenone group or an optionally substituted thioxanthone group exhibiting improved compatibility with and solubility in radiation curable compositions. Radiation curable compositions and inkjet inks can contain these polymerizable Norrish Type II photoinitiators, exhibiting low extractable amounts of the photoinitiators and their residues after curing. | 08-11-2011 |
| 20110195194 | CATIONIC RADIATION CURABLE COMPOSITIONS - A UV radiation curable composition includes a cationic photoinitiator according to Formula (I) or (II): | 08-11-2011 |
| 20110165518 | LITHOGRAPHIC PRINTING PLATE PRECURSOR - A lithographic printing plate precursor includes a coating provided on a support having a hydrophilic surface, the coating containing thermoplastic polymer particles and an infrared radiation absorbing dye characterized in that the dye contains a substituent selected from bromo and iodo. | 07-07-2011 |
| 20110159203 | RADIATION CURABLE COMPOSITIONS - A polymerizable Norrish Type II photoinitiator according to Formula (I): | 06-30-2011 |
| 20110143284 | METHOD AND APPARATUS FOR PREPARING LITHOGRAPHIC PRINTING PLATE PRECURSORS - A method of preparing a lithographic printing plate in which no pre-heat step is used comprising the steps of:—providing a lithographic printing plate precursor comprising a support and a photopolymerizable image-recording layer, the image-recording layer comprising a monomer and a binder;—image-wise exposing the precursor in an exposure unit;—off press developing the exposed precursor with an aqueous solution in a processing unit; characterized in that the ratio of the total amount of monomer to the total amount of binder is at least 1 and the time lapse between exposing an image-area of the precursor and contacting the image-area with the aqueous solution is at least 1 minute. | 06-16-2011 |
| 20110126760 | IMAGING APPARATUS AND METHOD FOR MAKING FLEXOGRAPHIC PRINTING MASTERS - A method for making a flexographic printing master includes a first step of providing a flexographic printing support; a second step of applying image wise with a first resolution a layer of a radiation curable liquid partially covering the printing side of the support; a third step of flood exposing the applied radiation curable layer to fully cure the layer; and a fourth step of image wise laser engraving the cured layer with a second resolution which is higher than the resolution of the second step. An imaging apparatus can perform the above method. | 06-02-2011 |
| 20110124768 | CURABLE LIQUIDS AND INKS FOR TOYS AND FOOD PACKAGING APPLICATIONS - A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates. If the weight percentage of compounds B>24 wt %, then the weight percentage of compounds C>1 wt %; and wherein all weight percentages of A, B and C are based upon the total weight of the polymerizable composition. At least one polymerizable compound B or C is present in the polymerizable composition if the free radical curable liquid contains no initiator. The polymerizable compound A has a copolymerization ratio of | 05-26-2011 |
| 20110111347 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a positive-working lithographic printing plate includes the steps of: (1) providing a heat-sensitive printing plate precursor including on a support, having a hydrophilic surface or which is provided with a hydrophilic layer, a heat-sensitive coating; (2) image-wise exposing the precursor with heat and/or light; and (3) developing the exposed precursor with an aqueous alkaline developing solution including lithium ions at a concentration of at least 0.05% wt and a salt of an aliphatic carboxylic acid; wherein the molar ratio of the aliphatic carboxylic acid to the lithium ions is ≧1. | 05-12-2011 |
| 20110108518 | METHOD AND DEVICE FOR COATING A PERIPHERAL SURFACE OF A SLEEVE CORE - A method of coating a peripheral surface of a sleeve core with a radiation curable coating liquid including the steps of: supporting a sleeve core in a vertical position coaxial with a coating axis; providing an annular coating collar, supplying the coating liquid to the annular coating collar and moving the annular coating collar along the sleeve core in a vertical direction coaxial with the coating axis, thereby coating a layer of the coating liquid onto the peripheral surface of the sleeve core; wherein the coated layer of the coating liquid is cooled by the peripheral surface of the sleeve core to have a viscosity at the temperature of the peripheral surface of the sleeve core and at a shear rate of 10 s | 05-12-2011 |
| 20110069130 | MULTIFUNCTIONAL TYPE II PHOTOINITIATORS AND CURABLE COMPOSITIONS - A multifunctional Type II photoinitiator according to Formula (I): | 03-24-2011 |
| 20110065042 | PHOTOPOLYMERIZABLE COMPOSITION - A composition that is photopolymerizable upon absorption of light and/or heat, the composition including a binder, a polymerizable compound, a sensitizer, and a photoinitiator, characterized in that the composition includes, with respect to its non-volatile compounds, at least about 0.01 wt. % of a polythiol compound and has a very high sensitivity and hardness. | 03-17-2011 |
| 20110063388 | POLYMERIZABLE TYPE II PHOTOINITIATORS AND CURABLE COMPOSITIONS - A polymerizable Type II photoinitiator according to Formula (I): | 03-17-2011 |
| 20110059401 | METHOD FOR PREPARING LITHOGRAPHIC PRINTING PLATES - A method of preparing a lithographic printing plate including the steps of providing a lithographic printing plate precursor including a photopolymerizable coating provided on a hydrophilic support;—image-wise exposing the precursor;—pre-heating the exposed precursor;—developing the exposed precursor in a gum solution; wherein after pre-heating and before developing the precursor an accelerated cooling of the precursor is carried out and the cooling does not essentially remove a part of the coating of the precursor. | 03-10-2011 |
| 20110059398 | PHOTOPOLYMERIZABLE COMPOSITION - A composition that is photopolymerizable upon absorption of light and/or heat, the composition including a binder, a polymerizable compound, a sensitizer, and a photoinitiator, characterized in that the composition includes, with respect to its non-volatile compounds, at least about 0.01 wt. % of a polythiol compound and has a very high sensitivity and hardness. | 03-10-2011 |
| 20110048265 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE SUPPORT - A method for making a lithographic aluminum printing plate support comprising the steps of (i) graining said support by applying a charge density x; (ii) desmutting the grained support; (iii) graining the desmutted support by applying a charge density y; (iv) anodizing the support; characterized in that during each graining step a current density varying between 80 and 250 A/dm2 is applied and that the ratio x/x+y varies between 0.3 and 0.7. | 03-03-2011 |
| 20110014381 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE SUPPORT - A method for making a lithographic printing plate support includes the steps of providing an aluminum support; graining the support in a graining electrolyte solution; and treating the grained support in a desmut electrolyte solution containing hydrochloric acid by applying a direct current resulting in a charge density Q; wherein the desmut electrolyte solution has a pH less than 1 and Q is at least 400 C/dm | 01-20-2011 |
| 20110007106 | INK SUPPLY SYSTEM WITHOUT PUMP, FOR INK JET PRINTER WITH INK RECIRCULATION SYSTEM - An ink supply system for an industrial inkjet printer makes use of a least one buffer vessel wherein ink at low pressure is isolated and pressurized to a high pressure suited for feeding the ink to the printhead. A recirculation ink supply system using plural buffer vessels is suited for repressurizing the ink without the use of a pump. The system avoids generation of gas bubbles due to cavitation which are present in systems using a pump for repressurizing ink. | 01-13-2011 |
| 20110000385 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate includes the steps of providing a lithographic printing plate precursor including a support, with a hydrophilic surface or which is provided with a hydrophilic layer, and a coating provided thereon, the coating including an image-recording layer which includes thermoplastic particles; exposing the precursor to heat or infrared radiation; and developing the exposed precursor in an alkaline aqueous solution; wherein the alkaline aqueous solution includes at least 0.05 g/l of lithium ions. | 01-06-2011 |
| 20110000384 | METHOD FOR TREATING A LITHOGRAPHIC PRINTING PLATE - Method for cleaning a lithographic printing plate comprising the step of applying a liquid to the plate including an aqueous phase, a solvent phase and at least one alkyl (poly) glucoside, said solvent phase including a mixture comprising aliphatic and/or aromatic hydrocarbons, characterized in that the amount of solvent phase in the liquid is ≦40% wt. | 01-06-2011 |
