Patents by Inventor Willem Mues
Willem Mues 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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Publication number: 20230356440Abstract: A method of preparing a reinforced separator comprising the steps of:—providing a porous support (6) on a pre-wetted casting drum (23);—applying a dope solution (3) including a polymer resin and hydrophilic inorganic particles on a side of the porous support other than the side of the porous support in contact with the pre-wetted casting drum;—performing phase inversion (9, 1) of the applied polymer solution thereby obtaining a reinforced separator; and—removing the reinforced separator (7) from the casting drum; wherein the casting drum is pre-wetted with a non-solvent for the polymer resin.Type: ApplicationFiled: September 9, 2021Publication date: November 9, 2023Applicant: AGFA-Gevaert NVInventors: Willem Mues, Hanne Verwaest, Cristina Tudisco
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Publication number: 20230332310Abstract: A separator for alkaline electrolysis comprising a support (10) and a porous layer (20) provided on the support, characterized in that the support is capable of being substantially removed from the separator. The support is preferably removed by the electrolyte of an alkaline electrolyser.Type: ApplicationFiled: June 30, 2021Publication date: October 19, 2023Applicant: AGFA-Gevaert NVInventors: Willem Mues, Cristina Tudisco, Hanne Verwaest
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Publication number: 20230243054Abstract: A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 ?m or less and the total thickness (d2) of the separator is less than 250 ?m. Also a method is disclosed wherewith such a separator may be prepared.Type: ApplicationFiled: June 29, 2021Publication date: August 3, 2023Applicant: AGFA-Gevaert NVInventors: Willem Mues, Hanne Verwaest, Cristina Tudisco
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Patent number: 11499240Abstract: A reinforced separator for alkaline hydrolysis includes a porous support, a first porous polymer layer contiguous with one side of the support and a second porous polymer layer contiguous with the other side of the support, characterized in that the maximum pore diameter at the outer surface of the first porous polymer layer PDmax(1) and of the second porous polymer layer PDmax(2) are different from each other and wherein a ratio between PDmax(2) and PDmax(1) is between 1.25 and 10.Type: GrantFiled: July 9, 2018Date of Patent: November 15, 2022Assignee: AGFA-GEVAERT NVInventor: Willem Mues
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Publication number: 20220259751Abstract: A separator for alkaline water electrolysis (1) comprising a porous hydrophilic polymer layer (20), the porous hydrophilic polymer layer comprising a polymer resin and hydrophilic inorganic particles, characterized in that the inorganic particles are barium-sulfate particles having a particle size D50 of 0.7 pm or less.Type: ApplicationFiled: June 26, 2020Publication date: August 18, 2022Applicant: AGFA-GEVAERT NVInventor: Willem MUES
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Publication number: 20200181785Abstract: A reinforced separator for alkaline hydrolysis includes a porous support, a first porous polymer layer contiguous with one side of the support and a second porous polymer layer contiguous with the other side of the support, characterized in that the maximum pore diameter at the outer surface of the first porous polymer layer PDmax(1) and of the second porous polymer layer PDmax(2) are different from each other and wherein a ratio between PDmax(2) and PDmax(1) is between 1.25 and 10.Type: ApplicationFiled: July 9, 2018Publication date: June 11, 2020Inventor: Willem MUES
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Patent number: 10249900Abstract: A method for making a composite membrane includes the steps of coating a first layer of ionomer on an intermediate support, laminating a dry porous support into the wet first layer of ionomer, impregnating the porous support with ionomer from the coated ionomer layer, optionally drying the impregnated porous support and the first layer of ionomer, coating a second layer of ionomer on the impregnated porous support, drying the second layer of ionomer until most of the solvent is evaporated, and delaminating the composite membrane from the intermediate support. The composite membrane thus obtained includes a porous support impregnated with the ionomer and on each side of the impregnated support a dense ionomer layer.Type: GrantFiled: August 25, 2014Date of Patent: April 2, 2019Assignee: AGFA-GEVAERTInventors: Guido Desie, Willem Mues, Patrick Wouters, Roger Hendriks
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Publication number: 20160172701Abstract: A method for making a composite membrane includes the steps of coating a first layer of ionomer on an intermediate support, laminating a dry porous support into the wet first layer of ionomer, impregnating the porous support with ionomer from the coated ionomer layer, optionally drying the impregnated porous support and the first layer of ionomer, coating a second layer of ionomer on the impregnated porous support, drying the second layer of ionomer until most of the solvent is evaporated, and delaminating the composite membrane from the intermediate support. The composite membrane thus obtained includes a porous support impregnated with the ionomer and on each side of the impregnated support a dense ionomer layer.Type: ApplicationFiled: August 25, 2014Publication date: June 16, 2016Inventors: Guido DESIE, Willem MUES, Patrick WOUTERS, Roger HENDRIKS
