ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,869, issued on Sept. 22, was assigned to NIPPON LIGHT METAL COMPANY LTD. (Tokyo).
"Sodium borohydride production method" was invented by Kaoru Sugita (Shizuoka, Japan), Yuji Oota (Shizuoka, Japan), Yo Rene Abe (Shizuoka, Japan), Takuma Hachisu (Tokyo) and Takehiro Matsunaga (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a hermetic vessel filled with hydrogen gas, a sodium borate and aluminum powder are reacted at not less than 400deg C. and not more than 560deg C. while performing stirring to produce sodium borohydride with the molar ratio of sodium contained in the sodium borate being larger than 0.5 relative to boron contained ...