Patents Assigned to Agfa-Gevaert
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Publication number: 20110171377Abstract: Process comprising the steps of: (i) providing an elongated porous web, said elongated porous web comprising two outermost surfaces; (ii) transporting said elongated porous web downwards between two impregnating heads comprising two slots each with substantially vertical upper and lower slot faces substantially parallel to said elongated porous web providing simultaneously to both surfaces of said elongated porous web metered substantially identical quantities of a dope, comprising at least one membrane polymer and at least one solvent therefor; (iii) thereby impregnating said elongated porous web completely with said dope and providing substantially equally thick dope layers on each surface of said outermost surfaces of said elongated porous web with a thickness independent of the gap between one of said lower slot faces and the surface of said elongated porous web nearest thereto; (iv) subjecting said dope associated with said elongated porous web immediately after dope-impregnation to symmetric phase inverType: ApplicationFiled: May 29, 2009Publication date: July 14, 2011Applicants: AGFA-GEVAERT N.V., VITO N.V.Inventors: Willem Mues, Bart Cobben, Wim Doyen
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Publication number: 20110156382Abstract: A security document having in order a) a first laser markable layer, present as a self-supporting layer or as a layer on a support; b) at least one polymeric overlay; and c) a second laser markable layer; wherein the second laser markable layer exhibits a higher laser sensitivity than a non-laser marked area of the first laser markable layer but produces a smaller maximum optical density or a smaller gloss on laser marking. Methods for manufacturing the security document are also disclosed.Type: ApplicationFiled: October 15, 2009Publication date: June 30, 2011Applicant: Agfa-Gevaert N.V.Inventor: Carlo Uyttendaele
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Publication number: 20110131737Abstract: A security laminate containing a dye diffusion transfer image receptor layer comprising a polymeric mordant for dyes on a support having a laser engraved first dye diffusion transfer image or a laser marked dye diffusion transfer image receptor layer in an area lacking the first dye diffusion transfer image. Methods for manufacturing and securing security document precusors are also disclosed.Type: ApplicationFiled: October 15, 2009Publication date: June 9, 2011Applicant: AGFA-GEVAERT N.V.Inventors: Carlo Uyttendaele, Ingrid Geuens
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Publication number: 20110111122Abstract: An apparatus for producing an ion-permeable web-reinforced separator comprising a duplex type impregnating apparatus comprising two slots each with substantially vertical upper and lower slot faces for providing premetered substantially identical quantities of a dope simultaneously to either side of an elongated porous web, a transport means providing for substantially vertical downwards transport of said elongated porous web through said duplex impregnating apparatus and subsequent phase inversion, coagulation and washing stations, said phase inversion station providing for phase inversion of said dope and said coagulation station providing for coagulation and washing of solvent from the resulting phase-inverted dope, wherein there is an air gap between said duplex impregnating apparatus and said phase inversion station and wherein the distance between the lower faces of each impregnating apparatus is greater than the distances between the upper faces of each impregnating apparatus; a process comprising theType: ApplicationFiled: May 29, 2009Publication date: May 12, 2011Applicants: AGFA-GEVAERT N.V., VITO N.V.Inventors: Willem Mues, Bart Cobben, Wim Doyen
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Patent number: 7939124Abstract: Methods for producing an information carrier produced by: (1) providing an information carrier precursor comprising a 5 rigid sheet or support; a receiving layer configuration having an image-receiving side and a non-image-receiving side, the receiving layer configuration comprising at least one pigment and at least one binder, (2) pattern-wise or integrally at least partially transparentizing the receiving layer configuration with a vaporizable liquid thereby providing a transparent pattern on the at least partially transparentized receiving layer; (3) using a light source to write a pattern or modify the pattern in the layer or element capable of a machine-readable change upon absorption of UV, visible or IR 25 radiation after transmission through at least part of the transparentized areas of the receiving layer configuration; evaporating the vaporizable liquid, thereby producing an information carrier.Type: GrantFiled: April 20, 2007Date of Patent: May 10, 2011Assignee: Agfa-Gevaert, N.V.Inventors: Luc Leenders, David Terrell
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Patent number: 7932320Abstract: An aqueous dispersion of latex particles, said latex particles containing a polymer containing monomer units according to formula (I): in which R1 and R2 independently of one another represent hydrogen or a C1-5-alkyl group or together form an optionally substituted C1-5-alkylene residue and at least one polyanion compound.Type: GrantFiled: May 16, 2007Date of Patent: April 26, 2011Assignee: Agfa-Gevaert, N.V.Inventors: Frank Louwet, Bert Groenendaal
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Patent number: 7923264Abstract: A first passive ferroelectric memory element comprising a first electrode system and a second electrode system, wherein said first electrode system is at least partly insulated from said second electrode system by an element system comprising at least one ferroelectric element, wherein said first electrode system is a conductive surface, or a conductive layer; wherein said second electrode system is an electrode pattern or a plurality of isolated conductive areas in contact with, for read-out or data-input purposes only, a plurality of conducting pins isolated from one another.Type: GrantFiled: November 2, 2009Date of Patent: April 12, 2011Assignee: Agfa-Gevaert N.V.Inventors: Luc Leenders, Michel Werts