| 20100331478 | RADIATION CURABLE INKJET PRINTING METHODS - An inkjet printing method includes the steps of a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization; b) applying a layer of the first radiation curable composition on a substrate; c) curing the layer; d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization; and e) curing the jetted second composition by a different polymerization than the first composition. The first composition includes a cationically polymerizable compound having at least one (meth)acrylate group present in the first curable composition in an amount of at least 25 wt % based upon the total weight of the first curable composition. An inkjet ink set may be used in the above inkjet printing method. | 12-30-2010 |
| 20100330296 | RADIATION CURABLE INKJET FLUIDS AND INKS IMPROVED FOR PHOTOYELLOWING - A radiation curable inkjet fluid includes a radiation curable composition including at least 25 wt % of a vinylether acrylate and at least 15 wt % of a polymerizable compound including at least three acrylate groups, each wt % being based upon the total weight of the radiation curable composition; and a photoinitiator including a tertiary amine group and 0 to 3 wt % of isopropylthioxanthone based upon the total weight of the radiation curable inkjet fluid. Also, an inkjet printing method using the radiation curable inkjet fluid. | 12-30-2010 |
| 20100313782 | CURABLE LIQUIDS AND INKS FOR TOYS AND FOOD PACKAGING APPLICATIONS - A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; and a polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 selected from the group consisting of a vinlyether group, an allylether group, and a allylester group; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates. If the weight percentage of compounds B>24 wt %, then the weight percentage of compounds C>1 wt %, and all weight percentages of A, B, and C are based upon the total weight of the polymerizable composition. At least one polymerizable compound B or C is present in the polymerizable composition if the free radical curable liquid contains no initiator. | 12-16-2010 |
| 20100309268 | RADIATION CURABLE INKJET PRINTING METHODS - A radiation curable inkjet printing method for producing printed flexible foils and plastic bags includes the steps of a) providing a web-like polymeric substrate having a maximum value for Tan δ between 40° C. and 110° C.; b) providing a single pass inkjet printer having at least one page-wide printhead or at least one set of staggered printheads, a transporting device arranged to transport the web-like recording medium, and a curing device; c) jetting onto the web-like polymeric substrate having a surface energy Ssub, a non-aqueous radiation curable inkjet liquid having a surface tension SLiq, wherein SLiq is smaller than SSub by at least 4 mN/m; and d) curing the radiation curable liquid on the substrate at a surface temperature equal or higher than the temperature of the maximum value for Tan δ and smaller than the melting point of the polymeric recording medium. The maximum value for Tan δ is determined by dynamic mechanical analysis at a temperature ramp of 3° C./min using forced oscillation with a cycle of 1 second and an amplitude of 100 μm. Also, a single pass inkjet printer for performing the method. | 12-09-2010 |
| 20100307360 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE PRECURSOR - A method for making a lithographic printing plate precursor comprising the steps of: (i) providing a grained and anodized aluminum support; (ii) treating the support with an aqueous solution comprising a salt of zirconium; (iii) treating the support with an aqueous solution comprising a compound comprising a phosphonic acid group and/or an ester or a salt thereof; (iv) applying a coating comprising hydrophobic particles and a binder; (v) drying said coating. | 12-09-2010 |
| 20100305336 | PREPARATION METHOD OF COPOLYMERIZABLE PHOTOINITIATORS - An intermediate for preparing (meth)acrylated photoinitiators according to Formula (I): | 12-02-2010 |
| 20100304149 | RADIATION CURABLE COMPOSITIONS FOR FOOD APPLICATIONS - A liquid radiation curable composition for inkjet printing includes a photoinitiating system consisting of one or more diffusion hindered photoinitiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric or polymeric initiators, and polymerizable initiators, and one or more polymerizable co-initiators, wherein at least one of the polymerizable co-initiators is a polymerizable aromatic tertiary amine. Inkjet inks, an inkjet printing process, and packaging materials may include the liquid radiation curable composition. | 12-02-2010 |
| 20100302300 | WHITE INKJET INK IMPROVED FOR DISPERSION STABILITY - An inkjet printing method includes the steps of
| 12-02-2010 |
| 20100274023 | NOVEL INTERMEDIATE COMPOUNDS FOR THE PREPARATION OF MESO-SUBSTITUTED CYANINE, MEROCYANINE AND OXONOLE DYES - The present invention provides new intermediate compounds enabling the preparation of N-meso substituted cyanine, merocyanine or oxonole dyes wherein the N-meso substituent comprises electron withdrawing groups and wherein such N-meso substituents are introduced at the intermediate level. These intermediates enable the formation of dyes having in the meso-position N-substituents comprising electron withdrawing groups without the need for further derivatization of the meso-substituent at the dye level. | 10-28-2010 |
| 20100248150 | METHOD FOR PREPARING LITHOGRAPHIC PRINTING PLATE PRECURSORS - The method of preparing a lithographic printing plate precursor according to the present invention comprises the steps of: providing an aluminum support; graining and anodizing the aluminum support; without applying a hydrophilic layer on the anodized aluminum support, coating a composition which is photopolymerizable upon absorption of light having a wavelength in the range of from 350 nm to 450 nm and comprising a polymerizable monomer or oligomer, a binder and a photo-initiator on the grained and anodized aluminum support to form a photopolymerizable layer; coating an overcoat on the photopolymerizable layer; characterized in that the ratio of the total solid amount of polymerizable monomer and oligomer to the total solid amount of binder is from 1.0 to 2.0. | 09-30-2010 |
| 20100227271 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate is disclosed which comprises the steps of: (1) providing a heat-sensitive lithographic printing plate precursor comprising on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat-sensitive coating, (2) image-wise exposing said precursor with IR-radiation or heat, and (3) developing said image-wise exposed precursor with an alkaline developing solution, characterised in that a sludge inhibiting agent is present in said precursor or in said developing solution or in said precursor and said developing solution, and wherein said sludge inhibiting agent is a triazaindolisine compound. According to the above method, the formation of sludge is inhibited or reduced. | 09-09-2010 |
| 20100221662 | HEAT-SENSITIVE IMAGING ELEMENT - A heat-sensitive imaging element includes an IR dye having a structure according to Formula I, | 09-02-2010 |
| 20100209851 | METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE - A method of making a lithographic printing plate comprising the steps of: a) providing a lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer, and a coating provided thereon, said coating comprising (i) a contiguous photopolymerisable layer having a photopolymerisable composition, or (ii) a contiguous intermediate layer and thereon a photopolymerisable layer having a photopolymerisable composition, wherein said photopolymerisable composition comprises a polymerisable compound, a polymerization initiator and a first polymer, b) image-wise exposing said coating, c) optionally, heating the precursor, d) developing the precursor by treating the coating of the precursor with a gum solution or by mounting the exposed precursor on a plate cylinder of a lithographic printing press and rotating the plate cylinder while feeding dampening liquid and/or ink to the coating, wherein said contiguous photopolymerisable or intermediate layer further comprises (1) an adhesion promoting compound which is a non-polymeric compound containing a group having an ethylenically unsaturated bond and a group selected from a phosphate group, a phosphonate group and a trialkoxysilane group, and (2) a second polymer having at least 1 mol % of a first monomeric unit having a phosphate group, a phosphonate group, a carboxylic acid group, a sulphonic acid group, a phenolic group, a trialkoxysilane group, an ammonium group or a phosphonium group and at least 30 mol % of a second monomeric unit having a hydrophilic group, wherein the amount of said adhesion promoting compound is higher than the amount of said second polymer, with the proviso that, if the contiguous layer is the photopolymerisable layer, the amount of said second polymer xn the photopolymerisable layer is at least 0.01% by weight and less than 5% by weight. | 08-19-2010 |
