US Patent Issued to CENTRAL SOUTH UNIVERSITY, SF DIAMOND on June 30 for "Gradient structure cubic boron nitride composite sheet and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,549, issued on June 30, was assigned to CENTRAL SOUTH UNIVERSITY (Changsha, China) and SF DIAMOND Co. LTD. (Zhengzhou, China).

"Gradient structure cubic boron nitride composite sheet and preparation method thereof" was invented by Shaohe Zhang (Changsha, China), Yulu Li (Changsha, China), Dongpeng Zhao (Zhengzhou, China), Xiangwang Kong (Changsha, China), Linglong Rong (Changsha, China), Jincheng Li (Zhengzhou, China), Hua Gao (Zhengzhou, China), Dongyu Wu (Changsha, China), Jingjing Wu (Changsha, China), Leilei Liu (Changsha, China), Pinghe Sun (Changsha, China) and Haijiang Fang (Zhengzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The ...