ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,381, issued on Jan. 27, was assigned to Wuhan Institute of Technology (Wuhan, China) and Wuhan Great Materials Co. Ltd. (Wuhan, China).

"Method for making barium titanate nanopowders" was invented by Xingmao Jiang (Wuhan, China), Qilong Wu (Wuhan, China), Long Chen (Wuhan, China), Lang Yang (Wuhan, China), Biyi Chen (Wuhan, China), Shengjun Yi (Wuhan, China) and Yunfeng Liao (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for making barium titanate nanopowders, includes mixing barium salt, titanium source, carbohydrate, and urea in a container according to a first ratio, stirring the barium salt, the titanium source, the carboh...