The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2025
Filed:
Jun. 03, 2019
Toppan Printing Co., Ltd., Tokyo, JP;
Arakawa Chemical Industries, Ltd., Osaka, JP;
Koji Murata, Tokyo, JP;
Masayoshi Suzuta, Tokyo, JP;
Akihiro Yamazaki, Osaka, JP;
Toru Higashimoto, Osaka, JP;
TOPPAN PRINTING CO., LTD., Tokyo, JP;
ARAKAWA CHEMICAL INDUSTRIES, LTD., Osaka, JP;
Abstract
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 reactive carbon-carbon double bond, a resin not having a reactive carbon-carbon double bond but having a primary hydroxyl group, and a polyisocyanate compound, the primer layer having a surface wetting index of 40 dyn/cm or more.