US Patent Issued to FUJIAN GOLDEN DRAGON RARE-EARTH on Jan. 20 for "R-T-B-based permanent magnet material, preparation method therefor and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,174, issued on Jan. 20, 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), Jiaying Huang (Fujian, China) and Dakun Chen (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 I comprises the following components: 29.0-32.5% of R including RH, 0.30 to 0.50 wt. % of Cu, 0.05 to 0.20 wt. % of Ti, 0.85 to 1.05 wt. % of B, 0.1 to 0.3 wt. % of C, 66 to 68 ...