ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,699, issued on Sept. 30, was assigned to NIPPON STEEL CHEMICAL & MATERIAL Co. LTD. (Tokyo).
"Austenitic stainless steel foil" was invented by Mitsuharu Yonemura (Tokyo), Keiichi Kimura (Tokyo), Takuya Hiraga (Tokyo) and Yuji Kuma (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An austenitic stainless steel foil according to this disclosure consists of, in mass %, C: 0.150% or less, Si: 1.00% or less, Mn: 2.00% or less, P: 0.045% or less, S: 0.0300% or less, Cr: 16.00 to 20.00%, Ni: 6.00 to 10.50%, N: 0.100% or less, Mo: 0 to 2.50%, Nb: 0 to 0.12%, V: 0 to 1.00%, Ta: 0 to 0.50%, Hf: 0 to 0.10%, Co: 0 to 0.50%, B: 0 to 0.0100%, Ca: 0 to 0.0200%...