ALEXANDRIA, Va., July 16 -- United States Patent no. 12,672,477, issued on June 30, was assigned to NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES (Ningbo, China) and QIANWAN Institute of CNITECH (Ningbo, China).

"Universal treatment solution, treatment method and use of perovskite layer" was invented by Shuo Ding (Ningbo, China) and Chaoyu Xiang (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A universal treatment solution, a treatment method and use of a perovskite layer are provided. The universal treatment solution includes a polar solvent and a non-polar solvent; the polar solvent includes amino and/or sulfonate. The treatment method includes: providi...