Hard copper free dental gold alloys
US4007040A · kind A · utility
11Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1976 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Jan 27, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C5/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hard, copper free gold alloy for dental purposes is prepared containing 61 to 85 weight % gold, 8 to 15 weight % platinum, 0 to 4 weight % palladium, 5 to 15 weight % silver and 2 to 5 weight % zinc. 0.05 to 0.1 weight % of the platinum can be replaced by iridium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.