ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,411, issued on March 17, was assigned to TOYO SEIKAN GROUP HOLDINGS LTD. (Tokyo).
"Gas-barrier coating composition and gas-barrier laminate" was invented by Midori Itou (Yokohama, Japan), Tomohiro Miyai (Yokohama, Japan) and Kazuhiro Tsuruta (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a gas-barrier coating composition containing a metal oxide, a phosphoric acid compound, and an amine compound. The present invention provides a gas-barrier film that features excellent oxygen-barrier property, excellent water vapor-barrier property as well as excellent transparency, and a gas-barrier laminate that i...