Gold alloys
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United States of America Patent
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Aug 30, 2016
Grant Date -
Dec 23, 2010
app pub date -
May 12, 2010
filing date -
May 12, 2009
priority date (Note) -
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Abstract
A gold alloy having, expressed by weight, about 24.5 to 25.5% Au, about 19.0 to 23.0% Ag, about 43.0 to 47.0% Cu, about 6.0 to 10.0% Zn, about 0.05 to 0.30% Si, and about 0.005 to 0.03% Ir. Alternatively, a alloy having, expressed by weight, about 16-17% Au, about 19-23% Ag, about 50-55% Cu, about 6-10% Zn, about 0.05-0.30% Si, and about 0.005-0.03% Ir.
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