| 20100203458 | METHOD FOR DEVELOPING A PRINTING PLATE PRECURSOR - A method for developing a printing plate precursor comprising the step of immersing the precursor in an aqueous alkaline developing solution comprising a (co) polymer comprising a monomeric unit which is represented by the following formula (I): wherein L is a linking group; R | 08-12-2010 |
| 20100201039 | METHOD OF PREPARING A FLEXOGRAPHIC PRINTING FORME - A method of making a flexographic printing forme includes the steps of: (1) providing a flexographic support; (2) applying a powder layer on said the support; (3) imagewise jetting a curable composition on the powder layer; (4) at least partially curing the jetted curable composition; (5) repeating steps (2) to (4) until the total thickness of the powder layers is greater than 100 μm; (6) removal of the powder not embedded in the imagewise jetted and at least partially cured composition; and (7) optionally overall post curing. | 08-12-2010 |
| 20100196827 | METHOD OF MAKING A FLEXOGRAPHIC PRINTING SLEEVE FORME - A method of making a flexographic printing sleeve forme includes the steps of forming a sleeve body by providing one or more at least partially cured uniform layers on a sleeve carrier; forming a relief image on the sleeve body by imagewise jetting a curable jetting fluid; and optionally overall post-curing; characterized in that between formation of the sleeve body and formation of the relief image no polishing or grinding is performed. | 08-05-2010 |
| 20100190105 | LITHOGRAPHIC PRINTING PLATE PRECURSOR - A lithographic printing plate precursor comprising an image-recording layer, said image-recording layer being photopolymerizable upon exposure to light having a wavelength of from 300 to 500 nm and containing a mixture of sensitizers. | 07-29-2010 |
| 20100159388 | LITHOGRAPHIC PRINTING PLATE PRECURSOR - A lithographic printing plate precursor comprising an image-recording layer, said image-recording layer being photopolymerizable upon exposure to light having a wavelength of from 300 to 500 nm and containing a mixture of sensitizers. | 06-24-2010 |
| 20100151390 | METHOD OF MAKING A PHOTOPOLYMER PRINTING PLATE - A method for making a lithographic printing plate includes the steps of providing a printing plate precursor including a support and photosensitive coating wherein the photosensitive coating includes a photopolymerizable composition; image wise exposing the printing plate precursor on an external drum apparatus emitting one or more scanning laser beams having a wavelength between 390 nm and 420 nm and an energy density, measured on the surface of the precursor, of 100 μJ/cm | 06-17-2010 |
| 20100137180 | METHOD FOR TREATING A LITHOGRAPHIC PRINTING PLATE - A method for treating a lithographic printing plate including the step of applying a liquid containing a surfactant to the plate, characterized in that the surfactant includes at least one hydrophilic segment including polyglycerol, and at least one hydrophobic segment selected from an optionally substituted alkylene group, an alkyl or aryl substituted poly(meth)acrylate, an optionally substituted polyester, polyether, polyurethane, polycarbosilane, polysiloxane, polystyrene and/or a polymer including a perfluoroalkyl group with the proviso that the liquid is not applied as a fountain solution. | 06-03-2010 |
| 20100133112 | LITHOGRAPHIC PRINTING PLATE SUPPORT - A method for making a lithographic printing plate support is disclosed comprising the steps of: (i) providing an aluminum support; (ii) treating said support in an aqueous solution; (iii) graining said treated support in an electrolyte solution by applying an alternating voltage thereby inducing a local current density J; characterized in that said local current density J at time t fulfills the following equation: J(t)≦α+bQ(t) for t=o to t=t | 06-03-2010 |
| 20100129755 | METHOD FOR MAKING A LITHOGRAPHIC PRINTER PLATE PRECURSOR - A method for making a lithographic printing plate precursor is disclosed comprising the steps of a. providing a lithographic printing plate precursor including a support having a hydrophilic surface or which is provided with a hydrophilic layer, a photopolymerizable coating comprising a photopolymerizable composition, and an overcoat layer comprising a water soluble low molecular weight acid, wherein said overcoat layer has a surface pH-value ranging between 1 to 6; b. image-wise exposing the precursor; c. optionally heating the exposed precursor; d. processing the obtained precursor by applying a gum solution and optionally brushing the precursor, and/or by mounting the precursor on a plate cylinder of a lithographic printing press and rotating the plate cylinder while feeding dampening liquid and/or ink to the coating. The printing plate obtained after imaging and processing in an off-press configuration with a gum solution or in an on-press configuration with fountain solution and ink shows an improved roll-up performance in the start-up of a printing process on a printing press. | 05-27-2010 |
| 20100112476 | A LITHOGRAPHIC PRINTING PLATE PRECURSOR - A lithographic printing plate precursor is disclosed which comprises a support having a hydrophilic surface or which is provided with a hydrophilic layer, and a coating thereon, said coating comprising an IR absorbing agent and a contrast enhancing compound, characterized in that said contrast enhancing compound has the structure of formula (I). The printing plate comprising the contrast enhancing compound improves the thermoresponsivity of the coating and is capable of improving the resistance of the coating in the non-exposed areas against the alkaline developer. | 05-06-2010 |
| 20100104980 | LITHOGRAPHIC PRINTING PLATE PRECURSOR - A lithographic printing plate precursor comprising an image-recording layer, said image-recording layer being photo-polymerizable upon exposure to actinic light and containing a mixture of sensitizers characterized in that said mixture of sensitizers has in 1-methoxy-2-propanol at 80° C. a solubility of at least 30 wt. %. and preferably a MetaStable Zone Width (MSZW) of at least 8.5° C., said MSZW measured at a cooling and heating rate of 0.2° C./minute. | 04-29-2010 |
| 20100073717 | REAL-TIME SYNCHRONIZATION OF FRONT AND BACK SIDE PRINTING IN DOUBLE-SIDED WEB PRINTING - A system and a method for synchronizing printing of images on both sides of a web in a double-sided web printer includes a method including printing a first image on a first side of the web by a first printing device; printing a second image on a second side of the web, opposite the first side, by a second printing device; sensing a position of the web, relative to the second printing device, by a web position measuring device; real-time communicating an electronic printing position signal, representative for the printing position of the first image on the web, between the first printing device and the second printing device; and printing the second image synchronized to the first image based on the electronic printing position signal and the position of the web relative to the second printing device. | 03-25-2010 |
| 20100073439 | SHUTTLE MOUNTED PRESSURE CONTROL DEVICE FOR INKJET PRINTER - A shuttle air supply system which regulates the air pressure in an ink tank of an inkjet printer includes a vacuum supply line coupled to a fixed vacuum source, a valve for controlling the opening of the vacuum supply line actuated by a valve control circuit obtaining measurements from a pressure sensor sensing the pressure in the ink tank and wherein the pressure in the ink tank is regulated by the valve control circuit to a desired ink tank pressure. A pressurized air supply line coupled to a fixed value pressurized air supply and an air pressure valve controlled by the valve control circuit can be added to enhance the pressure setting range. | 03-25-2010 |
| 20100059399 | BULK PACKAGING SYSTEM AND METHOD FOR PACKAGING PRINTING PLATES - In a bulk package system the stack of plates having a height Hplate is contacted and stabilized by an internal packaging structure with a height Hint which is higher than the stack to aid in protection of the plates from forces from above. A separate external packaging structure is provided with a height Hext being equal or larger than Hint. Forces acting upon the external packaging structure caused by e.g., collisions are not transferred to the stack of plates. The external packaging structure is assembled after the internal packaging structure. | 03-11-2010 |
