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:
Jun. 16, 2020
Filed:
Apr. 29, 2016
Toppan Printing Co., Ltd., Tokyo, JP;
Yuki Muroi, Tokyo, JP;
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Abstract
A secondary battery packaging material according to the present invention includes: a substrate layer having a first surface and containing polyester or polyamide; a metal foil layer laminated on the first surface of the substrate layer; an anti-corrosion treatment layer laminated on the metal foil layer; an adhesive layer laminated on the anti-corrosion treatment layer and containing two or more polyolefins; and a heat-sealable resin layer laminated on the adhesive layer. Of the two or more polyolefins, a first polyolefin having a highest melting temperature of the two or more polyolefins with a melting temperature of from not less than a heat-resistance imparting temperature to not more than a critical substrate layer thermal deterioration temperature; and of the two or more of polyolefins, and a second polyolefin having a lowest melting temperature of the two or more polyolefins with a melting temperature of from not less than a critical heat-resistance temperature to not more than a lamination temperature.