ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,325, issued on June 24, was assigned to GUANGZHOU DEAOU GENE TECHNOLOGY Co. LTD (Guangzhou, China).

"Nucleic acid test kit and preparation process thereof" was invented by Xuyun Tang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nucleic acid test kit includes a lower circular fixing cover, a circular kit arranged on the lower circular fixing cover, a sealing film arranged at a top of the circular kit, and a lower lid arranged at a lower end of the sealing film. The bottom of the lower lid is pressed against the lower end of the sealing film, and a bottom of the sealing film is pressed against the top of the circular kit; and fir...