| 20100055610 | HEAT SENSITIVE POSITIVE-WORKING LITHOGRAPHIC PRINTING PLATE PRECURSOR - A heat-sensitive positive-working lithographic printing plate precursor comprising | 03-04-2010 |
| 20100050895 | PROCESSLESS LITHOGRAPHIC PRINTING PLATE - According to the present invention a non-ablative, negative-working, heat-sensitive printing plate precursor is disclosed capable of switching from a hydrophilic state into a hydrophobic state upon exposure to heat and/or infrared light. The printing plate precursor is obtainable by the method comprising the step of providing on a support a titanium oxide layer by reactive physical vacuum deposition of titanium, characterised in that said vacuum deposition is carried out under a partial oxygen pressure of 10% or more and less than 25%. | 03-04-2010 |
| 20100048756 | NOVEL RADIATION CURABLE COMPOSITIONS - A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, characterized in that said co-initiator is a oligomer or polymer having a repeating unit, said repeating unit comprising at least two tertiary amines, and said polymer being prepared by the polycondensation of di- or oligofunctional Michael acceptors with mono- or oligofunctional aliphatic primary amines or with di- or oligofunctional aliphatic secondary amines or with a mixture thereof. | 02-25-2010 |
| 20100047455 | STABLE NON-AQUEOUS INKJET INKS - A non-aqueous inkjet ink includes a diketopyrrolo-pyrrole pigment and at least one polyalkyleneglycol dialkylether having a molecular weight of at least 250. Also, a method for manufacturing decorative laminates using the non-aqueous inkjet ink is provided. | 02-25-2010 |
| 20100047454 | INKJET PRINTING METHODS AND INKJET INK SETS - An inkjet printing method including, in order, the steps of: a) providing at least two or more color inkjet inks of the same color and color density but having a different composition to an inkjet printer; b) mixing the two or more color inkjet inks in a controlled amount; and c) printing the mixture of the two or more color inkjet inks with the inkjet printer onto an ink-receiver. An inkjet printer and an inkjet ink set include two or more color inkjet inks of the same color and color density but having a different composition. | 02-25-2010 |
| 20100041784 | NOVEL RADIATION CURABLE COMPOSITIONS - A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator characterized in that said co-initiator is represented by Formula (I), wherein MA is the residue of a mono- or oligofunctional Michael acceptor; L is a divalent linking group positioning the two tertiary amines in a 1-3 to 1-10 position, with the proviso that both amines are aliphatic; R1, R2 and R3 independently represent an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted alkynyl group or an optionally substituted (hetero) alkaryl group; any two of R1, R2 and R3 may represent the necessary atoms to form a ring; any two of R1, R2 and R3 may represent the necessary atoms to form a ring with any of the atoms of the linking group L; n is an integer ranging from 1 to 6. | 02-18-2010 |
| 20100040976 | HEAT-SENSITIVE IMAGING ELEMENT - A heat-sensitive imaging element includes an IR dye, and more particularly a heat-sensitive lithographic printing plate precursor includes the IR dye. A method for making the lithographic printing plate produces a print-out image of high contrast upon exposure to IR-radiation or heating. | 02-18-2010 |
| 20100039486 | INK DEGASSING FOR CIRCULATING INK SUPPLY SYSTEMS IN INK JET PRINTERS - An ink circulation system includes a supply subtank for supplying ink to an ink jet print head and a return subtank returning the ink not ejected by the ink jet print head. A print circulation path links the supply subtank with the ink jet print head and the return subtank for providing a print flow of ink from the supply subtank to the ink jet print head, the return subtank, and back to the supply subtank. A degas circulation path links the supply subtank with a through-flow degassing unit for providing a degas flow of ink from the supply subtank to the through-flow degassing unit and back to the supply subtank. The ink circulation system improves the degassing quality of the ink supplied to the ink jet print head of a printing apparatus is provided. | 02-18-2010 |
| 20100039463 | WHITE INKJET INK IMPROVED FOR DISPERSION STABILITY - An inkjet printing method includes in order the steps of: a) providing to an inkjet printer one or more colorless liquids and a white ink including a pigment with a refractive index greater than 1.60; b) mixing the white ink in a controlled amount with the one or more colorless liquids to form a white ink-mixture wherein the viscosity is reduced by at least 5 mPa·s by reference to the white ink when measuring the viscosity at 40° C. with a Brookfield DV-II+Pro at 12 rotations per minute; and c) printing the white ink-mixture with the inkjet printer onto an ink-receiver. Additionally, a color inkjet ink set includes the one or more colorless liquids and the white ink, and an inkjet printer for use in the inkjet printing method. | 02-18-2010 |
| 20100037791 | METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate including the steps of providing a lithographic printing plate precursor including a heat sensitive image-recording layer, the image-recording layer including hydrophobic thermoplastic particles; image-wise exposing the precursor to infrared radiation having an energy density of 190 mJ/cm2 or less; mounting the exposed precursor on a printing press; developing the mounted precursor by supplying ink and/or fountain; and baking the plate by keeping the plate at a temperature above the glass transition temperature of the thermoplastic particles during a period between 5 seconds and 2 minutes. | 02-18-2010 |
| 20100029813 | NON-AQUEOUS PIGMENTED INKJET INKS - A non-aqueous inkjet ink includes a benzimidazolone pigment and a polymeric dispersant according to Formula (I): | 02-04-2010 |
| 20100026743 | INKJET PRINTING METHODS AND INK SETS - An inkjet printing method includes, in order, the steps of | 02-04-2010 |
| 20100021846 | NEGATIVE WORKING, HEAT-SENSITIVE LITHOGRAPHIC PRINTING PLATE PRECURSOR - A heat-sensitive negative-working lithographic printing plate precursor comprising:
| 01-28-2010 |
| 20100018438 | METHODS FOR PREPARING CURABLE PIGMENT INKJET INK SETS - A curable pigment inkjet ink set includes mprg a cyan inkjet ink, a yellow inkjet ink, and a magenta inkjet ink, wherein
| 01-28-2010 |
| 20100014109 | METHOD TO REDUCE UNPRINTED SUBSTRATE WASTE DURING DIGITAL PRINTING - A method for printing more than one print job on a web based printer divides the web into logical print zones. Print jobs are assigned to different print zones by a multiplexer. The width and length of the print zones can vary during the printing as function of the print jobs. The method reduces the waste of unprinted substrate. | 01-21-2010 |
| 20100009285 | FLEXOGRAPHIC PRINTING FORME PRECURSOR FOR LASER ENGRAVING - A method of making a flexographic printing form precursor for laser engraving including the steps of
| 01-14-2010 |
| 20100007692 | 3D-INKJET PRINTING METHODS - A 3D-inkjet printing method includes the steps of | 01-14-2010 |
| 20100002050 | PRINT HEAD MOUNTING ASSEMBLY AND METHOD FOR MOUNTING A PRINT HEAD ONTO A CARRIAGE FRAMEWORK - A print head mounting assembly and a method of mounting and positioning a print head on a print head carriage framework suitable for mounting in a printing system includes a print head positioning device for receiving a print head, and a print head mounting tile having a mounting surface for mounting the print head positioning device. The print head mounting tile is adjustably mounted on the print head carriage framework such that it provides a mounting surface for the print head positioning device that is level with a reference printing surface, when the print head carriage framework is mounted in the printing system. The print head positioning device is adjustably mounted on the print head mounting tile such that the print head, being received in the print head positioning device, is accurately positioned on the mounting surface of the print head mounting tile. | 01-07-2010 |
| 20090326091 | NOVEL RADIATION CURABLE COMPOSITIONS - A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, wherein said co-initiator has a structure according to Formula I | 12-31-2009 |
| 20090315930 | METHOD OF INKJET PRINTING - A method of inkjet printing includes using a grayscale inkjet print head. The inkjet print head is driven driving to eject a number of successive ink droplets from the ink chamber in accordance with print tone data provided to the grayscale print head, the number of successive ink droplets forming a multiple-droplet drop creating a printed dot of appropriate tone on the receiving medium. The method includes the step of excluding print tone data corresponding with the ejection of a single-droplet drop from being provided to the grayscale print head. A preferred embodiment includes the removal of this print tone data from the data provided to the grayscale print head. A more preferred embodiment includes applying a multilevel halftoning technique for avoiding the use of print tone data corresponding with a single-droplet drop during the generation of the print tone data for inkjet printing the image with the grayscale print head. | 12-24-2009 |
