Patents by Inventor Luc Vanmaele
Luc Vanmaele 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: 10626276Abstract: A radiation curable composition for preparing a polymeric membrane includes a) a membrane polymer selected from the group consisting of a polysulfone (PSU), a polyether sulfone (PES), a polyether etherketone (PEEK), a polyvinylchloride (PVC), a polyacrylonitrile (PAN), a polyvinylidene fluoride (PVDF), a polyimide (PI), a polyamide (PA) and copolymers thereof; b) a hydrophobic monomer or oligomer having at least two free radical polymerizable groups independently selected from the group consisting of an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a styrene group, a vinyl ether group, a vinyl ester group, a maleate group, a fumarate group, an itaconate group, and a maleimide group; and c) an organic solvent for the membrane polymer and the hydrophobic monomer. A polymeric membrane and a method for manufacturing the membrane are also disclosed.Type: GrantFiled: January 11, 2017Date of Patent: April 21, 2020Assignees: AGFA-GEVAERT, KATHOLIEKE UNIVERSITEIT LEUVENInventors: Izabela Struzynska-Piron, Ivo Vankelecom, Luc Vanmaele, Johan Loccufier
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Patent number: 10607746Abstract: A dispersion of a conductive polymer and a polyanion in a non-aqueous medium further includes a compound including an acid sensitive functional group selected from the group consisting of a ketal, an acetal, an aminal, a hemi-ketal, a hemi-acetal, a hemi-aminal, a thioacetal, an amide acetal, an orthoester, an orthoether, an enolester, an enolether, and an enolamine.Type: GrantFiled: April 27, 2015Date of Patent: March 31, 2020Assignee: AGFA GEVAERTInventors: Luc Vanmaele, Tim Van Gijseghem
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Publication number: 20170121529Abstract: A radiation curable composition for preparing a polymeric membrane includes a) a membrane polymer selected from the group consisting of a polysulfone (PSU), a polyether sulfone (PES), a polyether etherketone (PEEK), a polyvinylchloride (PVC), a polyacrylonitrile (PAN), a polyvinylidene fluoride (PVDF), a polyimide (PI), a polyamide (PA) and copolymers thereof; b) a hydrophobic monomer or oligomer having at least two free radical polymerizable groups independently selected from the group consisting of an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a styrene group, a vinyl ether group, a vinyl ester group, a maleate group, a fumarate group, an itaconate group, and a maleimide group; and c) an organic solvent for the membrane polymer and the hydrophobic monomer. A polymeric membrane and a method for manufacturing the membrane are also disclosed.Type: ApplicationFiled: January 11, 2017Publication date: May 4, 2017Inventors: Izabela STRUZYNSKA-PIRON, Ivo VANKELECOM, Luc VANMAELE, Johan LOCCUFIER
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Publication number: 20170047141Abstract: A dispersion of a conductive polymer and a polyanion in a non-aqueous medium further includes a compound including an acid sensitive functional group selected from the group consisting of a ketal, an acetal, an aminal, a hemi-ketal, a hemi-acetal, a hemi-aminal, a thioacetal, an amide acetal, an orthoester, an orthoether, an enolester, an enolether, and an enolamine.Type: ApplicationFiled: April 27, 2015Publication date: February 16, 2017Inventors: Luc VANMAELE, Tim VAN GIJSEGHEM
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Patent number: 9309341Abstract: The present invention relates to a curable jettable fluid for making a flexographic printing master characterized in that the jettable fluid has a viscosity measured at jetting temperature of less than 15 mPa·s and comprises at least 50 wt. % of a mixture of a cyclic monofunctional (meth)acrylate monomer, a monofunctional urethane acrylate oligomer and a difunctional (meth)acrylate monomer.Type: GrantFiled: December 19, 2011Date of Patent: April 12, 2016Assignee: Agfa Graphics NVInventors: Eddie Daems, Luc Vanmaele
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Patent number: 9216566Abstract: 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.Type: GrantFiled: December 1, 2009Date of Patent: December 22, 2015Assignee: AGFA GRAPHICS NVInventors: Chris Gullentops, Eddie Daems, Luc Vanmaele
