ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,467, issued on Nov. 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Polyurethane-based UV-curable composition, adhesive film comprising the same, adhesive tape and bonded member" was invented by Lijing Zhang (Shanghai), Fan Gao (Shanghai) and Guoliang Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a novel polyurethane-based UV-curable composition, comprising a low-crystallinity polyurethane polymer, a multifunctional thiol compound, a multifunctional epoxy resin compound, a photobase generator, and an optional photosensitizer. Adhesive films, adhesive tapes, and bonded members wit...