| 20090312463 | NON-AQUEOUS PIGMENTED INKJET INKS - A non-aqueous inkjet ink containing a pigment includes C.I. Pigment Violet 19 and a polymeric dispersant according to Formula (I): | 12-17-2009 |
| 20090305164 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate includes the steps of: (1) providing a heat-sensitive lithographic printing plate precursor including a heat-sensitive coating on a support having a hydrophilic surface or which is provided with a hydrophilic layer, the heat-sensitive coating including a first layer including a first polymer which is water-insoluble and alkali-soluble, and on the first layer, a second layer including a second polymer which is -water-insoluble and alkali-soluble, and an infrared absorbing dye present in at least one of the first and second layer, (2) image-wise exposing the precursor with IR-radiation or heat wherein the second layer exhibits an increased solubility in an aqueous alkaline developing solution, and (3) developing the image-wise exposed precursor with an aqueous alkaline developing solution, the solution including an alkali metal or ammonium salt of an aliphatic carboxylic acid, having 8 to 11 carbon atoms. According to the above method, the formation of insoluble products in the developing solution is inhibited or reduced. | 12-10-2009 |
| 20090270537 | NON-AQUEOUS PIGMENTED INKJET INKS - A non-aqueous inkjet ink includes C.I. Pigment Yellow 150 and a polymeric dispersant according to Formula (I): | 10-29-2009 |
| 20090258314 | NEGATIVE WORKING, HEAT SENSITIVE LITHOGRAPHIC PRINTING PLATE PRECURSOR - A heat-sensitive negative-working lithographic printing plate precursor include a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating including an image-recording layer which includes hydrophobic thermoplastic polymer particles, a binder, and an infrared absorbing dye; wherein the hydrophobic thermoplastic polymer particles have an average particle diameter, measured by Photon Correlation Spectroscopy, of more than 10 nm and less than 40 nm; the amount of the IR-dye, without taking into account an optional counter ion, is more than 0.80 mg per m2 of the total surface of the thermoplastic polymer particles, measured by Hydrodynamic Fraction; and—the amount of hydrophobic thermoplastic polymer particles relative to the total weight of the ingredients of the imaging layer is at least 60-%. | 10-15-2009 |
| 20090249972 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate includes the steps of
| 10-08-2009 |
| 20090241788 | DEVICE FOR COATING A PERIPHERAL SURFACE OF A SLEEVE BODY - A coating device for coating a peripheral surface of a sleeve body with a coating formulation includes a vertical support column for supporting a sleeve body in a vertical position coaxial with a coating axis, a carriage slideable along the vertical support column, and an annular coating stage attached to the carriage and moveable therewith for containing the coating formulation and for coating a layer of the coating formulation onto the peripheral surface of the sleeve body during a sliding movement of the carriage along the vertical support column. The coating device includes an irradiation stage that is arranged to be moveable with the annular coating stage and to provide radiation to at least partially cure the layer of coating formulation onto the peripheral surface so as to prevent flow off of the coating formulation. | 10-01-2009 |
| 20090233235 | METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE - A method of making a lithographic printing plate includes the steps of a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including a photopolymerizable layer, and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator, and a reactive binder; b) image-wise exposing the coating in a plate setter; c) optionally, heating the precursor in a pre-heating unit; d) developing the precursor off-press in a gumming unit by treating the coating of the precursor with a gum solution, thereby removing the non-exposed areas of the photopolymerizable layer from the support, wherein the reactive binder is a polymer containing a monomeric unit which includes a group having an ethylenically unsaturated bond. | 09-17-2009 |
| 20090231374 | METHOD AND APPARATUS FOR AUTOMATICALLY ALIGNING ARRAYS OF PRINTING ELEMENTS - A method and apparatus for aligning the printing of dots generated by at least one array of printing elements of a printing apparatus. The method includes the steps of printing a calibration test pattern, scanning the printed calibration test pattern, determining at least one calibration value based on the scanned calibration test pattern, and adjusting the alignment of the array of printing elements based on the determined calibration value. The step of scanning the printed calibration test pattern further includes automatically positioning a camera relative to the printed calibration test pattern and imaging a detail of the printed calibration test pattern within the field of view of the camera. | 09-17-2009 |
| 20090190180 | METHOD AND APPARATUS FOR PRINTER CHARACTERIZATION - A one dimensional transformation of colorant values before transforming them into a color using a printer model enables linearization of the gradation of each color component as a function of colorant values. The method reduces interpolation error if the printer model uses piecewise linear interpolation. | 07-30-2009 |
| 20090176926 | STABLE NON-AQUEOUS INKJET INKS - A non-aqueous ink not curable by UV radiation includes an organic color pigment and between 12 to 98 wt % of tetraethylene glycol dimethylether based on the total weight of the inkjet ink. Also, a method for preparing a non-aqueous inkjet ink is provided. | 07-09-2009 |
| 20090170028 | HEAT-SENSITIVE POSITIVE-WORKING LITHOGRAPHIC PRINTING PLATE PRECURSOR - A heat-sensitive positive-working lithographic printing plate precursor includes a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat-sensitive coating including an IR absorbing agent, a phenolic resins and a first polymer, wherein the first polymer is an alkaline soluble polymer including a monomeric unit having a structure according to Formula I or Formula II, wherein at least one of the aromatic groups Ar | 07-02-2009 |
| 20090155722 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate includes the steps of (i) providing a negative-working, heat-sensitive lithographic printing plate precursor including a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating including an image-recording layer which includes hydrophobic thermoplastic polymer particles, a binder, and an infrared absorbing dye, wherein the hydrophobic thermoplastic polymer particles have an average particle diameter, measured by Photon Correlation Spectroscopy, of more than 10 nm and less than 40 nm, and the amount of the IR-dye, without taking into account an optional counter ion, is more than 0.70 mg per m | 06-18-2009 |
| 20090124752 | Novel Polymeric Dispersant - A polymeric dispersant having a block copolymer structure or a segmented oligomer structure wherein the block copolymer structure or segmented oligomer structure includes a segment polymerized by monomers according to Formula (I): | 05-14-2009 |
| 20090111052 | PHOTOPOLYMERIZABLE COMPOSITION - A composition that is photopolymerizable upon absorption of light and/or heat, the composition including a binder, a polymerizable compound, a sensitizer, and a photoinitiator, characterized in that the composition includes, with respect to its non-volatile compounds, at least about 0.01 wt.-% of a polythiol compound, and wherein the composition when coated on a support has a sensitivity of about 150 μJ/cm | 04-30-2009 |
| 20090104562 | PHOTOPOLYMERIZABLE COMPOSITION - A composition that is photopolymerizable upon absorption of light and/or heat, the composition including a binder, a polymerizable compound, a sensitizer, and a photoinitiator, characterized in that the composition includes, with respect to its non-volatile compounds, at least about 0.01 wt.-% of a polythiol compound and has a very high sensitivity and hardness. | 04-23-2009 |
| 20090095201 | METHOD FOR MANUFACTURING PIGMENTED INKS - A method for manufacturing a pigmented ink comprising the steps of: | 04-16-2009 |
| 20090095184 | NEGATIVE WORKING, HEAT-SENSITIVE LITHOGRAPHIC PRINTING PLATE PRECURSOR - A heat-sensitive negative-working lithographic printing plate precursor includes a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating including an image-recording layer which includes hydrophobic thermoplastic polymer particles wherein the hydrophobic thermoplastic polymer particles include a polyester and have an average particle diameter from 18 nm to 50 nm. | 04-16-2009 |