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Publication number: 20150284524Abstract: A method for preparing a barrier film includes the steps of providing a substrate; applying in a single coating step a polymer latex on the substrate to form a single layer of the polymer on the substrate; and drying the single layer of the polymer; characterized in that the single layer has a dry coating weight (DCW) of at least 20 g/m2 of polymer and is dried at a dry temperature (Td) of at least the film formation temperature (Tf) of the polymer latex at a relative humidity (RH) according to the following formula: RH=15+1.25*DCW.Type: ApplicationFiled: December 16, 2013Publication date: October 8, 2015Inventors: Anouschka Depla, Willem Mues, Peter Bries, Dirk Quintens
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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: 8734893Abstract: A process comprising a duplex type impregnating apparatus providing 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 to symmetriType: GrantFiled: May 29, 2009Date of Patent: May 27, 2014Assignees: Agfa-Gevaert N.V., Vito N.V.Inventors: Willem Mues, Bart Cobben, Wim Doyen
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Patent number: 8496989Abstract: 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: GrantFiled: May 29, 2009Date of Patent: July 30, 2013Assignees: Agfa-Gevaert N.V., Vito N.V.Inventors: Willem Mues, Bart Cobben, Wim Doyen
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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: 8061531Abstract: A membrane bag comprising a volume for permeate collection, wherein the volume is completely enclosed in seamless membrane substance; a filtration unit comprising at least one above-described seamless membrane bag; the use of at least one above-described seamless membrane bag in a membrane bioreactor; the use of at least one above-described seamless membrane bag in water filtration or waste water purification; and the use of at least one above-described seamless membrane bag for the filtration or separation of a mixture of fluids, vapors and particles.Type: GrantFiled: May 15, 2008Date of Patent: November 22, 2011Assignee: De Vlaamse Instelling voor Technologisch Onderrzoek (VITO) N.V.Inventors: Willem Mues, Bart Cobben, Wim Doyen, Walter Adriansens, Bart Molenberghs
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Patent number: 8038880Abstract: Disclosed are seamless membrane bags, for example, a membrane bag comprising a spacer fabric and a volume for permeate collection, the spacer fabric comprising a first part and a second part that are spaced apart and tied together at a predefined distance by monofilament thread and the first and second parts are at least partially embedded with membrane substance and the volume for permeate collection is interposed between the first and second parts. The membrane substance embeds portions of the monofilament thread and fills the spacer fabric along the border of the membrane bag. The membrane substance completely enclosing the volume is seamless. Also disclosed are processes for producing such bags, a filtration unit comprising such a membrane bag, and their uses in the separation of fluids, vapors and particles.Type: GrantFiled: May 15, 2008Date of Patent: October 18, 2011Assignee: De Vlaamse Instelling voor Technologisch Onderzoek (VITO) N.V.Inventors: Willem Mues, Bart Cobben, Wim Doyen, Walter Adriansens, Bart Molenberghs
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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: 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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Publication number: 20090241788Abstract: 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: September 18, 2007Publication date: October 1, 2009Applicant: AGFA GRAPHICS NVInventors: Luc Leenders, Willem Mues, Jackie Duprez, Bart Verhoest, Hilbrand Vanden Wyngaert, Eddie Daems, Luc Vanmaele
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Publication number: 20090078644Abstract: Disclosed are seamless membrane bags for example, a membrane bag comprising a spacer fabric and a volume for permeate collection, the spacer fabric comprising a first part and a second part that are spaced apart and tied together at a predefined distance by monofilament thread and the first and second parts are at least partially embedded with membrane substance and the volume for permeate collection is interposed between the first and second parts. The membrane substance embeds portions of the monofilament thread and fills the spacer fabric along the border of the membrane bag. The membrane substance completely enclosing the volume is seamless. Also disclosed are processes for producing such bags, a filtration unit comprising such a membrane bag and their uses in the separation of fluids, vapours and particles.Type: ApplicationFiled: May 15, 2008Publication date: March 26, 2009Inventors: Willem Mues, Bart Cobben, Wim Doyen, Walter Adriansens, Bart Molenberghs