US Patent Issued to WUHAN UNIVERSITY OF TECHNOLOGY on Nov. 18 for "Sodium petroleum sulfonate collector for fluorite flotation and its preparation and application method" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,512, issued on Nov. 18, was assigned to WUHAN UNIVERSITY OF TECHNOLOGY (Wuhan, China).

"Sodium petroleum sulfonate collector for fluorite flotation and its preparation and application method" was invented by Zijie Ren (Wuhan, China), Zhengzheng Guo (Wuhan, China), Huimin Gao (Wuhan, China), Yuhao He (Wuhan, China), Yang Liu (Wuhan, China) and Xin Fang (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a sodium petroleum sulfonate collector for fluorite flotation, comprising sodium petroleum sulfonate and non-polar oil, wherein the molar ratio of the non-polar oil to the sodium petroleum sulfonate is 3.33-5.67, the sodium petro...