Patents by Inventor Franz Thönnessen

Franz Thönnessen 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).

  • Fibrous-formation aerogel composite material containing at least one thermoplastic fibrous material, process for the production thereof, and use thereof
    Patent number: 6479416
    Abstract: The invention relates to a composite material which has at least one formation comprising fibers and aerogel particles and is characterised in that the fibrous formation contains at least one thermoplastic fibrous material to which the aerogel particles are bound and by which the fibers in the formation are bound together. It also relates to a process for the production of said composite material, and the use thereof.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: November 12, 2002
    Assignee: Cabot Corporation
    Inventors: Dierk Frank, Franz Thönnessen, Andreas Zimmermann