ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,594, issued on Sept. 1, was assigned to Jiangsu University (Zhenjiang City, China).

"Superhydrophobic blade of Carex tristachya type" was invented by Dan Ni (Zhenjiang City, China), Bo Gao (Zhenjiang City, China), Yuquan Zhang (Zhenjiang City, China), Ning Zhang (Zhenjiang City, China) and Jinyu Yang (Zhenjiang City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A superhydrophobic blade of the Carex tristachya type is provided, including: a hub and blades fixed on the hub. A leaf-vein-like configuration is provided on the surface of the blades. The leaf-vein-like configuration is a grooved structure. The leaf-vein-like configuration divides t...