Low intrinsic value alloys
US4012228A · kind A · utility
7Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1976 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | May 14, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C30/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A low intrinsic value alloy for dental and jewelry use includes the following ranges of constituents in percentages by weight: ______________________________________ Constituents Proportional Range ______________________________________ Gold 0-45% Platinum 0-30% Palladium 0-20% Copper 30-55% Gallium 5-10% Zinc 0-1% Iridium 0-0.01% ______________________________________ WITH THE PROVISO THAT THE TOTAL OF SAID GOLD, PLATINUM AND PALLADIUM IS AT LEAST ABOUT 35%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.