Patents by Inventor Gerhard Bürger

Gerhard Bürger 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).

  • Highly temperature-resistant and chemically resistant glass and glass fiber having improved UV light transmission and the use thereof
    Patent number: 8497219
    Abstract: A highly temperature-resistant and chemically resistant glass and a glass fibre which have an improved UV light transmission, and the use thereof in UV-curable composites are disclosed. The glass/glass fibre according to the invention has a transition temperature >920° C., a light transmission of 80-92%, and consists of 58-62% SiO2, 11.0-15.5% Al2O3, 20-25% CaO, 0.1-0.8% MgO, 0.04-1.2% Na2O, 0.1-1.2 K2O, 0.2-1.8% TiO2, 0.05-0.5% Fe2O3 and 0.002-0.085 Cr2O3.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: July 30, 2013
    Inventor: Gerhard Bürger
  • HIGHLY TEMPERATURE-RESISTANT AND CHEMICALLY RESISTANT GLASS AND GLASS FIBER HAVING IMPROVED UV LIGHT TRANSMISSION AND THE USE THEREOF
    Publication number: 20110136955
    Abstract: The invention relates to a highly temperature-resistant and chemically resistant glass and a glass fibre which have an improved UV light transmission, and the use thereof in UV-curable composites. The glass/glass fibre according to the invention has a transition temperature>920° C., a light transmission of 80-92%, and consists of 58-62% SiO2, 11.0-15.5% Al2O3, 20-25% CaO, 0.1-0.8% MgO. 0.04-1.2% Na2O, 0.1-1.2 K2O, 0.2-1.8% TiO2, 0.05-0.5% Fe2O3 and 0.002-0.085 Cr2O3.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 9, 2011
    Inventor: Gerhard Bürger