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 代理人
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