ALLOYS AND SEMI-FINISHED PRODUCTS AND PRODUCTS CONTAINING SAME
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United States of America Patent
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Issued Date -
Aug 22, 2024
app pub date -
Apr 17, 2024
filing date -
May 27, 2020
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Abstract
Described includes an alloy consisting of at least 33 wt. % to at most 75.5 wt. % gold, at least 1.5 wt. % to at most 45 wt. % silver, at least 8 wt. % to at most 45 wt. % copper, the remainder being zinc. The invention also relates to a semi-finished product made from such an alloy, a piece of jewelry having at least one such semi-finished product, and a method for producing such a semi-finished product.
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