Patents by Inventor Gabriele B. Wittmann

Gabriele B. Wittmann 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).

  • Method for producing a reflective membrane and the membrane produced therewith
    Patent number: 8119246
    Abstract: Method for producing a reflective, waterproof, water-vapor permeable membrane, comprising the following steps, Provision of a waterproof, water-vapor permeable membrane, Provision of a carrier foil, Application of the membrane onto the carrier foil, Application of a metal surface onto the membrane's free surface via a vacuum sputtering process, Application of a waterproof, water-vapor permeable cover layer, Removal of the carrier foil. Reflective, waterproof, water-vapor permeable membrane with a metal coating, which is provided with a continuous cover layer, characterized in that at least 80% of the surface of the active metal coating is retained on the membrane after 3 washings according to DIN EN ISO 6330:2000.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: February 21, 2012
    Assignee: Sympatex Technologies GmbH
    Inventors: Gabriele B. Wittmann, Henricus J. M. Van De Ven
  • Method for Producing a Reflective Membrane and the Membrane Produced Therewith
    Publication number: 20090226731
    Abstract: Method for producing a reflective, waterproof, water-vapor permeable membrane, comprising the following steps, Provision of a waterproof, water-vapor permeable membrane, Provision of a carrier foil, Application of the membrane onto the carrier foil, Application of a metal surface onto the membrane's free surface via a vacuum sputtering process, Application of a waterproof, water-vapor permeable cover layer, Removal of the carrier foil. Reflective, waterproof, water-vapor permeable membrane with a metal coating, which is provided with a continuous cover layer, characterized in that at least 80% of the surface of the active metal coating is retained on the membrane after 3 washings according to DIN EN ISO 6330:2000.
    Type: Application
    Filed: September 26, 2006
    Publication date: September 10, 2009
    Applicant: SYMPATEX TECHNOLOGIES GMBH
    Inventors: Gabriele B. Wittmann, Henricus J.M. Van De Ven