Patents by Inventor Gerbard Lautenschlager

Gerbard Lautenschlager 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).

  • Patent number: 8053381
    Abstract: An optically detectable, floatable arsenic- and antimony-free, glazable lithium-aluminosilicate glass that can be prestressed and the glass ceramic converted therefrom are described. The glass or the glass ceramic has a composition (in % by weight based on oxide) of essentially SiO2 55-69, Al2O3 19-25, Li2O 3.2-5, Na2O 0-1.5, K2O 0-1.5, MgO 0-2.2, CaO 0-2.0, SrO 0-2.0, BaO 0-2.5, ZnO 0-<1.5, TiO2 1-3, ZrO2 1-2.5, SnO2 0.1-<1, ?TiO2+ZrO2+SnO2 2.5-5, P2O5 0-3, Nd2O3 0.01-0.6, CoO 0-0.005, F 0-1, B2O3 0-2.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: November 8, 2011
    Assignee: Schott AG
    Inventors: Friedrich Siebers, Hans-Werner Beudt, Bernd Rüdinger, Gerbard Lautenschläger, Klaus Schneider, Michael Jacquorie, Wolfgang Schmidbauer
  • Publication number: 20090286667
    Abstract: An optically detectable, floatable arsenic- and antimony-free, glazable lithium-aluminosilicate glass that can be prestressed and the glass ceramic converted therefrom are described. The glass or the glass ceramic has a composition (in % by weight based on oxide) of essentially SiO2 55-69, Al2O3 19-25, Li2O 3.2-5, Na2O 0-1.5, K2O 0-1.5, MgO 0-2.2, CaO 0-2.0, SrO 0-2.0, BaO 0-2.5, ZnO 0-<1.5, TiO2 1-3, ZrO2 1-2.5, 0.1-<1, ?TiO2+ZrO2+SnO2 2.5-5, P2O5 O-3, Nd2O3 0.01-0.6, CoO 0-0.005, F 0-1, B2O3 0-2.
    Type: Application
    Filed: February 26, 2009
    Publication date: November 19, 2009
    Inventors: Friedrich SIEBERS, Hans-Werner Beudt, Bernd Rudinger, Gerbard Lautenschlager, Klaus Schneider, Michael Jacquorie, Wolfgang Schmidbauer