| 20090090271 | STABLE NON-AQUEOUS INKJET INKS - A non-aqueous inkjet ink includes a pigment and a mixture of at least two polyalkyleneglycol dialkylethers represented by Formula (I): | 04-09-2009 |
| 20090084683 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE SUPPORT - A method for making a lithographic printing plate support is disclosed which comprises the steps of:
| 04-02-2009 |
| 20090081583 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate includes the steps of: (1) providing a heat-sensitive lithographic printing plate precursor including on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat-sensitive coating, (2) image-wise exposing the precursor with IR-radiation or heat, and (3) developing the image-wise exposed precursor with an alkaline developing solution including a compound having at least two onium groups. According to the above method, a printing plate is formed with an improved developing latitude or an improved exposure latitude. | 03-26-2009 |
| 20090048375 | Non-Aqueous Pigment Dispersions Using Dispersion Synergists - A non-aqueous pigment dispersion including a diketopyrrolo-pyrrole pigment, a polymeric dispersant and a dispersion synergist in a dispersion medium wherein the dispersion synergist is a quinacridone derivative containing at least one acidic group or a salt thereof. | 02-19-2009 |
| 20090047603 | METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE - A method of making a lithographic printing plate includes the steps of: (a) providing a lithographic printing plate precursor including a support having a hydrophilic surface or which is provided with a hydrophilic layer, and a coating on the support, the coating including (i) at least one image-recording layer which includes a photocurable composition, the composition including a compound which is capable of forming free radicals upon image-wise exposure, and (ii) on top thereof, an oxygen-barrier layer including a water-soluble or water-swellable polymer, (b) image-wise exposing the coating, (c) optionally, heating the precursor in a pre-heating unit, (d) treating the image-wise exposed precursor with water or an aqueous solution to remove at least a portion of the oxygen-barrier layer, thereby increasing the oxygen permeability of the coating to such an extent that curing of the non-exposed areas of the coating by ambient light is inhibited by quenching of free radicals with oxygen, (e) mounting the treated precursor on a plate cylinder of a lithographic printing press, and (f) developing the precursor by rotating the plate cylinder while feeding dampening liquid and/or ink to the coating, thereby removing non-exposed areas of the image-recording layer. | 02-19-2009 |
| 20090041937 | Curable Inkjet Ink Set and Methods For Inkjet Printing - A method for inkjet printing includes, in order, the steps of a) providing an ink-receiver; b) jetting an image on the ink-receiver with a curable inkjet ink; and c) jetting and curing on the image an outermost layer of a curable liquid; wherein the curable liquid contains a silicon modified or fluorinated polymerizable compound in an amount between 20 wt % and 99.6 wt % based on the total weight of the curable liquid and the silicon modified or fluorinated polymerizable compounds are either absent or present in the curable inkjet ink in a concentration of less than 20 wt % based on the total weight of the curable inkjet ink. A curable inkjet ink set includes curable inkjet inks and one curable liquid wherein the curable liquid contains a silicon modified or fluorinated polymerizable compound in an amount between 20 wt % and 99.6 wt % based on the total weight of the curable liquid and that silicon modified or fluorinated polymerizable compounds are either absent or present in the curable inkjet inks in a concentration of less than 20 wt % based on the total weight of the curable inkjet ink. | 02-12-2009 |
| 20090038505 | NON-AQUEOUS DISPERSIONS OF NAPHTHOL AS PIGMENTS - A non-aqueous pigment dispersion includes a Naphthol AS pigment or a mixed crystal thereof and a Naphthol AS colorant according to Formula (I): | 02-12-2009 |
| 20090036638 | Contrast Dyes for Inkjet Lithographic Printing Plates - A contrast dye for preparing a lithographic printing plate includes at least one A, D, and B group wherein A represents a phosphorous containing group capable of reacting with the surface of a lithographic receiver; D represents a chromophore group absorbing light between 400 nm and 700 nm; and B represents an aliphatic group of at least 6 carbon atoms. A lithographic printing plate includes such a contrast dye. | 02-05-2009 |
| 20090035695 | POSITIVE WORKING LITHOGRAPHIC PRINTING PLATES - A positive-working lithographic printing plate precursor is disclosed comprising on a grained and anodized aluminum support having a hydrophilic surface or which is provided with hydrophilic layer, a coating comprising:
| 02-05-2009 |
| 20090027433 | Method And Apparatus For Automatically Aligning Arrays Of Printing Elements - A method and apparatus for aligning the printing of dots generated by at least one array of printing elements in an printing apparatus, wherein the method includes the steps of printing a calibration test pattern, scanning the printed calibration test pattern, determining at least one calibration value based on the scanned calibration test pattern, positioning an alignment adjustment tool relative to the array of printing elements of which the alignment needs to be adjusted and, based on the calculated calibration value, automatically adjusting the alignment of the array of printing elements using the alignment adjustment tool. | 01-29-2009 |
| 20090025604 | NOVEL YELLOW PIGMENTS AND NON-AQUEOUS PIGMENT DISPERSIONS - A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (1): | 01-29-2009 |
| 20090025587 | DIGITAL PRINTING PRESS WITH AUTOMATED MEDIA TRANSPORT - A digital printer is provided with an automated printing sheet transport system, operating in an intermittent regime of feeding a printing sheet to the digital printer, halting the transport to allow printing onto the printing sheet while the printing sheet is maintained in a fixed position, and removing the printed sheet from the digital printer after printing. The digital printer may be combined with a screen print station, both operating on top of a single printing sheet transport system, to form an integrated multifunctional and hybrid printing press. | 01-29-2009 |
| 20090017398 | METHOD FOR MAKING A LITHOGRAPHIC PRINTING PLATE - A method for making a lithographic printing plate includes the steps of providing a heat-sensitive lithographic printing plate precursor including on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat-sensitive coating; image-wise exposing the precursor with IR-radiation or heat; and developing the image-wise exposed precursor with an alkaline developing solution, wherein an anti-sludge agent is present in the precursor or in the developing solution or in the precursor and the developing solution, and wherein the anti-sludge agent is a 5-membered heteroaromatic compound, including a —NH— group wherein the hydrogen is capable of being deprotonated in the alkaline developing solution, selected from the group consisting of an optionally substituted benztriazole, 1,2,3-triazole, tetrazole, or indazole compound. According to the above method, the formation of sludge is inhibited or reduced. | 01-15-2009 |
| 20090009787 | MULTICOLORANT SEPARATION SYSTEM AND METHOD - A method separates a color vector into a colorant vector for a printing system that uses more than four colorants, for example cyan, magenta, yellow, black, orange and green colorants. According to the method, the separation process is split up into partial four colorant processes that contain opponent colors. For example, a first partial process is a cyan, magenta, yellow and black process; a second one is an orange, magenta, yellow and black process; and a third one is a cyan, green, yellow and black process. Continuity of magnitudes of the colorants is achieved across the boundaries of the color gamuts of the partial processes by imposing specific constraints on the combinations of colorants to render a given color. A computer implemented system and a print system are based on the method. | 01-08-2009 |
| 20090005474 | Pigment Dispersions With Polymeric Dispersants Having Pending Chromophore Groups - A pigment dispersion includes a color pigment represented by formula (I): | 01-01-2009 |
| 20080314285 | Quinacridone Derivatives for Pigment Dispersions - A quinacridone derivative according to Formula (I): | 12-25-2008 |
