Nonprecious dental casting alloy

Details Nonprecious dental casting alloy Nonprecious dental casting alloy

2007-01-23

2007-01-23

King, Roy (Department: 1742)

Alloys or metallic compositions

Cobalt base

Chromium containing

Reexamination Certificate

active

10606937

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:26–35wt %Cr2–6wt %Mo3–12wt %W0.8–1.5wt %Siup to 0.3wt %Mn0.1–0.35wt %N<0.1wt %Ni0.2–1.5wt %Taand manufacturing impurities of <0.1 wt % in each case,remainder cobalt,the content of tungsten being always greater than the content of molybdenum.

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