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Publication number: 20150291843Abstract: A radiation curable composition for preparing a polymeric membrane includes a) a membrane polymer selected from the group consisting of a polysulfone (PSU), a polyether sulfone (PES), a polyether etherketone (PEEK), a polyvinylchloride (PVC), a polyacrylonitrile (PAN), a polyvinylidene fluoride (PVDF), a polyimide (PI), a polyamide (PA) and copolymers thereof; b) a hydrophobic monomer or oligomer having at least two free radical polymerizable groups independently selected from the group consisting of an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a styrene group, a vinyl ether group, a vinyl ester group, a maleate group, a fumarate group, an itaconate group, and a maleimide group; and c) an organic solvent for the membrane polymer and the hydrophobic monomer. A polymeric membrane and a method for manufacturing the membrane are also disclosed.Type: ApplicationFiled: March 19, 2013Publication date: October 15, 2015Applicants: KATHOLIEKE UNIVERSITEIT LEUVEN, AGFA-GEVAERTInventors: Izabela STRUZYNSKA-PIRON, Ivo VANKELECOM, Luc VANMAELE, Johan LOCCUFIER
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Patent number: 9126394Abstract: A method of preparing a flexographic printing master including an optional elastomeric floor, an optional mesa relief, and an image relief are applied in this order on a flexographic printing support includes applying and curing fluid droplets thereby building up a plurality of layers of fluid on top of each other, wherein each fluid droplet applied is at least partially cured before an adjacent fluid droplet is subsequently applied, with the exception that a fluid droplet applied during building up at least one layer of fluid is not cured before an adjacent fluid droplet of the same layer is subsequently applied.Type: GrantFiled: May 17, 2011Date of Patent: September 8, 2015Assignee: Agfa Graphics NVInventors: Chris Gullentops, Eddie R. Daems, Luc Vanmaele
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Patent number: 8985019Abstract: 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.Type: GrantFiled: December 1, 2009Date of Patent: March 24, 2015Assignee: Agfa Graphics NVInventors: Eddie Daems, Luc Vanmaele
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Publication number: 20150064606Abstract: The invention relates to an assembly of a porous metallic gas diffusion substrate and a polymeric separator membrane for use in an alkaline electrolyser or alkaline fuel cell. The polymeric separator membrane of the assembly comprises inorganic hydrophilic particulates dispersed in an organic polymeric binder. The polymeric separator membrane is gas tight when filled with electrolyte. The polymeric separator membrane is penetrating into at least a top portion of the porous metallic gas diffusion substrate. Also disclosed is a method to produce such an assembly via coating a paste on a porous metallic gas diffusion substrate.Type: ApplicationFiled: March 11, 2013Publication date: March 5, 2015Applicants: NV BEKAERT SA, AGFA-GEVAERT NVInventors: Erik Dekempeneer, Inge Schildermans, Johan Vanbrabant, Bo Hong, Luc Vanmaele, Guido Desie, Willem Mues
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Patent number: 8883873Abstract: A polymerizable polymeric photoinitiator according to Formula (I): wherein: PL represents an n+m+p-functional polymeric core; n and m independently represent an integer from 1 to 30; p represents an integer from 0 to 10; o is 0 or 1; INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an ?-hydroxyalkylphenone, an ?-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an ?-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an ?-haloarylketone and an ?-haloaryl sulfone; L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms; A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester,Type: GrantFiled: January 22, 2010Date of Patent: November 11, 2014Assignee: Agfa Graphics NVInventors: Johan Loccufier, Luc Vanmaele, Hedwige Docx, Nadine Willems
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Publication number: 20140109784Abstract: The present invention relates to a curable jettable fluid for making a flexographic printing master characterized in that the jettable fluid comprises a monofunctional (meth)acrylate monomer, a polyalkylene glycol di(meth)acrylate monomer of which the polyalkylene glycol chain has a MW of at least 300 and at least 1 wt. % of a difunctional (meth)acrylate monomer according to Formula I) or (II), wherein k and m in Formula (I) is an integer ranging from 0 to 5, l in Formula (I) is an integer ranging from 1 to 20, n in Formula (II) is 1, 2, 3 or 4, R in Formula (I) and (II) is H or CH3, and R? in Formula (II) is H or an alkyl group.Type: ApplicationFiled: June 18, 2012Publication date: April 24, 2014Applicant: AGFA GRAPHICS NVInventors: Eddie Daems, Luc Vanmaele
