Patent ID: 8524150

Claim:
Palladium- and copper-free high-gold-content dental alloy, the dental alloy consisting essentially of, by weight: 75 to 95% Au, 5 to 20% Pt, 0.5 to 3.5% of at least one element selected from the group consisting of Zn, Sn, and In, 0.1 to 0.8% of an element of a group I element selected from the group consisting of Nb, Ti and V, and a single particle refiner of a group II element selected from the group consisting of Ir and Rh, wherein the weight proportion of the group I element is 2 to 6 times greater than the group II element, wherein when the group I element is Nb, the group II element is Ir, and when the group I element is Ti or V, the group II element is Ir or Rh, and wherein said Au, said Pt, said at least one element, said group I element and said group II element make up 100% by weight of said alloy.