| 20080312358 | Non-Aqueous Pigment Dispersions Containing Specific Dispersion Synergists - A non-aqueous pigment dispersion includes a color pigment, a polymeric dispersant, and a dispersion synergist wherein the molecular weight of the anionic part of the dispersion synergist containing at least one carboxylate anion is smaller than 98% of the molecular weight of the color pigment and that the anionic part of the dispersion synergist has a similarity coefficient SIM of at least 0.5 with the similarity coefficient defined by: | 12-18-2008 |
| 20080311525 | Method of Making a Photopolymer Printing Plate - A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including a photopolymerizable layer, and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound and a polymerization initiator, b) image-wise exposing the coating in a plate setter, c) optionally, heating the precursor in a pre-heating unit, d) developing the precursor off-press in a gumming unit by treating the coating of the precursor with a gum solution, thereby removing the non-exposed areas of the photopolymerizable layer from the support, wherein the photopolymerizable layer further includes a polymer containing an acid group and a basic nitrogen-containing compound capable of neutralizing the acid group, or wherein the photopolymerizable layer further includes a polymer containing an acid group which is neutralized by a basic nitrogen-containing compound. | 12-18-2008 |
| 20080311524 | Method For Making Negative-Working Heat-Sensitive Lithographic Printing Plate Precursor - A method for making a negative-working heat-sensitive lithographic printing plate precursor includes the steps pf:
| 12-18-2008 |
| 20080311509 | Photopolymer Printing Plate Precursor - A photopolymer printing plate precursor includes a photosensitive coating on a support, wherein the photosensitive coating includes a composition that is photopolymerizable upon absorption of light, and the composition includes at least one binder, a polymerizable compound, a sensitizer, and a photoinitiator. The binder is a copolymer that has a Tg of less than 70° C., and wherein 1 mol-% to 50 mol-% of the monomeric units of the copolymer are substituted by at least one acidic group, has a very high sensitivity and resistance of the exposed image portions against alkaline developers, when exposed with a laser, even if no pre-heat step is performed. | 12-18-2008 |
| 20080308006 | Diketopyrrolo-Pyrrole Compounds - A diketopyrrolo-pyrrole compound according to Formula (I): | 12-18-2008 |
| 20080308005 | Non-Aqueous Pigment Dispersions Using Dispersion Synergists - A non-aqueous pigment dispersion comprising a diketopyrrolo-pyrrole pigment, a polymeric dispersant and a dispersion synergist in a non-aqueous dispersion medium characterized in that said dispersion synergist is a diketopyrrolo-pyrrole derivative according to Formula (I): | 12-18-2008 |
| 20080308004 | Non-Aqueous Pigment Dispersions Containing Specific Dispersion Synergists - A non-aqueous pigment dispersion includes a color pigment, a polymeric dispersant, and a dispersion synergist in a dispersion medium wherein the dispersion synergist is represented by Formula (I): | 12-18-2008 |
| 20080307990 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including an imaging layer, and, optionally, an intermediate layer between the imaging layer and the support, wherein the imaging layer includes a switchable polymer, b) image-wise exposing the coating, whereby the polymer undergoes a chemical reaction induced by the exposing step thereby creating a lithographic image consisting of printing areas and non-printing areas wherein the non-printing areas are removable from the support by a gum solution, and c) developing the precursor by treating the coating of the precursor with the gum solution thereby removing the non-printing areas. | 12-18-2008 |
| 20080305263 | Method for Gumming a Lithographic Printing Plate - A method for gumming a lithographic printing plate includes the steps of a) providing a lithographic printing plate including a lithographic image consisting of printing areas and non-printing areas, and b) jetting a gum solution with an inkjet printer to produce a hydrophilic protective layer on the non-printing areas. An inkjet printer includes a gum solution for producing a hydrophilic protective layer on the non-printing areas and a fluid for the formation of the printing areas of a lithographic image on a lithographic printing plate precursor. | 12-11-2008 |
| 20080305261 | Non-Aqueous Quinacridone Dispersions Using Dispersion Synergists - A non-aqueous pigment dispersion includes a quinacridone pigment, a polymeric dispersant, and a dispersion synergist in a non-aqueous dispersion medium wherein the dispersion synergist is a quinacridone derivative substituted on one of the two nitrogen atoms of the quinacridone basic chromophore structure by a group including at least one carboxyl group or a salt thereof. Also, a method for printing an ink-jet image with an ink including the non-aqueous pigment dispersion. | 12-11-2008 |
| 20080295734 | Non-Aqueous Inkjet Inks of Quinacridone Pigments - A non-aqueous inkjet ink includes a quinacridone pigment and a dispersion synergist wherein the quinacridone pigment is a mixed crystal including a dimethyl substituted quinacridone and a monomethyl substituted quinacridone and the dispersion synergist includes at least one acid group. | 12-04-2008 |
| 20080295720 | Method For Making A Lithographic Printing Plate - A method for making a lithographic printing plate includes the steps of a) providing an aqueous fluid containing at least 2 weight % of a fluorosurfactant based on the total weight of the aqueous fluid wherein the fluorosurfactant has a phosphorous containing group capable of reacting with the surface of a lithographic printing plate precursor; and b) jetting the aqueous fluid on the surface of a lithographic printing plate precursor. | 12-04-2008 |
| 20080289534 | Naphthol as Colorants and Their Use - A Naphthol AS colorant according to Formula (I): | 11-27-2008 |
| 20080286695 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including a photopolymerizable layer and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator and a binder, b) image-wise exposing the coating in a plate setter, c) heating the precursor in a pre-heating unit within a time period of less than 10 minutes after step (b), d) treating the precursor in a gumming station, including at least one gumming unit, whereby a gum solution is applied to the precursor, thereby removing non-exposed areas of the photopolymerizable layer from the support and gumming the plate in a single step. | 11-20-2008 |
| 20080280055 | Inkjet Lithographic Printing Plates and Method for Their Preparation - An inkjet ink for preparing a lithographic printing plate contains a contrast dye including A, D, and B groups wherein A represents a phosphorous containing group capable of reacting with the surface of a lithographic receiver; D represents a chromophore group absorbing light between 400 nm and 700 nm; and B represents an aliphatic group of at least 6 carbon atoms. A lithographic printing plate includes such an inkjet ink and methods for direct plate making include jetting on a printing plate precursor. | 11-13-2008 |
| 20080274428 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including a photopolymerizable layer, a top layer and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator, and a binder, b) image-wise exposing the coating in a plate setter, c) optionally, heating the precursor in a pre-heating unit, and d) treating the precursor in a gumming station, the gumming station including a first and at least a second gumming unit, wherein the precursor is washed in the first gumming unit by applying a gum solution to the coating thereby removing at least a portion of the top layer, and wherein, subsequently, the precursor is developed in the second gumming unit with a gum solution thereby removing non-exposed areas of the photopolymerizable layer from the support and gumming the plate in a single step. | 11-06-2008 |
| 20080274427 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor comprising including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support, including a photopolymerizable layer and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator, and a binder, b) image-wise exposing the coating in a plate setter, c) heating the precursor in a pre-heating unit, d) treating the precursor in a gumming station, including at least a first gumming unit, by applying a gum solution to the coating of the precursor, thereby removing the non-exposed areas of the photopolymerizable layer from the support, and wherein the steps (c) and (d) are carried out off-press in the pre-heating unit and the first gumming unit, and wherein the pre-heating unit and the first gumming unit are coupled to each other by a mechanical plate conveying device or are integrated in a single apparatus. | 11-06-2008 |
