Patents by Inventor Georg Hinrichsen

Georg Hinrichsen 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).

  • Production of composites from polymer powder dispersions
    Patent number: 5888580
    Abstract: Continuous process for producing unidirectionally reinforced composite materials by impregnating a continuous reinforcing fiber strand with a thermoplastic matrix in an impregnating bath containing a dispersion of a thermoplastic powder by measuring the width of the strand leaving the impregnating bath and using this measured value for regulating the polymer concentration in the impregnating bath.
    Type: Grant
    Filed: October 23, 1997
    Date of Patent: March 30, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Georg Hinrichsen, Albert Vodermayer, Karl-Heinz Reichert, Lothar Kuhnert, Wolfgang Lindner, Gerd Goldmann
  • Extrusion impregnating device
    Patent number: 5277566
    Abstract: Extrusion impregnating device for continuous production of unidirectionally fibre-reinforced polymer mouldings with fibre contents between 50 and 70 vol-%, which makes it possible to produce linear profiles with circular, oval or rectangular cross-sections while at the same time enabling high-quality impregnation and the attainment of excellent mechanical characteristics.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: January 11, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Augustin, Georg Hinrichsen, Hans-Joachim Traenckner
  • Process for the production of polyamide-6 filament yarns
    Patent number: 4035464
    Abstract: The invention relates to a process for the continuous production of a stretched and interlaced polyamide-6 filament yarn wherein the filaments are interlaced before stretching.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: July 12, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Harry Kubitzek, Georg Hinrichsen, Wolfgang Giessler