Patents Examined by Tomothy M Speer
  • Patent number: 8029923
    Abstract: The invention relates to a vapour-deposition material for the production of optical layers of high refractive index which comprises titanium oxide and gadolinium oxide and/or dysprosium oxide, to a process for the preparation thereof, and to the use thereof.
    Type: Grant
    Filed: January 23, 2004
    Date of Patent: October 4, 2011
    Assignee: Merck Patent GmbH
    Inventors: Martin Friz, Reiner Dombrowski, Beate Dombrowski, legal representative, Uwe Anthes