Patents by Inventor Ute Wolfel

Ute Wolfel 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 LAYER COMPOSITE ASSEMBLIES
    Publication number: 20130276880
    Abstract: Transparent layer composite assemblies are provided that are suitable for use in solar modules and light emitting diodes, as well as methods for producing such layer composite assemblies and to the uses thereof. The layer composite assemblies have substrate materials that make it possible to increase the luminous efficiency of light emitting diodes and the efficiency of solar modules.
    Type: Application
    Filed: October 25, 2011
    Publication date: October 24, 2013
    Applicant: SCHOTT AG
    Inventors: Silke Wolff, Ute Wolfel, Simone Ritter, Peter Brix
  • Barium-free, X-ray-opaque dental glass and dental glass/polymer composite, and the use thereof
    Patent number: 6297181
    Abstract: The invention relates to a barium-free, X-ray-opaque dental glass, to a dental glass/polymer composite comprising the glass, and to the use thereof as dental filling, where the dental glass has the following composition (in % by weight): SiO2 20-45, Al2O3 5-35, B2O3 1-10, Na2O 1-10, K2O 0-8, Cs2O 0-8, sum all alkali metal oxides 1-15, CaO 0-8, SrO 0-27, ZnO 2-20, ZrO2 2-10, P2O5 0-10, La2O3 0-10, F 2-20, the total content of B2O3, ZnO, ZrO2 and La2O3 is >20% by weight, and the refractive index nd of the dental glass is in the range from 1.47 to 1.70.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: October 2, 2001
    Assignee: Schott Glas
    Inventors: Christian Kunert, Susanne Kessler, Hartmut Paschke, Alwin Weitzel, Ute Wolfel