发明名称 |
18K Ni-FREE AGE HARDENABLE WHITE GOLD ALLOY |
摘要 |
The present invention is directed to a reduced-cost 18K white gold alloy that is Ni-free, and otherwise contains a low w % of precious metals, including about 7 w % palladium, exhibits a color which is considered white, and shows age hardening characteristics commensurate with nickel containing 18 Karat gold alloys. |
申请公布号 |
US2014328718(A1) |
申请公布日期 |
2014.11.06 |
申请号 |
US201414270887 |
申请日期 |
2014.05.06 |
申请人 |
RICHLINE GROUP, INC. |
发明人 |
RAYKHTSAUM Grigory |
分类号 |
C22C5/02 |
主分类号 |
C22C5/02 |
代理机构 |
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代理人 |
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主权项 |
1. A gold-based nickel-free alloy composition comprising:
about 75% gold, about 6-7% palladium, about 10% copper, and 2-5.5% zinc; wherein said composition exhibits a color which is considered white, and shows age hardening characteristics commensurate with nickel containing 18 Karat gold alloys. |
地址 |
New York NY US |