Yellow metal alloy
US4370164A · kind A · utility
4Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1981 |
| Grant date | Jan 25, 1983 |
| Priority date | — |
| Expiry date | Jan 2, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C5/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An alloy of about 4 to 10% gold, silver, copper, palladium, indium, zinc and boron producing an alloy with a pleasing yellow color. Tarnish resistance, wear resistance and heft are similar to 10 karat gold with a lesser cost due to the low gold content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.