ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,440, issued on Dec. 2, was assigned to Xinmei Fontana Holding (Hong Kong) Ltd. (Hong Kong).
"Surface protective film for optical member" was invented by So Jin Kim (Daejeon, South Korea), Hyun Cheol Kim (Daejeon, South Korea), Jeong Min Choi (Daejeon, South Korea), Hyun Goo Kang (Daejeon, South Korea) and Jae Seung Lim (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a surface protective film which includes an adhesive layer on one surface of a substrate film, wherein the adhesive layer is a cured product of a composition containing: a urethane-based resin having a photoreactive group at the end or s...