ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,351, issued on Sept. 29, was assigned to TOYOBO Co. LTD. (Osaka, Japan).
"Gas-barrier polyamide film" was invented by Takuro Endo (Inuyama, Japan), Takamichi Goto (Inuyama, Japan) and Atsushi Yamazaki (Inuyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a gas-barrier polyamide film that has excellent bending pinhole resistance and friction pinhole resistance at the same time, that has excellent gas barrier properties, and that is suitable for use for packaging materials. In addition, the environmental load is reduced by using a plant-derived resin as a raw material. A gas-harrier polyamide film comprising an inorganic thin fil...