Patents by Inventor Peter Szigeti

Peter Szigeti 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).

  • Transparent plastic pane containing a copolymer of methylmethacrylate and polyfunctional acrylates
    Patent number: 5700894
    Abstract: A transparent plastic pane for an aircraft canopy consisting essentially of a copolymer of methylmethacrylate and polyfunctional acrylates, wherein the content of methylmethacrylate is greater than about 95 wt. % and the content of polyfunctional acrylates is 0.5 to 5% of the copolymer, and which is obtained by cast polymerization, whereby the temperature for final polymerization is maintained at 110.degree. C. to 130.degree. C. for at least 5 hours.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: December 23, 1997
    Assignee: Roehm GmbH Chemische Fabrik
    Inventors: Manfred Krieg, Christa Weber, Peter Szigeti