Patents by Inventor Geert Van Dyck
Geert Van Dyck 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: 9156276Abstract: A method for inkjet varnishing a substrate includes the steps of jetting a micro-pattern of a varnish having a viscosity of less than 30 mPa·s at 45° C. and at a shear rate of 30 s?1 to a portion of the substrate by one or more printheads having nozzles with a nozzle diameter of no more than 30 ?m, and at least partially curing the micro-pattern within 500 milliseconds after jetting to provide a micro-roughness to the portion of the substrate.Type: GrantFiled: June 17, 2013Date of Patent: October 13, 2015Assignee: Agfa Graphics NVInventors: Stefaan De Meutter, Geert Van Dyck, David Tilemans
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Publication number: 20150116425Abstract: A method for inkjet varnishing a substrate includes the steps of jetting a micro-pattern of a varnish having a viscosity of less than 30 mPa·s at 45° C. and at a shear rate of 30 s?1 to a portion of the substrate by one or more printheads having nozzles with a nozzle diameter of no more than 30 ?m, and at least partially curing the micro-pattern within 500 milliseconds after jetting to provide a micro-roughness to the portion of the substrate.Type: ApplicationFiled: June 17, 2013Publication date: April 30, 2015Inventors: Stefaan De Meutter, Geert Van Dyck, David Tilemans
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Patent number: 8807734Abstract: A combination of: a) an inkjet print head having a nozzle density of at least 600 dpi and nozzles with an outer nozzle diameter D smaller than 25?m; and b) a UV curable inkjet composition containing 0 to 10 wt % of one or more monofunctional monomers and at least A wt % of 2-(2-vinyloxyethoxy)ethyl acrylate, wherein both wt % are based on the total weight of the UV curable inkjet composition; and wherein A is defined by the formula 100 wt %?D×3.0 wt %/?m?A?100 wt %?D×1.0 wt %/?m.Type: GrantFiled: September 22, 2010Date of Patent: August 19, 2014Assignee: Agfa Graphics NVInventors: Geert Van Dyck, David Tilemans
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Patent number: 8684515Abstract: A radiation curable inkjet printing method for producing printed flexible foils and plastic bags wherein a web-like polymeric substrate having a maximum value for Tan ? between 40° C. and 110° C. and a surface energy Ssub is printed upon using a single pass inkjet printer with 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 curing the radiation curable liquid on the substrate at a surface temperature equal or higher than the temperature of the maximum value for Tan ? and smaller than the melting point of the polymeric recording medium. A single pass inkjet printer is also disclosed.Type: GrantFiled: December 14, 2012Date of Patent: April 1, 2014Assignee: Agfa Graphics NVInventors: Geert Van Dyck, Etienne Van Thillo, Peter Bracke
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Patent number: 8646901Abstract: A single pass inkjet printing method includes the steps of: a) providing a radiation curable inkjet ink set containing at least a first and a second radiation curable inkjet ink having a dynamic surface tension of no more than 30 mN/m measured by maximum bubble pressure tensiometry at a surface age of 50 ms and at 25° C.; b) jetting a first radiation curable inkjet ink on an ink-jet ink-receiver moving at a printing speed of at least 35 m/min.; c) at least partially curing the first inkjet ink on the ink receiver within the range of 40 to 500 ms after the first inkjet ink landed on the ink receiver; d) jetting a second radiation curable inkjet ink on the at least partially cured first inkjet ink; and e) at least partially curing the second inkjet ink within the range of 40 to 500 ms after the second inkjet ink landed on the first inkjet ink.Type: GrantFiled: December 20, 2010Date of Patent: February 11, 2014Assignee: Agfa Graphics NVInventors: Stefaan De Meutter, Peter Bracke, David Tilemans, Joris Van Garsse, Geert Van Dyck
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Patent number: 8371688Abstract: A radiation curable inkjet printing method for producing printed flexible foils and plastic bags wherein a web-like polymeric substrate having a maximum value for Tan ? between 40° C. and 110° C. and a surface energy Ssub is printed upon using a single pass inkjet printer with 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 curing the radiation curable liquid on the substrate at a surface temperature equal or higher than the temperature of the maximum value for Tan ? and smaller than the melting point of the polymeric recording medium. A single pass inkjet printer is also disclosed.Type: GrantFiled: October 17, 2008Date of Patent: February 12, 2013Assignee: Agfa Graphics NVInventors: Geert Van Dyck, Etienne Van Thillo, Peter Bracke
