Patents by Inventor Ludwig Linden

Ludwig Linden 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: 7135219
    Abstract: In a composite pane having a film laminate which adhesively connects two rigid panes to one another to form a pane assembly and comprises at least one colored adhesive film and at least one uncolored adhesive film which can be fused on during production of the pane assembly, according to the invention, at least one intermediate layer is provided between the two differently colored fused-on adhesive films and results in a uniform flattening of the mutually facing surfaces of the two adhesive films while being fused on. This results in the finished product being homogeneously colored when being looked through.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: November 14, 2006
    Assignee: Saint-Gobain Glass France
    Inventors: Volkmar Offermann, Walter Goerenz, Ludwig Linden, Michael Steffens, Heinz Schilde
  • Patent number: 4556600
    Abstract: A plastic adhesive layer used as an insert layer in laminated glasses and the laminated glasses containing the insert layer, the adhesive layer comprising a polyfunctional polyol component and a polyfunctional isocyanate component, wherein the polyol component is present in considerable excess and the numerical ratio of the isocyanate groups to the hydroxyl groups is between 0.2 and 0.6. The adhesive layer is particularly useful in soundproofing glasses and in safety glasses such as bulletproofing glasses.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: December 3, 1985
    Assignee: Saint Gobain Vitrage
    Inventors: Franz Kraemling, Achim Muller, Ludwig Linden, Helmer Raedisch