ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,764, issued on Oct. 14, was assigned to FLEXOLYTE (Ansan-si, South Korea).

"Complex fiber, solid state electrolyte comprising same, and metal-air battery comprising same" was invented by Jung-Ho Lee (Ansan-si, South Korea), Sambhaji Shivaji Shinde (Ansan-si, South Korea) and Dong-Hyung Kim (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A solid state electrolyte is provided. The solid state electrolyte may include a base complex fiber having bacterial cellulose and chitosan bound to the bacterial cellulose."

The patent was filed on Feb. 22, 2021, under Application No. 17/418,304.

*For further information, including images, ch...