Patents by Inventor Bart Aerts
Bart Aerts has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10245866Abstract: A method of producing a security document includes the steps of producing a first part of a color image by color laser marking a security document precursor; and producing a second part of the color image by a second imaging technique different from laser marking. The resulting security document is more difficult to falsify.Type: GrantFiled: November 5, 2013Date of Patent: April 2, 2019Assignee: AGFA-GEVAERTInventors: Bart Waumans, Paul Callant, Bart Aerts
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Patent number: 9931878Abstract: A colour laser markable laminate includes a colour laser markable layer including a leuco dye and an infrared absorbing compound, an optional adhesive layer, a polymeric support, an optional outerlayer, wherein the colour laser markable layer further includes an acid scavenger. The support, the optional adhesive layer, or the optional outer layer includes a UV absorbing compound.Type: GrantFiled: December 18, 2014Date of Patent: April 3, 2018Assignee: AGFA-GEVAERTInventors: Marin Steenackers, Johan Loccufier, Bart Aerts, Anouschka Depla
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Patent number: 9829784Abstract: A set of laminates includes an outer laminate and an inner laminate, wherein the outer laminate includes a transparent polymeric support including on a first side of the support a color laser markable layer containing an infrared dye having an absorption maximum ?max(IR-1) in the infrared region; wherein the inner laminate includes a transparent polymeric support including on, a first side of the transparent polymeric support, a color laser markable layer containing an infrared dye having an absorption maximum ?max(IR-2) in the infrared region and, on a second side of the transparent polymeric support, a color laser markable layer containing an infrared dye having an absorption maximum ?max(IR-3) in the infrared region; and the conditions a) and b) are satisfied: ?max(IR-1)>?max(IR-2)>?max(IR-3); and??a) ?max(IR-1)>1100 nm and ?max(IR-3)<1000 nm.Type: GrantFiled: October 10, 2013Date of Patent: November 28, 2017Assignee: AGFA-GEVAERTInventors: Bart Waumans, Paul Callant, Ingrid Geuens, Bart Aerts
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Patent number: 9604490Abstract: A method for preparing a color laser marked article using three infrared lasers L-1, L-2 and L-3 having respectively a laser emission wavelength of ?(L-1), ?(L-2) and ?(L-3) includes the steps of laser marking with the infrared laser L-1 a first color laser markable layer including an infrared dye IR-1 having an absorption maximum in the infrared region ?max(IR-1); laser marking with the infrared laser L-2 a second color laser markable layer including an infrared dye IR-2 having an absorption maximum in the infrared region ?max(IR-2); laser marking with the infrared laser L-3 a third color laser markable layer including an infrared dye IR-3 having an absorption maximum in the infrared region ?max(IR-3); and at least partially exposing the color laser markable article to light having a wavelength between 520 nm and 700 nm, wherein, the laser emission wavelengths satisfy the condition of: ?(L-1)>?(L-2)>?(L-3); the infrared red dye absorption maxima satisfy the condition of: ?max(IR-1)>?max(IR-2)>?maType: GrantFiled: October 10, 2013Date of Patent: March 28, 2017Assignee: AGFA-GEVAERTInventors: Paul Callant, Bart Waumans, Ingrid Geuens, Bart Aerts
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Publication number: 20160318327Abstract: A colour laser markable laminate includes a colour laser markable layer including a leuco dye and an infrared absorbing compound, an optional adhesive layer, a polymeric support, an optional outerlayer, wherein the colour laser markable layer further includes an acid scavenger. The support, the optional adhesive layer, or the optional outer layer includes a UV absorbing compound.Type: ApplicationFiled: December 18, 2014Publication date: November 3, 2016Inventors: Marin STEENACKERS, Johan LOCCUFIER, Bart AERTS, Anouschka DEPLA
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Publication number: 20150306887Abstract: A method of producing a security document includes the steps of producing a first part of a colour image by colour laser marking a security document precursor; and producing a second part of the colour image by a second imaging technique different from laser marking. The resulting security document is more difficult to falsify.Type: ApplicationFiled: November 5, 2013Publication date: October 29, 2015Applicant: AGFA-GEVAERTInventors: Bart WAUMANS, Paul CALLANT, Bart AERTS
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Publication number: 20150277221Abstract: A set of laminates includes an outer laminate and an inner laminate, wherein the outer laminate includes a transparent polymeric support includinq on a first side of the support a colour laser markable layer containing an infrared dye having an absorption maximum ?max(IR-1) in the infrared region; wherein the inner laminate includes a transparent polymeric support including on, a first side of the transparent polymeric support, a colour laser markable layer containing an infrared dye having an absorption maximum ?max(IR-2) in the infrared region and, on a second side of the transparent polymeric support, a colour laser markable layer containing an infrared dye having an absorption maximum ?max(IR-3) in the infrared region; and the conditions a) and b) are satisfied: ?max(IR-1)>?max(IR-2)>?max(IR-3); and??a) ?max(IR-1)>1100 nm and ?max(IR-3)<1000 nm.Type: ApplicationFiled: October 10, 2013Publication date: October 1, 2015Applicant: AGFA-GEVAERTInventors: Bart Waumans, Paul Callant, Ingrid Geuens, Bart Aerts
