| 发明名称 | Silver alloy | ||
| 摘要 | A silver alloy with exceptional resistance to both tarnishing and firestain includes at least 92.50% silver, from 0.70 to 1.65% germanium, from 1.30 to 1.80% indium, from 0.000 to 0.015% boron, not more than 1.0% palladium and not more than 0.20% copper. | ||
| 申请公布号 | US9200350(B2) | 申请公布日期 | 2015.12.01 |
| 申请号 | US201214352386 | 申请日期 | 2012.10.16 |
| 申请人 | JOHNSON MATTHEY PUBLIC LIMITED COMPANY | 发明人 | Copponex Thierry;Haung Kang Ping |
| 分类号 | C22C5/06;C22C1/02 | 主分类号 | C22C5/06 |
| 代理机构 | Young & Thompson | 代理人 | Young & Thompson |
| 主权项 | 1. A silver alloy comprising at least 95 wt % silver, from 0.70 to 1.65 wt % germanium, from 1.30 to 1.80 wt % indium, from 0.000 to 0.015 wt % boron, from 0 to 1.0 wt % palladium, and from 0 to 0.02 wt % copper. | ||
| 地址 | London GB | ||