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:
Aug. 26, 2025
Filed:
Apr. 11, 2023
Resonac Packaging Corporation, Hikone, JP;
Keitaro Kawakita, Hikone, JP;
Resonac Packaging Corporation, Hikone, JP;
Abstract
A packaging material includes a substrate layer, a metal foil layer laminated on an inner side of the substrate layer, a sealant layer made of a thermoplastic resin and laminated on an inside of the metal foil layer, and a colored adhesive layer provided between the metal foil layer and the substrate layer. The substrate layer is 2.0 to 5.0% in MD and TD hot water shrinkages, 1.5% or less in a difference between the MD and TD hot water shrinkages, 1.5 to 3 GPa both in MD and TD elastic modulus. The colored adhesive layer is made of a colored adhesive composition containing a color pigment and an adhesive. The colored adhesive layer is composed of a colored adhesive composition of 5 to 10 g/mand contains the color pigment of 0.25 to 0.49 g/m.