Patents Assigned to J.P. Winkelstroeter KG
  • Patent number: 7166256
    Abstract: In order to provide an alloy which, on the one hand, can be used for the synthesis of crown and bridge frameworks that may be provided with a tooth-colored veneer of ceramic material, and, on the other hand, enable the synthesis of model casting bases, a nonprecious metal dental casting alloy is provided which substantially consists of: 26–35 wt % Cr 2–6 wt % Mo 3–12 wt % W 0.8–1.5 wt % Si up to 0.3 wt % Mn 0.1–0.35 wt % N <0.1 wt % Ni 0.2–1.5 wt % Ta and manufacturing impurities of <0.1 wt % in each case, remainder cobalt, the content of tungsten being always greater than the content of molybdenum.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: January 23, 2007
    Assignee: J.P. Winkelstroeter KG
    Inventor: Jürgen Lindigkeit