ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,610, issued on Nov. 18, was assigned to POSCO Co. LTD (Pohang-si, South Korea).
"Steel sheet for enamel and method of manufacturing the same" was invented by Jai-Ik Kim (Pohang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary embodiment of the present invention provides an enamel steel sheet, including: by wt % (% by weight), 0.01 to 0.05% of C, 0.05 to 0.8% of Mn, 0.001 to 0.03% of Si, 0.03 to 0.12% of Al, 0.001 to 0.02% of P, 0.001 to 0.02% of S, 0.004% or less (excluding 0%) of N, 0.001 to 0.003% of B, 0.003% or less (excluding 0%) of O, and the balance of Fe and inevitable impurities. The enamel steel sheet according t...