Patents by Inventor Raphaela PERLEWITZ

Raphaela PERLEWITZ 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).

  • Laminated pane with a holographic element and method for producing the same
    Patent number: 12521968
    Abstract: A laminated pane includes first and second panes, a layer stack arranged therebetween including a first thermoplastic intermediate layer, a separating layer, a photopolymer layer with at least one holographic element, a carrier layer, and a second thermoplastic intermediate layer, wherein the photopolymer layer has a thickness of 5 ?m to 50 ?m, the carrier layer contains polyethylene terephthalate (PET), polyethylene (PE), polymethyl methacrylate (PMMA), polycarbonate (PC), polyamide (PA), polyvinyl chloride (PVC), and/or cellulose triacetate (TAC) and has a thickness of 20 ?m to 100 ?m, wherein the carrier layer is arranged directly adjacent the photopolymer layer, and the separating layer contains polyethylene (PE), polyvinyl chloride (PVC), and/or polymethyl methacrylate (PMMA) and has a thickness of 10 ?m to 300 ?m.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 13, 2026
    Assignee: SAINT-GOBAIN SEKURIT FRANCE
    Inventors: Andreas Gomer, Raphaela Perlewitz, Adrien Ceripa, Daniel Krekel
  • LAMINATED PANE WITH A HOLOGRAPHIC ELEMENT AND METHOD FOR PRODUCING THE SAME
    Publication number: 20230311457
    Abstract: A laminated pane includes first and second panes, a layer stack arranged therebetween including a first thermoplastic intermediate layer, a separating layer, a photopolymer layer with at least one holographic element, a carrier layer, and a second thermoplastic intermediate layer, wherein the photopolymer layer has a thickness of 5 ?m to 50 ?m, the carrier layer contains polyethylene terephthalate (PET), polyethylene (PE), polymethyl methacrylate (PMMA), polycarbonate (PC), polyamide (PA), polyvinyl chloride (PVC), and/or cellulose triacetate (TAC) and has a thickness of 20 ?m to 100 ?m, wherein the carrier layer is arranged directly adjacent the photopolymer layer, and the separating layer contains polyethylene (PE), polyvinyl chloride (PVC), and/or polymethyl methacrylate (PMMA) and has a thickness of 10 ?m to 300 ?m.
    Type: Application
    Filed: June 10, 2021
    Publication date: October 5, 2023
    Inventors: Andreas GOMER, Raphaela PERLEWITZ, Adrien CERIPA, Daniel KREKEL