Patents by Inventor Kurt Gundlach

Kurt Gundlach 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).

  • MULTI-METAL LAYER WVTR BARRIER PRODUCTS ON WATER VAPOUR AND OXYGEN PERMEABLE BIO-BASED SUBSTRATES
    Publication number: 20220275582
    Abstract: The invention relates to a metallized multilayer sheet material for packaging having a water vapour transmission rate of below 5 g/m2/day at 38° C. RH:90% comprising: a water vapour permeable sheet substrate, and at least two metallized layers, each covered directly by a solvent based polymeric coating layer, wherein the cumulated metallized layers have an optical density of at least 2.5 and/or a thickness of at least 15 nm.
    Type: Application
    Filed: July 31, 2020
    Publication date: September 1, 2022
    Inventors: Valeria Rasetto, Daniela Mondelli, Roghaiyeh Ebrahimi Kalan, Kurt Gundlach
  • Photographic antistatic element having a backing layer with improved adhesion and antistatic properties
    Patent number: 4940655
    Abstract: A photographic film having an auxiliary backing layer coated over an antistatic layer is described. This auxiliary layer contains an adhesion promoting amount of an aqueous dispersion of a polymerized vinyl compound, e.g. acrylate latex, which is added to the auxiliary layer composition after final adjustment of the pH thereof and just prior to coating. The film is useful in the areas of graphic arts, printing, medical systems and information systems.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: July 10, 1990
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Kurt Gundlach