Patents by Inventor Christian Hoen

Christian Hoen 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).

  • Translucent and radio-opaque glass ceramics
    Publication number: 20050054509
    Abstract: Radio-opaque glass ceramics are described which have high chemical durability and adjustable translucency, brightness and coefficient of thermal expansion.
    Type: Application
    Filed: September 1, 2004
    Publication date: March 10, 2005
    Inventors: Christian Hoen, Elke Apel, Wolfram Holand, Volker Rheinberger