Patent · US Active

Magnesium-zinc-calcium alloy and method for producing implants containing the same

US10344365B2 · kind B2 · utility

3Cited by

8References

24Claims

0Family size

Assignee

BIOTRONIK AG · CH

Inventors

Heinz Mueller · Erlangen, DE
Peter Uggowitzer · Ottenbach, CH
Joerg Loeffler · Greifensee, CH

Key dates

Filing date	Jun 25, 2013
Grant date	Jul 9, 2019
Priority date	—
Expiry date	Apr 12, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC22C23/04
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A magnesium alloy includes <3% by weight of Zn, ≤0.6% by weight of Ca, with the rest being formed by magnesium containing impurities, which favor electrochemical potential differences and/or promote the formation of intermetallic phases, in a total amount of no more than 0.005% by weight of Fe, Si, Mn, Co, Ni, Cu, Al, Zr and P, wherein the alloy contains elements selected from the group of rare earths with the atomic number 21, 39, 57 to 71 and 89 to 103 in a total amount of no more than 0.002% by weight.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.