US Patent Issued to JFE STEEL on Sept. 1 for "Method of producing grain-oriented electrical steel sheet and annealing separator used for same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,293, issued on Sept. 1, was assigned to JFE STEEL Corp. (Tokyo).

"Method of producing grain-oriented electrical steel sheet and annealing separator used for same" was invented by Makoto Watanabe (Tokyo), Takuya Yamada (Tokyo) and Takashi Terashima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a method of producing a grain-oriented electrical steel sheet whereby greater purification of an inhibitor-strengthening element can be promoted by improvement of an annealing separator and, as a result, iron loss can be effectively improved. The annealing separator contains 1 to 10 parts by mass of a composite oxide, relative to 100 parts by...