Patents by Inventor Ludger Willeke

Ludger Willeke 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).

  • Publication number: 20030092829
    Abstract: Binders based on a reaction product of
    Type: Application
    Filed: November 25, 2002
    Publication date: May 15, 2003
    Inventors: Wolfgang Klauck, Ernst-Ulrich Rust, Ludger Willeke, Peter Daute, Johann Klein, Alfred Struve
  • Patent number: 5516850
    Abstract: The invention relates to ionic polymers obtained by reaction of carboxyfunctional fat- and oil-based starting materials with salts of polyvalent ions. They may be used as sealants, coatings, adhesives and as additives for plastic formulations and for mortars, gypsums and cements. The starting mixture may be present both in a one-component formulation and in a two-component formulation.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: May 14, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wolfgang Klauck, Ernst-Ulrich Rust, Peter Daute, Johann Klein, Ludger Willeke