Gold-colored, acid and corrosion resistant alloy
US4350527A · kind A · utility
4Cited by
2References
22Claims
0Family size
Inventor
Key dates
| Filing date | Oct 13, 1981 |
| Grant date | Sep 21, 1982 |
| Priority date | — |
| Expiry date | Oct 13, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C5/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A gold-colored, acid and corrosion resistant alloy is disclosed, usable for jewelry, dental purposes and the like. The alloy consists essentially of 15 to 20 weight percent of indium, 7 to 20 weight percent of copper, 5 to 15 weight percent of palladium, and from 0 to 10 weight percent of gold, with the balance consisting essentially of silver and optionally minor amounts of ingredients such as oxide scavengers and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.