Patents Assigned to LEOHNARD KURZ STIFTUNG & CO. KG
  • Patent number: 9969203
    Abstract: In a process for producing a multilayer body, an HRI layer made of a material having a high refractive index is applied to at least part of the surface area of a substrate. At least one partial region of the HRI layer is then physically removed from the substrate again by treatment with an alkaline solution. Additionally specified is a multilayer body that can be obtained by such a process.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: May 15, 2018
    Assignees: LEOHNARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AG
    Inventors: René Staub, Ludwig Brehm, Juri Attner, Michael Hoffmann, Peter Seeholzer