发明公开
- 专利标题： GOLD ALLOY
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申请号： US18163991申请日： 2023-02-03
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公开(公告)号： US20230295774A1公开(公告)日： 2023-09-21
- 发明人: Jonas VANNOD , Vincent FAYS , Christian CHARBON
- 申请人： Nivarox-FAR S.A.
- 申请人地址： CH Le Locle
- 专利权人： Nivarox-FAR S.A.
- 当前专利权人： Nivarox-FAR S.A.
- 当前专利权人地址： CH Le Locle
- 优先权： EP 163092.4 2022.03.18
- 主分类号： C22C5/02
- IPC分类号： C22C5/02 ; A44C25/00
摘要：
A gold alloy including, by weight, between 73% and 77% gold, between 20% and 24.5% silver, palladium and/or platinum with a total percentage for these two elements between 0.5% and 5%. With the addition of palladium and/or platinum, this alloy has an enhanced tarnishing resistance while having a green tint.
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