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US 11,111,560 B2Granted
Grey gold alloy
AssigneeSimon G. Jewelry, Inc.
InventorsSimon Ghanimian, Zaven Ghanimian
Life of this patent
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Abstract
Described herein is a metal alloy comprising 50% to 60% by weight gold, 20% to 40% by weight palladium, and 0.1% to 24% by weight silver. Further, the metal alloy disclosed has a grey gold hue. Also described is an item of jewelry of the disclosed metal alloy.
Claims13
An alloy consisting of:
- from 50% to 60% by weight gold, from 20% to 40% by weight palladium, from 0.1% to 11% by weight silver, from greater than 0 to 17% by weight copper, from greater than 0 to 13% by weight zinc, and from greater than 0 to 10% by weight bismuth.
An alloy consisting of:
- from 58.50% to 59.33% by weight gold, from 20.10% to 30.28% by weight palladium, from 20.00% to 23.70% by weight silver, from greater than 0 to 1.0% by weight copper, and from greater than 0 to 1.0% by weight indium.
An alloy consisting of:
- from 58.50% to 59.33% by weight gold, from 20.10% to 30.28% by weight palladium, from 20.00% to 23.70% by weight silver, from greater than 0 to 1.0% by weight copper, and from greater than 0 to 1.0% by weight nickel.
An alloy consisting of:
- from 58.50% to 59.33% by weight gold, from 20.10% to 30.28% by weight palladium, from 20.00% to 23.70% by weight silver, from greater than 0 to 1.0% by weight copper, from greater than 0 to less than 1.4% zinc, from greater than 0 to 0.11% bismuth, from greater than 0 to 1.0% nickel, and from greater than 0 to 1.0% indium.
An alloy consisting of:
- from 58.50% to 59.33% by weight gold, from 20.10% to 30.28% by weight palladium, from 1.03% to 23.70% by weight silver, from greater than 0 to 1.0% by weight copper, from greater than 0 to 2.19% zinc, from greater than 0 to 0.11% bismuth, from greater than 0 to 1.0% nickel, and from greater than 0 to 1.0% indium.
Dependencies are inferred from the claim text.