ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,911, issued on May 19, was assigned to KURIMOTO LTD. (Osaka, Japan).
"Degradable magnesium alloy" was invented by Takahiro Sakai (Osaka, Japan), Akihiko Koshi (Osaka, Japan), Masaaki Yamamoto (Osaka, Japan) and Jinsun Liao (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A degradable structural member made of a magnesium alloy has a sufficient strength and is degradable at a proper timing in an aqueous environment. The magnesium alloy contains not less than 7.0% by mass and not more than 13.0% by mass of Al, not less than 4.5% by mass and not more than 13.0% by mass of Cu, and greater than 0% by mass and less than 0.10% by mass of Mn, wit...