US Patent Issued to TOPPAN on May 12 for "Gas barrier laminate, packaging member, packaging bag, and tubular container" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,438, issued on May 12, was assigned to TOPPAN INC. (Tokyo).

"Gas barrier laminate, packaging member, packaging bag, and tubular container" was invented by Ayumi Tanaka (Tokyo), Mikinori Yamada (Tokyo), Takeshi Nishikawa (Tokyo) and Miki Fukugami (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas barrier laminate including: a substrate layer which contains a polyolefin resin; a metal oxide-containing layer which contains a metal oxide; and an overcoat layer which contains a polyvinyl alcohol resin, the overcoat layer having a surface, the overcoat layer having a surface which has a softening temperature of 100 to 170deg C., as measured by loc...