Patents by Inventor Andrea Annelene Kiel

Andrea Annelene Kiel 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).

  • Waterproof, Water Vapour-Permeable Multilayer Membrane
    Publication number: 20090098352
    Abstract: Waterproof, water vapour-permeable multilayer membrane having at least one first and one second layer, with all the layers being made of a thermoplastic polymer from the group of polyether esters, the group of polyether amides or the group of polyether urethanes and being joined together, characterised in that contiguously arranged layers are made of thermoplastic polymers from different groups.
    Type: Application
    Filed: December 21, 2006
    Publication date: April 16, 2009
    Applicant: SYMPATEX TECHNOLOGIES GMBH
    Inventors: Gabriele Beate Wittmann, Henricus Joannes Maria Van De Ven, Andrea Annelene Kiel