黄色视频 Vice-Principal ResearchQueen鈥檚 Partnerships and Innovation is pleased to report the issuance of U.S. Patent No. 12,286,558 "UV-Curable Anti-Smudge and Anti-Graffiti Compositions" on April 29, 2025 to Guojun Liu, Heng Hu, Chao Zheng, and Kaka Zhang. The patent relates to a UV-curable durable coating with a composition that is anti-smudge and transparent.