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Publication number: 20110046035Abstract: A method for treating a lithographic printing plate is disclosed comprising the step of applying a liquid to the plate including an aqueous phase; a solvent phase which is present in the liquid in an amount ?40% wt; and one or more compound (s) having the following formula (I): R1—O—(Y)n?H wherein R1 is a methyl group, an ethyl group, a propyl group or a butyl group; Y represents —CH2—CHR2-0- with R2=hydrogen or an alkyl group and/or mixtures thereof; and n is an integer ?10.Type: ApplicationFiled: March 24, 2009Publication date: February 24, 2011Applicant: AGFA-GEVAERT NVInventors: Peter Maessen, Patrick Mertens
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Publication number: 20100330304Abstract: A security laminate precursor comprising a plurality of lamellae and layers, wherein at least one of the outermost lamellae is an axially stretched linear polyester film and the security laminate precursor comprises a touch-detectable relief structure on a side of the security laminate precursor having as outermost lamella the axially stretched linear polyester film, the relief structure being associated with a viewable non-surface image which is a pattern made up of micro-perforations. A security laminate and a process for preparing a security laminate are also disclosed.Type: ApplicationFiled: April 1, 2009Publication date: December 30, 2010Applicant: AGFA-GEVAERT NVInventors: Ingrid Geuens, Carlo Uyttendaele
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Publication number: 20100320743Abstract: A security laminate comprising a plurality of lamellae and layers, wherein at least one of the lamellae is a biaxially stretched polyethylene terephthalate film, and wherein the ratio of the thickness of the one or more biaxially stretched polyethylene terephthalate films over the total thickness of the security laminate is at least 0.21. A method for detecting the falsification of such security laminates by a sound characteristic is also disclosed.Type: ApplicationFiled: March 26, 2009Publication date: December 23, 2010Applicant: AGFA-GEVAERTInventors: Ingrid Geuens, Walther Wouters
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Publication number: 20100316841Abstract: A process for producing a security laminate comprising a plurality of lamellae and layers, comprising the steps of: a) providing at least one film, at least a first and a second prelaminate and a contactless module, wherein the contactless module is not incorporated in the prelaminate or the film; and b) laminating in one step together the at least first prelaminate, the at least one film, the contactless module and the at least second prelaminate to provide the security laminate.Type: ApplicationFiled: March 26, 2009Publication date: December 16, 2010Applicant: AGFA-GEVAERTInventor: Ingrid Geuens
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Patent number: 7825395Abstract: A method reads out X-ray information stored in a storage phosphor layer where an X-ray picture is obtained and made up from a number of pixels. The method includes the steps of: irradiating the storage phosphor layer with a stimulation light beam which is moved along a line over the storage phosphor layer to stimulate the storage phosphor layer into emitting emission light; collecting emission light emitted from the storage phosphor layer, and converting the emission light collected into a corresponding detector signal S; deducing a number of detector signal values D from the detector signal S, where the number of deduced detector signal values D is greater then a predetermined number of pixels of the X-ray picture along the line; and deducing a picture signal value B for each pixel of the X-ray picture along the line from at least two of the detector signal values D.Type: GrantFiled: June 28, 2005Date of Patent: November 2, 2010Assignee: Agfa-Gevaert Healthcare GmbHInventors: Bernd Gerstlauer, Detlef Brautmeier, Axel Kasper
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Publication number: 20100201115Abstract: A method for interlaminating an embossed hologram, the embossed hologram comprising an optionally transparent support having two sides, at least one of the two sides either itself being embossed or having a layer thereon which is embossed and a layer of a HRI-material contiguous with the embossed side or embossed layer, comprising the steps of: a) conditioning the outermost surface of the layer of inorganic HRI-material with an alkaline solution or an acidic solution; b) drying the outermost surface of the layer of the inorganic HRI-material thereby providing a conditioned outermost surface of the layer of inorganic HRI-material; c) applying a layer of an adhesive composition to the conditioned outermost surface of the layer of inorganic HRI-material support; and d) laminating the outermost surface of the layer of HRI-material to a polymer film, wherein at least one of the support and the polymer film is transparent; and wherein the HRI material is a material with a refractive index of at least 0.Type: ApplicationFiled: September 19, 2008Publication date: August 12, 2010Applicant: Agfa-Gevaert NVInventor: Ingrid Geuens
