US Patent Issued to TIANJIN SANHUAN LUCKY NEW MATERIAL, BEIJING ZHONG KE SAN HUAN HI-TECH on Dec. 16 for "Neodymium-iron-boron sintered magnet and method of anti-corrosion treatment" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,015, issued on Dec. 16, was assigned to TIANJIN SANHUAN LUCKY NEW MATERIAL Co. LTD. (Tianjin, China) and BEIJING ZHONG KE SAN HUAN HI-TECH Co. LTD. (Beijing).

"Neodymium-iron-boron sintered magnet and method of anti-corrosion treatment" was invented by Xiaogang Bai (Tianjin, China), Haihua Yu (Tianjin, China), Guanghui Pan (Tianjin, China) and Xue Han (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anti-corrosion treatment method for preparing sintered NdFeB magnet includes preparing a sintered NdFeB matrix, and applying a heat treatment to the sintered NdFeB matrix in an oxidizing atmosphere containing at least one of alcohol or o...