Fe-Cr-Al type implant alloy composite for medical treatment
US4668585A · kind A · utility
3Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Jun 5, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/28
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An Fe-Cr-Al type implant alloy for medical treatment wherein the alloy consists essentially of, by weight, 20-32 % chromium, 0.5-5.0% aluminum, 0.5-4.0% molybdenum, 0.05-0.5% M (wherein M represents at least one kind selected from zirconium and hafnium), and the remainder being substantially iron, wherein the alloy includes an oxide film on the surface, the film being composed substantially of .alpha.-Al.sub.2 O.sub.3, and a method of making the alloy implant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.