ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,952, issued on Sept. 16, was assigned to SOUTHERN TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY (Tainan, Taiwan).

"Carbon nanodot-polyacrylic acid composite hydrogel, and method for preparing and formulation for forming the same" was invented by Wei-Yu Chen (Tainan, Taiwan), Cheng-Ho Chen (Tainan, Taiwan), En-Yu Zhou (Tainan, Taiwan), Hui-Shan Chang (Tainan, Taiwan), Chao-Wei Huang (Tainan, Taiwan), Han-Yi Chou (Tainan, Taiwan), Yueh Yang (Tainan, Taiwan) and Guan-Zhu Zhu (Tainan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a carbon nanodot-polyacrylic acid composite hydrogel including a polyacrylic acid-based gel matrix...