Patent · US Active

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

US11499214B2 · kind B2 · utility

0Cited by

10References

10Claims

0Family size

Assignee

BIOTRONIK AG · CH

Inventors

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

Key dates

Filing date	May 24, 2019
Grant date	Nov 15, 2022
Priority date	—
Expiry date	Feb 23, 2041

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.