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Publication number: 20150251481Abstract: A method for preparing a color laser marked article using three infrared lasers L-1, L-2 and L-3 having respectively a laser emission wavelength of ?(L-1), ?(L-2) and ?(L-3) includes the steps of laser marking with the infrared laser L-1 a first color laser markable layer including an infrared dye IR-1 having an absorption maximum in the infrared region ?max(IR-1); laser marking with the infrared laser L-2 a second color laser markable layer including an infrared dye IR-2 having an absorption maximum in the infrared region ?max(IR-2); laser marking with the infrared laser L-3 a third color laser markable layer including an infrared dye IR-3 having an absorption maximum in the infrared region ?max(IR-3); and at least partially exposing the color laser markable article to light having a wavelength between 520 nm and 700 nm, wherein, the laser emission wavelengths satisfy the condition of: ?(L-1)>?(L-2)>?(L-3); the infrared red dye absorption maxima satisfy the condition of: ?max(IR-1)>?max(IR-2)>?maType: ApplicationFiled: October 10, 2013Publication date: September 10, 2015Inventors: Paul Callant, Bart Waumans, Ingrid Geuens, Bart Aerts
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Patent number: 9067451Abstract: A security film including, in order, a transparent biaxially oriented polyethylene terephthalate support (1), a subbing layer (2, 2?) and a laser markable layer (3, 3?) comprising a laser additive and one or more polymers selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile.Type: GrantFiled: December 17, 2010Date of Patent: June 30, 2015Assignee: Agfa-Gevaert N.V.Inventors: Carlo Uyttendaele, Bart Aerts, Bart Waumans, Ingrid Geuens
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Patent number: 9012018Abstract: A security film including a support (1) and a laser markable layer (3), wherein the laser markable layer includes i) a laser additive; ii) a polymer selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile; iii) an initiator; and iv) at least 15 wt % of radiation curable compound based on the total dry weight of the laser markable layer, wherein the radiation curable compound has a viscosity of less than 100 mPa·s at 25° C. and at a shear rate of 100 s?1. A security document and a method for preparing the security film are also disclosed.Type: GrantFiled: December 17, 2010Date of Patent: April 21, 2015Assignee: Agfa-Gevaert N.V.Inventors: Carlo Uyttendaele, Bart Aerts, Bart Waumans, Ingrid Geuens
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Publication number: 20120231240Abstract: A security film including a support (1) and a laser markable layer (3), wherein the laser markable layer includes i) a laser additive; ii) a polymer selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile; iii) an initiator; and iv) at least 15 wt % of radiation curable compound based on the total dry weight of the laser markable layer, wherein the radiation curable compound has a viscosity of less than 100 mPa·s at 25° C. and at a shear rate of 100 s?1. A security document and a method for preparing the security film are also disclosed.Type: ApplicationFiled: December 17, 2010Publication date: September 13, 2012Applicant: AGFA-GEVAERT N.V.Inventors: Carlo Uyttendaele, Bart Aerts, Bart Waumans, Ingrid Geuens
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Publication number: 20120217736Abstract: A security film including, in order, a transparent biaxially oriented polyethylene terephthalate support (1), a subbing layer (2, 2?) and a laser markable layer (3, 3?) comprising a laser additive and one or more polymers selected from the group consisting of polystyrene, polycarbonate and styrene acrylonitrile.Type: ApplicationFiled: December 17, 2010Publication date: August 30, 2012Applicant: AGFA-GEVAERT N.V.Inventors: Carlo Uyttendaele, Bart Aerts, Bart Waumans, Ingrid Geuens
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Publication number: 20070036893Abstract: In a method of consecutively manufacturing a set of at least 5 storage phosphor plates by a vapor deposition process in one and the same vapor deposition apparatus, in said apparatus, before starting each vaporization, refractory material surfaces are brought into contact, in a crucible unit thereof, with liquefied raw materials of a matrix component and an activator component, a phosphor precursor component or a combination thereof, wherein deviations in speed from one plate to another within said set of storage phosphor plates are less than 15%, said deviations being expressed as a variation coefficient defined by following formula (SAL % dev/SAL % av)×100, provided that SAL % av stands for an averaged speed within average speeds over each of said storage phosphor plate surfaces within said set and that SAL % dev stands for a standard deviation of averaged speeds obtained from each phosphor plate within said set, wherein a step of increasing said refractory material surfaces is included by adding to said crType: ApplicationFiled: July 25, 2006Publication date: February 15, 2007Inventors: Jean-Pierre Tahon, Bart Aerts, Thomas Cabes, Johan Lamotte, Paul Leblans
