Researchers Submit Patent Application, "Gas And Water Vapor Barrier Laminate", for Approval (USPTO 20230373200).

A patent application has been submitted for a gas and water vapor barrier laminate by inventors ONISHI, Tokiharu and YAMASAKI, Naoaki. The patent's assignee is Asahi Kasei Kabushiki Kaisha. The inventors aim to provide a laminate that has excellent heat sealability, yellowing resistance, and recyclability, in addition to having barrier properties against gas and water vapor. The laminate consists of a paper support and a halogenated vinyl polymer layer with a specific coverage efficiency. The patent application also includes claims for packaging materials or containers and a production method for the laminate. [Extracted from the article]