US Patent Issued to JFE STEEL on Sept. 8 for "Powder for annealing separator and method of producing same, and method of producing grain-oriented electrical steel sheet" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,410, issued on Sept. 8, was assigned to JFE STEEL Corp. (Tokyo).

"Powder for annealing separator and method of producing same, and method of producing grain-oriented electrical steel sheet" was invented by Takashi Terashima (Tokyo) and Karin Shiroyanagi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder for annealing separator that is used for a grain-oriented electrical steel sheet and enables obtainment of a grain-oriented electrical steel sheet having excellent magnetic properties as a result of favorable purification of impurities in steel. The powder for annealing separator contains magnesium oxide as a main component, and has a nit...