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Publication number: 20050000411Abstract: An assembly for vaporizing raw materials in order to prepare vapor deposited phosphor materials comprises a crucible provided with two plates or covers, wherein one thereof is an outermost plate or cover provided with a perforation pattern, selected from the group consisting of one or more slits, in series or in parallel, and of openings having same or different diameter, randomly or regularly distributed over said cover, moreover covering said crucible having a bottom and surrounding side walls with a height “h” and wherein said crucible contains raw materials, is characterized in that a second plate is mounted internally in the crucible at a distance from said outermost cover plate being less than ? of said side wall height “h”.Type: ApplicationFiled: July 6, 2004Publication date: January 6, 2005Inventors: Bart Aerts, Johan Lamotte
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Patent number: 6837959Abstract: A method for the manufacturing of a tamper proof carrier of information is disclosed comprising a support and an opaque porous ink receiving layer. The carrier comprises at least two sets of information, preferably a first set representing general information or security print, and a second set representing personalized information. The ink receiving layer is rendered transparent by impregnation with a UV curable lacquer whereby the underlying information is revealed. Upon UV curing its mechanical properties are improved. The finished information carrier is preferably cut in a set of multiple identification cards.Type: GrantFiled: March 31, 2003Date of Patent: January 4, 2005Assignee: Agfa-GevaertInventors: Eddie Daems, Bart Aerts, Luc Leenders
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Publication number: 20030213550Abstract: A method for the manufacturing of a tamper proof carrier of information is disclosed comprising a support and an opaque porous ink receiving layer. The carrier comprises at least two sets of information, preferably a first set representing general information or security print, and a second set representing personalized information. The ink receiving layer is rendered transparent by impregnation with a UV curable lacquer whereby the underlying information is revealed. Upon UV curing its mechanical properties are improved. The finished information carrier is preferably cut in a set of multiple identification cards.Type: ApplicationFiled: March 31, 2003Publication date: November 20, 2003Inventors: Eddie Daems, Bart Aerts, Luc Leenders
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Patent number: 6387591Abstract: A heat-mode exposable imaging material is disclosed which is suitable for making a driographic printing master capable of accepting ink at exposed areas, said material comprising (i) a first layer containing more than 50% by weight of carbon or of an organic light absorbing compound, and (ii) an ink-abhesive second layer underlying said first layer, characterised in that said first layer is removable at non-exposed areas by starting a pressrun without substantially removing said second layer. In a preferred embodiment, the material comprises a support, a silicone coating and a surface coating which consists essentially of carbon, soot or graphite. After heat-mode exposure, the material is ink accepting at exposed areas and the surface coating is removed at non-exposed areas during the start of a pressrun, thereby revealing the silicone coating.Type: GrantFiled: September 8, 1999Date of Patent: May 14, 2002Assignee: Agfa-GevaertInventors: Luc Leenders, Bart Aerts
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Patent number: 5985515Abstract: According to the present invention there is provided a heat mode imaging element comprising in the order given:i) a lithographic base,ii) a heat ablatable recording layer andiii) a top layer having an opposite affinity for ink or an ink abhesive fluid than the lithographic base,characterized in that the top layer comprises as main substance an inorganic-organic composite material wherein the inorganic phase is formed by controlled hydrolysis and polycondensation of a metal alkoxide and the organic phase is an organic polymer or copolymer linked to at least one inorganic atom.Type: GrantFiled: February 18, 1998Date of Patent: November 16, 1999Assignee: AGFA-Gevaert, N.V.Inventors: Ludo Van Rompuy, Luc Leenders, Bart Aerts
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Patent number: 5908731Abstract: According to the present invention there is provided a heat mode imaging element comprising in the order given:i) a lithographic base having a hydrophilic surface,ii) a layer comprising a metal and/or a metallic derivative capable of being ablated by actinic radiation andiii) a hydrophobic layercharacterized in that the hydrophobic layer is a cross-linked layer.Type: GrantFiled: July 3, 1997Date of Patent: June 1, 1999Assignee: Agfa-Gevaert, N.V.Inventors: Luc Leenders, Bart Aerts