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Patent number: 8621995Abstract: 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.Type: GrantFiled: November 24, 2009Date of Patent: January 7, 2014Assignee: Agfa Graphics NVInventors: Jan Claes, Luc Vanmaele
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Publication number: 20130319273Abstract: The present invention relates to a curable jettable fluid for making a flexographic printing master comprising a cyclic monofunctional (meth)acrylate monomer and a difunctional (meth)acrylate monomer characterized in that the fluid further comprises a copolymerizable plasticizing monomer preferably selected from the group consisting of diallyl phthalate and a low Tg monomer, of which the corresponding homopolymer has a glass transition temperature (Tg) below ?15° C.Type: ApplicationFiled: December 16, 2011Publication date: December 5, 2013Applicant: AGFA GRAPHICS NVInventors: Luc Vanmaele, Eddie Daems
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Publication number: 20130276653Abstract: The present invention relates to a curable jettable fluid for making a flexographic printing master characterized in that the jettable fluid has a viscosity measured at jetting temperature of less than 15 mPa·s and comprises at least 50 wt. % of a mixture of a cyclic monofunctional (meth)acrylate monomer, a monofunctional urethane acrylate oligomer and a difunctional (meth)acrylate monomer.Type: ApplicationFiled: December 19, 2011Publication date: October 24, 2013Applicant: AGFA GRAPHICS NVInventors: Eddie Daems, Luc Vanmaele
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Publication number: 20130269558Abstract: The present invention relates to a curable jettable fluid for making a flexographic printing master comprising an initiator, a cyclic monofunctional (meth)acrylate monomer and a difunctional (meth)acrylate monomer characterized in that the initiator is an oligomer, a polymer or a copolymerizable compound.Type: ApplicationFiled: December 19, 2011Publication date: October 17, 2013Applicant: AGFA GRAPHICS NVInventors: Luc Vanmaele, Eddie Daems
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Publication number: 20130059089Abstract: A method of preparing a flexographic printing master including an optional elastomeric floor, an optional mesa relief, and an image relief are applied in this order on a flexographic printing support includes applying and curing fluid droplets thereby building up a plurality of layers of fluid on top of each other, wherein each fluid droplet applied is at least partially cured before an adjacent fluid droplet is subsequently applied, with the exception that a fluid droplet applied during building up at least one layer of fluid is not cured before an adjacent fluid droplet of the same layer is subsequently applied.Type: ApplicationFiled: May 17, 2011Publication date: March 7, 2013Inventors: Chris Gullentops, Eddie R. Daems, Luc Vanmaele
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Publication number: 20120319013Abstract: 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.Type: ApplicationFiled: July 23, 2012Publication date: December 20, 2012Applicant: AGFA GRAPHICS NVInventors: Luc LEENDERS, Willem MUES, Jackie DUPREZ, Bart VERHOEST, Hilbrand VANDEN WYNGAERT, Eddie DAEMS, Luc VANMAELE
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Patent number: 8286578Abstract: 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.Type: GrantFiled: September 18, 2007Date of Patent: October 16, 2012Assignee: Agfa Graphics NVInventors: Luc Leenders, Willem Mues, Jackie Duprez, Bart Verhoest, Hilbrand Vanden Wyngaert, Eddie Daems, Luc Vanmaele
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Patent number: 8142860Abstract: A 3D-inkjet printing method includes the steps of a) providing two or more fluids having a different composition to an inkjet printer; b) mixing the two or more fluids in a controlled amount; c) jetting the mixture of the two or more fluids with the inkjet printer onto a support; d) at least partially curing the jetted mixture by actinic radiation or electron beam; and e) repeating steps b) to d) in order to build a 3D-relief on the support. The method is capable of printing 3D-objects with inkjet fluid sets in an inkjet printer.Type: GrantFiled: December 19, 2007Date of Patent: March 27, 2012Assignee: Agfa Graphics NVInventors: Luc Vanmaele, Eddie Daems, Frank De Voeght, Etienne Van Thillo