ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,819, issued on Dec. 30, was assigned to SOOCHOW UNIVERSITY (Suzhou, China).

"Micro-nano structure-based super-hydrophobic fabric and preparation method therefor" was invented by Zhanxiong Li (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A micro-nano structure-based super-hydrophobic fabric and a preparation method therefor are disclosed. A brand-new method of combining carbene polymerization covalent grafting with solid surface self-assembly is used for the first time to prepare a modified fabric having super-hydrophobic and self-cleaning functions, by taking an aliphatic diazo compound and an aromatic diazo compound as monomers for ...