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Publication number: 20120281034Abstract: A single pass inkjet printing method includes the steps of: a) providing a radiation curable inkjet ink set containing at least a first and a second radiation curable inkjet ink having a dynamic surface tension of no more than 30 mN/m measured by maximum bubble pressure tensiometry at a surface age of 50 ms and at 25° C.; b) jetting a first radiation curable inkjet ink on an ink-jet ink-receiver moving at a printing speed of at least 35 m/min.; c) at least partially curing the first inkjet ink on the ink receiver within the range of 40 to 500 ms after the first inkjet ink landed on the ink receiver; d) jetting a second radiation curable inkjet ink on the at least partially cured first inkjet ink; and e) at least partially curing the second inkjet ink within the range of 40 to 500 ms after the second inkjet ink landed on the first inkjet ink.Type: ApplicationFiled: December 20, 2010Publication date: November 8, 2012Applicant: AGFA GRAPHICS NVInventors: Stefaan De Meutter, Peter Bracke, David Tilemans, Joris Van Garsse, Geert Van Dyck
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Publication number: 20120194616Abstract: A combination of: a) an inkjet print head having a nozzle density of at least 600 dpi and nozzles with an outer nozzle diameter D smaller than 25 ?m; and b) a UV curable inkjet composition containing 0 to 10 wt % of one or more monofunctional monomers and at least A wt % of 2-(2-vinyloxyethoxy)ethyl acrylate, wherein both wt % are based on the total weight of the UV curable inkjet composition; and wherein A is defined by the formula 100 wt %?D×3.0 wt %/?m?A?100 wt %?D×1.0 wt %/?m.Type: ApplicationFiled: September 22, 2010Publication date: August 2, 2012Applicants: AGFA-GEVAERT N.V., AGFA GRAPHICS NVInventors: Geert Van Dyck, David Tilemans
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Publication number: 20100309268Abstract: 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 ? 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 ? and smaller than the melting point of the polymeric recording medium. The maximum value for Tan ? is determined by dynamic mechanical analysis at a temperature ramp of 3° C.Type: ApplicationFiled: October 17, 2008Publication date: December 9, 2010Applicant: AGFA GRAPHICS NVInventors: Geert Van Dyck, Etienne Van Thillo, Peter Bracke
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Patent number: 7147936Abstract: A layer configuration on a support, the layer configuration comprising a layer containing a polymer containing optionally substituted 3,4-alkylenedioxythiophene structural units, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, and a compound selected from the group consisting of polyphosphoric acids, polyphosphoric acid salts, thia-alkanedicarboxylic acids, cyclohexadiene compounds and polyhydroxy-compounds selected from the group consisting of tetronic acid derivatives; ortho-dihydroxybenzene compounds with at least one sulpho group, compounds according to formula (I): HO—CH2—CH(OH)—(CH2)m—S—CH2—C(R1)(R2)—CH2—S—(CH2)n—CH(OH)—CH2—OH??(I) wherein R1 and R2 are independently H, —OH or alkyl, and n and m are independently 1, 2 or 3; compounds according to formula (II): HO—(CH2)p—S—CH2—S—(CH2)q—OH??(II) wherein p and q are independently 2, 3 or 4; compounds hydrolyzable to tetronic acid derivatives; compounds hydrolyzable toType: GrantFiled: August 18, 2003Date of Patent: December 12, 2006Assignee: Agfa GevaertInventors: Frank Louwet, Geert Van Dyck, Johan Loccufier, Bert Groenendaal, Hieronymus Andriessen
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Publication number: 20040043895Abstract: A layer configuration on a support, the layer configuration comprising a layer containing a polymer containing optionally substituted 3,4-alkylenedioxythiophene structural units, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, and a compound selected from the group consisting of polyphosphoric acids, polyphosphoric acid salts, thia-alkanedicarboxylic acids, cyclohexadiene compounds and polyhydroxy-compounds selected from the group consisting of tetronic acid derivatives; ortho-dihydroxybenzene compounds with at least one sulpho group, compounds according to formula (I):Type: ApplicationFiled: August 18, 2003Publication date: March 4, 2004Applicant: AGFA-GEVAERTInventors: Frank Louwet, Geert Van Dyck, Johan Loccufier, Bert Groenendaal, Hieronymus Andriessen
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Patent number: 6051355Abstract: A receptor element for non-impact printing is provided comprising a support and an image receiving layer containing at least 80% by weight with respect to the total weight of the layer of a polymer with between 0.5 and 20 mole % of moieties carrying sulphonic acid groups. Preferably the polymer is a polyester comprising between 0.5 and 20 mole % with respect to the total acid content of moieties provided by sulphoisophthalic acid and the sulpho groups are present in free acid form.Type: GrantFiled: July 21, 1998Date of Patent: April 18, 2000Assignee: Agfa-Gevaert, N. V.Inventors: Etienne Van Thillo, August Marien, Geert Van Dyck