Patents Examined by Lesze Kiliman
  • Matrix and layer system comprising non-stoichiometric particles
    Patent number: 8067086
    Abstract: Protective layers, according to the prior art, achieve their protective function b depletion of a defined element that forms a protective oxide layer or that is exhausted as a sacrificial material. Once said material is exhausted, the protective function cannot be maintained. The invention is characterized by using particles (1) that contain a sustained-release depot of the exhaustible material. For this purpose, the material is present in a superstoichiometric form.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: November 29, 2011
    Assignee: Siemens Aktiengesellschaft
    Inventors: Werner Stamm, Jan Steinbach