US Patent Issued to FUJIAN GOLDEN DRAGON RARE-EARTH on March 31 for "R-T-B-based permanent magnet material, preparation method therefor and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,329, issued on March 31, was assigned to FUJIAN GOLDEN DRAGON RARE-EARTH Co. Ltd. (Fujian, China).

"R-T-B-based permanent magnet material, preparation method therefor and use thereof" was invented by Qin Lan (Fujian, China) and Jiaying Huang (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an R-T-B-based permanent magnet material, a preparation method therefor and the use thereof. The R-T-B-based permanent magnet material comprises R, B, M, Fe, Co, X and inevitable impurities, wherein: (1) R is a rare earth element, and the R includes at least Nd and RH, M being one or more of Ti, Zr and Nb, and X including Cu, "Al and/or...