ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,639, issued on March 17, was assigned to MITSUI KINZOKU COMPANY Ltd..
"Zinc foil and method for producing the same" was invented by Takuya Kuruma (Takehara, Japan), Hiroki Sawamoto (Yamaguchi, Japan) and Hidetoshi Inoue (Takehara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a zinc foil including a core portion containing zinc as a base metal and containing substantially no bismuth and a cladding portion located on at least one side of the core portion and containing zinc as a base metal and containing bismuth, wherein the core portion and the cladding portion are inseparably bonded to each other. It is preferable that the avera...