| 20080273910 | Print Head Shuttle with Active Cooling - A print head carriage for holding a print head in a printing system includes a print head carriage framework having a plurality of print head positioning references for defining a position of the print head onto the print head carriage framework, and a cooling channel in thermal contact with the print head carriage framework for controlling the temperature of the print head carriage framework such that the positional stability of the plurality of print head positioning references on the print head carriage framework is preserved. | 11-06-2008 |
| 20080269381 | Non-Aqueous Pigment Dispersions Using Dispersion Synergists - A non-aqueous pigment dispersion includes a diketopyrrolo-pyrrole pigment, a polymeric dispersant, and a dispersion synergist in a dispersion medium wherein the dispersion synergist is a quinacridone derivative containing at least one acid group or a salt thereof. | 10-30-2008 |
| 20080261154 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including a photopolymerizable layer, and, optionally, an intermediate layer between the photopolymerizable layer and the support, b) image-wise exposing the coating in a plate setter, c) optionally, heating the precursor in a preheating unit, and d) developing the precursor off-press in a gumming unit by treating the coating of the precursor with a gum solution, thereby removing the non-exposed areas of the coating from the support, wherein the coating further includes a compound capable of interacting with the support, the compound being present in the photopolymerizable layer and/or in the intermediate layer. | 10-23-2008 |
| 20080254391 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of: a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support including a photopolymerizable layer and, optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator and a binder, b) image-wise exposing the coating in a plate setter, c) optionally, heating the precursor in a pre-heating unit, d) treating the precursor in a gumming station, including a first and at least a second gumming unit, wherein the precursor is consecutively developed in the first and the second gumming unit with a gum solution, thereby removing non-exposed areas of the photopolymerizable layer from the support and gumming the plate in a single step. | 10-16-2008 |
| 20080254390 | Method of Making a Lithographic Printing Plate - A method of making a lithographic printing plate includes the steps of a) providing a lithographic printing plate precursor including (i) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (ii) a coating on the support, including a photopolymerizable layer, a top layer, and optionally, an intermediate layer between the photopolymerizable layer and the support, wherein the photopolymerizable layer includes a polymerizable compound, a polymerization initiator, and a binder; b) image-wise exposing the coating in a plate setter; c) optionally, heating the precursor in a pre-heating unit; d) washing the precursor in a pre-washing station by applying water or an aqueous solution to the coating, thereby removing at least a portion of the top layer; and e) developing the precursor in a gumming station by applying a gum solution to the coating of the precursor, thereby removing the non-exposed areas of the photopolymerizable layer from the support and gumming the plate in a single step. | 10-16-2008 |
| 20080254389 | Method of Making Lithographic Printing Plates - A method for preparing a lithographic printing plate includes the steps of—providing a lithographic printing plate precursor including: a support having a hydrophilic surface or which is provided with a hydrophilic layer; and a coating provided on the support and including an image recording layer including hydrophobic thermoplastic polymer particles having an average particle size between about 40 nm and about 63 nm and a hydrophilic binder, the coating further including a pigment present in the image recording layer or in an additional layer of the coating, —image-wise exposing the coating, thereby inducing coalescence of the thermoplastic polymer particles at the exposed areas of the image recording layer; —developing the precursor by applying a gum solution to the coating, thereby removing the non-exposed areas of the image recording layer from the support; and—optionally, baking the developed precursor; wherein the hydrophobic thermoplastic polymer particles have an average particle size between about 40 nm and about 63 nm; the amount of the hydrophobic thermoplastic polymer particles is more than about 70% and less than about 85% by weight, relative to the image recording layers; and the pigment has a hydrophilic surface and provides a visible image after the image-wise exposing and developing with the gum solution. The lithographic printing plate precursor has an improved sensitivity, and the obtained lithographic printing plate exhibits an excellent clean-out, no toning, and a high printing run length. | 10-16-2008 |
| 20080250973 | Set of Curable Liquids and Methods for Inkjet Printing - A method for inkjet printing includes, in order, the steps of a) providing an ink-receiver having an image thereon; b) forming on the ink-receiver a layer of a first curable liquid and curing the layer; and c) forming an outermost layer of a second curable liquid only on the cured first curable liquid and at least partially covering the image; wherein the second curable liquid contains an abherent agent which is absent in the first curable liquid and wherein at least one of the first and second curable liquids is inkjet printed. Also, a polymerizable abherent agent may be used in a curable liquid to prevent falsification of an ID document. Also, a set of curable liquids for inkjet printing includes a first curable liquid and a second curable liquid wherein the second curable liquid contains an abherent agent which is absent in the first curable liquid. | 10-16-2008 |
| 20080242776 | Pigment Dispersion with Polymeric Dispersants Having Pending Chromophore Groups - A pigment dispersion includes a color pigment represented by formula (I): | 10-02-2008 |
| 20080227894 | Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups - A pigment dispersion comprising a colour pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking group
| 09-18-2008 |
| 20080225074 | Method and Apparatus for Digital Printing with Preservation of the Alignment of Printed Dots Under Various Printing Conditions - A method and apparatus for printing dots on a printing medium, wherein the method includes the steps of printing a calibration test pattern, scanning the printed calibration test pattern, determining a spatial fire correction value for a number of print positions across the printing medium, based on the scanned calibration test pattern, and adjusting the fire position for each of these print positions. The method and apparatus may be used to preserve the alignment of the printed dots under various operating conditions of the printing process such as bidirectional printing, throw distance variations, multiple print head scan speeds, etc. | 09-18-2008 |
| 20080214705 | Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups - A pigment dispersion includes a color pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking group | 09-04-2008 |
| 20080213696 | Negative Working, Heat-Sensitive, Lithographic Printing Plate Precursor - A heat-sensitive negative-working lithographic printing plate precursor includes on a grained and anodized aluminum support a coating including hydrophobic thermoplastic polymer particles, a hydrophilic binder, and an organic compound, wherein the organic compound includes at least one phosphonic acid group or at least one phosphoric acid group or a salt thereof. | 09-04-2008 |
| 20080207806 | Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups - A pigment dispersion comprising a colour pigment represented by formula (I) | 08-28-2008 |
| 20080207803 | Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups - A pigment dispersion includes a color pigment represented by Formula (I): | 08-28-2008 |
| 20080199812 | Method for Making a Negative-Working Lithographic Printing Plate Precusor - A method for making a heat-sensitive negative-working lithographic printing plate precursor including the steps of
| 08-21-2008 |
| 20080199240 | Printing System With Printing Table Releasably Clamped To Printing Unit - A digital printer ( | 08-21-2008 |
| 20080198189 | Image Printing Method and System For Improving Image Quality in Dot Matrix Printer - Ink coalescence in inkjet printing is reduced by printing mutually interstitial images using an arrangement of multiple curing stations in combination with multiple printing heads. | 08-21-2008 |