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Patent number: 7773831Abstract: A method for generating an output image by reducing the size of an input image by determining for a pixel location (i,j) in the output image a corresponding areaxy in the input image, fetching the input image areaxy pixel values, calculating an output pixel value Dij for the pixel location (i,j) using a size reducing algorithm, inserting Dij in the output image and repeating the previous steps for each pixel location (i,j) in the output image. The value Di,j is obtained by adding to the lower resolution background representation A of the input image area pixel values with a value obtained by amplifying MED, representing the pixel value in the input image area that most deviates from said lower resolution background representation A, by means of a significance factor SF.Type: GrantFiled: April 19, 2006Date of Patent: August 10, 2010Assignee: Agfa-Gevaert N.V.Inventor: Marc Cresens
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Patent number: 7771816Abstract: Information carrier precursor comprising: a rigid sheet or support and a receiving layer configuration comprising at least one layer, wherein at least one layer of the receiving layer configuration is opaque, porous, has the capability of being rendered substantially transparent by penetration by a lacquer provided at the outermost surface of the receiving layer configuration and comprises at least one pigment, at least one binder and a pattern-wise applied diffusion inhibitor selected from the group consisting of silicones substituted with a polyalkyleneoxy-group, anionic surfactants having a fluoroalkyl-group with at least 7 carbon atoms and/or an alkyl group with at least 10 carbon atoms and/or an alkenyl group with at least 10 carbon atoms and/or two alkyl groups with at least 8 carbon atoms and cationic surfactants having a fluoroalkyl-group with at least 7 carbon atoms and/or an alkyl group with at least 10 carbon atoms and/or two alkyl groups with at least 8 carbon atoms; a method for producing the aboType: GrantFiled: April 20, 2007Date of Patent: August 10, 2010Assignee: Agfa-Gevaert NVInventors: Luc Leenders, Eddie Daems
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Publication number: 20100119134Abstract: For each of a number of landmarks in an image an initial position of the landmark is defined. Next a neighborhood around the initial position, comprising a number of candidate locations of the landmark is sampled and a cost is associated with each of the candidate locations. A cost function expressing a weighted sum of overall gray level cost and overall shape cost for all candidate locations is optimized. A segmented anatomic entity is defined as a path through a selected combination of candidate locations for which combination the cost function is optimized.Type: ApplicationFiled: January 19, 2010Publication date: May 13, 2010Applicant: AGFA-GEVAERT N.V.Inventor: Piet Dewaele
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Patent number: 7706165Abstract: A first passive ferroelectric memory element comprising a first electrode system and a second electrode system, wherein said first electrode system is at least partly insulated from said second electrode system by an element system comprising at least one ferroelectric element, wherein said first electrode system is a conductive surface, or a conductive layer; wherein said second electrode system is an electrode pattern or a plurality of isolated conductive areas in contact with, for read-out or data-input purposes only, a plurality of conducting pins isolated from one another.Type: GrantFiled: December 20, 2005Date of Patent: April 27, 2010Assignee: Agfa-Gevaert NVInventors: Luc Leenders, Michel Werts
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Publication number: 20100093110Abstract: A first passive ferroelectric memory element comprising a first electrode system and a second electrode system, wherein said first electrode system is at least partly insulated from said second electrode system by an element system comprising at least one ferroelectric element, wherein said first electrode system is a conductive surface, or a conductive layer; wherein said second electrode system is an electrode pattern or a plurality of isolated conductive areas in contact with, for read-out or data-input purposes only, a plurality of conducting pins isolated from one another.Type: ApplicationFiled: November 2, 2009Publication date: April 15, 2010Applicant: Agfa-GevaertInventors: Luc Leenders, Michel Werts
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Patent number: 7676095Abstract: For each of a number of landmarks in an image an initial position of the landmark is defined. Next a neighborhood around the initial position, comprising a number of candidate locations of the landmark is sampled and a cost is associated with each of the candidate locations. A cost function expressing a weighted sum of overall gray level cost and overall shape cost for all candidate locations is optimized. A segmented anatomic entity is defined as a path through a selected combination of candidate locations for which combination the cost function is optimized.Type: GrantFiled: August 18, 2006Date of Patent: March 9, 2010Assignee: Agfa-Gevaert NVInventor: Piet Dewaele
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Patent number: 7675123Abstract: Passive memory devices comprising a support having at least one conductive surface or surface layer and having on at least one side of the support a passive memory element, the passive memory element comprising a first electrode system, an insulating system and a second electrode system, wherein the first electrode system is insulated from the second electrode system, wherein the first electrode system is a conductive surface, or a conductive layer of a support, the second electrode system is a plurality of isolated conductive areas and/or a plurality of conducting pins isolated from one another; and conductive bridges are present between at least one of the isolated conductive area, or at least one of the conducting pins, and the first electrode system; wherein with the exception of the first electrode system being a conductive surface of a support, the systems and the conductive bridges are printable using conventional printing processes.Type: GrantFiled: October 27, 2005Date of Patent: March 9, 2010Assignee: Agfa-Gevaert NVInventors: Luc Leenders, Michel Werts