Patents by Inventor Paul Kibl

Paul Kibl 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).

  • Zinc-containing optical glass materials
    Publication number: 20010017044
    Abstract: Zinc-containing optical glass materials with a refractive index nd between 1.52 and 1.66, an Abbe number &ngr;d of between 35 54 and a composition (in % by weight based on oxide) of: SiO2 38-58, ZnO 0.3-42, PbO 0-<30, ZnO+PbO 20-55, Li2O 0-<3, Na2O 0-14, K2O 0-12, Li2O+Na2O+K2O≧2, F 0-3, MgO 0-6, CaO 0-<5, SrO 0-6, BaO 0-<0.9, B2O3 0-<1, Al2O3 0-<1.5 and ZrO2 0-<2 and, if appropriate, refining agents in the customary amounts.
    Type: Application
    Filed: December 1, 2000
    Publication date: August 30, 2001
    Inventors: Ina Mitra, Danuta Grabowski, Uwe Kolberg, Paul Kibl