Gold-colored alloy
US5330713A · kind A · utility
0Cited by
2References
11Claims
0Family size
Inventor
Key dates
| Filing date | Dec 9, 1991 |
| Grant date | Jul 19, 1994 |
| Priority date | — |
| Expiry date | Dec 9, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C30/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In accordance with this invention, a gold colored tarnish and corrosive resistant alloy is provided which includes the following: 6 to 20 percent by weight gold, 5 to 10 percent by weight of indium, 5 to 12 percent by weight of palladium, 23 to 40 percent copper, 5 to 10 percent by weight zinc, and 23 to 40 percent by weight silver. It has been found that the aforesaid alloys are sufficiently malleable to be rolled or stamped without fracturing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.