Patents by Inventor Walther Wouters

Walther Wouters 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).

  • Patent number: 10265995
    Abstract: A security article includes a laser markable layer and a transparent outer layer or sheet having lenticular lenses on its outer surface, both provided, in this order, on an opaque core support, characterized in that the laser markable layer has a dry layer thickness of less than 50 ?m. An improved contrast is obtained between interlaced images exposed into the security article of the invention.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: April 23, 2019
    Assignee: AGFA-GEVAERT
    Inventors: Jürgen Jung, Rene Geelen, Anouschka Depla, Walther Wouters
  • Publication number: 20180264867
    Abstract: A security article includes a laser markable layer and a transparent outer layer or sheet having lenticular lenses on its outer surface, both provided, in this order, on an opaque core support, characterized in that the laser markable layer has a dry layer thickness of less than 50 ?m. An improved contrast is obtained between interlaced images exposed into the security article of the invention.
    Type: Application
    Filed: December 18, 2015
    Publication date: September 20, 2018
    Inventors: Jürgen JUNG, Rene GEELEN, Anouschka DEPLA, Walther WOUTERS
  • Patent number: 9434863
    Abstract: A security laminate (1) including in order a transparent oriented polyester support (2), a subbing layer (3) and an adhesive layer (4) which is coated on top of the subbing layer, wherein the binder of the adhesive layer is based on a mixture of a first and a second polymer in a weight ratio from 50/50 to 90/10, wherein the first polymer is a copolymer comprising vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the first polymer; wherein the second polymer is a copolymer of styrene, butadiene and methylmethacrylate or a copolymer of vinyl butyral, vinyl acetate and vinyl alcohol; and wherein the binder of the subbing layer is based on a polyester-urethane copolymer.
    Type: Grant
    Filed: September 3, 2012
    Date of Patent: September 6, 2016
    Assignee: Agfa-Gevaert N.V.
    Inventors: Vera Drieghe, Peter Cantraine, Bart Waumans, Walther Wouters, Ingrid Geuens
  • Publication number: 20140193638
    Abstract: A security laminate (1) including in order a transparent oriented polyester support (2), a subbing layer (3) and an adhesive layer (4) which is coated on top of the subbing layer, wherein the binder of the adhesive layer is based on a mixture of a first and a second polymer in a weight ratio from 50/50 to 90/10, wherein the first polymer is a copolymer comprising vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the first polymer; wherein the second polymer is a copolymer of styrene, butadiene and methylmethacrylate or a copolymer of vinyl butyral, vinyl acetate and vinyl alcohol; and wherein the binder of the subbing layer is based on a polyester-urethane copolymer.
    Type: Application
    Filed: September 3, 2012
    Publication date: July 10, 2014
    Applicant: AGFA-GEVAERT N.V.
    Inventors: Vera Drieghe, Peter Cantraine, Bart Waumans, Walther Wouters, Ingrid Geuens
  • Patent number: 8002194
    Abstract: Disclosed is a smart information carrier containing a security element laminated with a transparent polymer foil having a melting point higher than 150° C. and the security element is surrounded by an edge at least 1 mm wide in which the transparent polymer foil on each side of the security element are laminated to one another, the security element including an IC-module and a fibre-containing continuous support, wherein the support is security printed on at least the side of the support nearer to the IC-module and the IC-module is encapsulated with a transparent polymer or polymer mixture with a melting point up to 150° C. wherein the transparent polymer or polymer mixtures also coats the side of the support nearer to the IC-module. Also disclosed is a method of preparing the smart information carrier.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: August 23, 2011
    Assignee: Agfa HealthCare, N.V.
    Inventors: Ingrid Geuens, Peter Willaert, Walther Wouters
  • Publication number: 20100320743
    Abstract: 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: Application
    Filed: March 26, 2009
    Publication date: December 23, 2010
    Applicant: AGFA-GEVAERT
    Inventors: Ingrid Geuens, Walther Wouters
  • Publication number: 20080314988
    Abstract: A smart information carrier comprising a security element having two sides each side being laminated with at least one transparent polymer foil having a melting point higher than 150° C. so that the security element is surrounded by an edge at least 1 mm wide in which the at least one transparent polymer foil on each side of the security element are laminated to one another, the security element comprising an IC-module and a natural fibre-containing or synthetic fibre-containing continuous support exclusive of an antenna, the IC-module comprising an electronic chip and an antenna integrated therein, wherein the support is security printed on at least the side of the support nearer to the IC-module and the IC-module is at least substantially encapsulated with a transparent polymer or polymer mixture with a melting point up to 150° C.
    Type: Application
    Filed: June 19, 2008
    Publication date: December 25, 2008
    Inventors: Ingrid Geuens, Peter Willaert, Walther Wouters
  • Patent number: 6326082
    Abstract: According to the present invention there is provided a laminating element comprising a transparent support coated with a thermally non-reversible layer comprising an ethylene-acrylic acid copolymer, a first polyurethane polymer and a second polyurethane polymer, said layer having a pH of at least 10 and containing a metallic or an amphoteric cation.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: December 4, 2001
    Assignee: Agfa-Gevaert
    Inventors: Leo Vermeulen, Michel Boulonne, Walther Wouters, Diane Vertruyen, Huub Van Aert
  • Patent number: 6284350
    Abstract: According to the present invention there is provided an imaged element comprising an optical card and underneath a layer package comprising in the order given an optional image receiving layer, a prelayer, an interlayer and a transparent support, at least the optional image receiving layer or the prelayer comprising an image, characterized in that the interlayer contains a polyurethane and a cross-linking agent.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: September 4, 2001
    Assignee: Agfa-Gevaert
    Inventors: Leo Vermeulen, Michel Boulonne, Walther Wouters, Diane Vertruyen