ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,913, issued on Nov. 11, was assigned to Zhejiang Dapu Biotechnology Co. Ltd. (Jiaxing, China).

"Droplet sorting chip" was invented by Hongbo Zhou (Zhejiang, China), Ruyuan Song (Zhejiang, China) and Xiaonan Xu (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the field of droplet microfluidics, particularly relates to a droplet sorting chip. The droplet sorting chip disclosed herein is provided with a cavity area, which can accommodate impurities such as fibers entering the droplet sorting chip, can effectively prevent clogging and collision and fusion of droplets caused by impurities, and ensure smooth...