Platinum-palladium alloy
OwnerKenneth D. Fogelinventor
Life of this patent
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Abstract
An alloy for use in jewelry applications is provided that has a composition comprising about 45 to about 55 platinum by weight and about 55 to about 45 percent palladium by weight. The alloy possesses favorable characteristics as compared to pure platinum and pure palladium. Due to these characteristics, the alloy is attractive for use in jewelry applications.
Claims9
A cast article comprising a platinum-palladium alloy consisting essentially of platinum group metals and comprising from about 45 to about 55 percent platinum by weight, from about 45 to 55 by weight palladium, from about 0.25 to about 0.5 percent by weight iridium, and ruthenium optionally present in an amount to form a total content of ruthenium and iridium of 1 percent by weight or less.
Dependencies are inferred from the claim text.