发明名称 |
Multiple layered article having a bright copper layer |
摘要 |
A unique multi-layered coating process that includes coating the base metal with a layer of strike copper, a subsequent layer of bright copper, a barrier layer of palladium or related element, and a thin surface layer of a precious metal such as gold. The bright copper layer is produced by a special acid copper bath.
|
申请公布号 |
US5792565(A) |
申请公布日期 |
1998.08.11 |
申请号 |
US19960733865 |
申请日期 |
1996.10.18 |
申请人 |
AVON PRODUCTS, INC. |
发明人 |
CUPOLO, DENNIS A.;TEICHMANN, ROBERT J.;CARDONA-GRAJALES, RAMONA |
分类号 |
C25D3/38;C25D5/10;(IPC1-7):B32B15/20 |
主分类号 |
C25D3/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|