US Patent Issued to SK microworks on July 8 for "Method for preparing polyvinyl butyral resin composition, and glass-adhesive film comprising same" (South Korean Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,710, issued on July 8, was assigned to SK microworks Co. Ltd. (Suwon-si, South Korea).

"Method for preparing polyvinyl butyral resin composition, and glass-adhesive film comprising same" was invented by Hyejin Kim (Suwon-si, South Korea), Jooyoung Jung (Pyeongtaek-si, South Korea), Jiyeon Ryu (Suwon-si, South Korea) and Jewon Yeon (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The method of producing a polyvinyl butyral resin of the present disclosure enable manufacture of a film of which yellow index is low and durability is enhanced, when a film for lamination is manufactured, by advancing acetalization reaction of a polyviny...