Patents by Inventor Heiner Strahtmann

Heiner Strahtmann 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).

  • Membrane and the use thereof
    Patent number: 7306754
    Abstract: The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that have an as high a separation efficiency as possible while simultaneously having a high membrane efficiency. To this end, the membrane has a gas- or liquid-permeable bicontinuous foam structure with orifices in the interior whose diameters do not exceed 500 nm.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: December 11, 2007
    Assignee: Universitat Twente
    Inventors: Bernd Krause, Christel Mohlenkamp, Hylke Sijbesma, Heiner Strahtmann, Matthias Wessling
  • Membrane and the use thereof
    Publication number: 20040020853
    Abstract: The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that have an as high a separation efficiency as possible while simultaneously having a high membrane efficiency. To this end, the membrane has a gas- or liquid-permeable bicontinuous foam structure with orifices in the interior whose diameters do not exceed 500 nm.
    Type: Application
    Filed: August 18, 2003
    Publication date: February 5, 2004
    Inventors: Bernd Krause, Christel Mohlenkamp, Hylke Sijbesma, Heiner Strahtmann, Matthias Wessling