US Patent Issued to TOPPAN PRINTING, ARAKAWA CHEMICAL INDUSTRIES on Sept. 9 for "Barrier film, wavelength conversion sheet, and wavelength conversion sheet production method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,291, issued on Sept. 9, was assigned to TOPPAN PRINTING Co. Ltd. (Tokyo) and ARAKAWA CHEMICAL INDUSTRIES LTD. (Osaka, Japan).

"Barrier film, wavelength conversion sheet, and wavelength conversion sheet production method" was invented by Koji Murata (Tokyo), Masayoshi Suzuta (Tokyo), Akihiro Yamazaki (Osaka, Japan) and Toru Higashimoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a barrier film including a gas barrier film and a primer layer disposed on one outermost surface of the barrier film and made of a cured product formed by using a composition for forming a primer layer, the composition containing a resin having a...