US Patent Issued to Kunming University of Science and Technology on March 18 for "Method for froth-controlled flotation of argillaceous lepidolite ore" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,713, issued on March 18, was assigned to Kunming University of Science and Technology (Kunming, China).

"Method for froth-controlled flotation of argillaceous lepidolite ore" was invented by Qicheng Feng (Kunming, China), Guang Han (Kunming, China), Qian Zhang (Kunming, China), Shuming Wen (Kunming, China), Dianwen Liu (Kunming, China) and Wenjuan Zhao (Kunming, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for froth-controlled flotation of argillaceous lepidolite ore, including: crushing and grinding an ore, adding water to obtain pulp; adding agents thereto, and conducting roughing to obtain roughing concentrate and roughing taili...