Low silver dental amalgam alloy composition
US4370165A · kind A · utility
1Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 21, 1981 |
| Grant date | Jan 25, 1983 |
| Priority date | — |
| Expiry date | May 21, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C5/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition adapted for amalgamation with mercury to form a dental amalgam, which consists essentially of a uniform mixture of: PA0 (a) A first alloy composed of at least 65 weight percent silver, up to 29 weight percent tin, up to 6 weight percent copper, and up to 2 weight percent zinc; and PA0 (b) A second alloy composed of from 46 to 51 weight percent silver, from 4 to 6 weight percent tin, and from 45 to 48 weight percent copper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.