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:
Jan. 27, 2026
Filed:
Sep. 28, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Soo Ji Hwang, Daejeon, KR;
Sang Hun Kim, Daejeon, KR;
Hyung Kyun Yu, Daejeon, KR;
Min Hyeong Kang, Daejeon, KR;
Dae Woong Song, Daejeon, KR;
Hun Hee Lim, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A pouch film stack according to the present invention includes a base layer, a gas barrier layer, and a sealant layer stacked in that order. The sealant layer includes a first sealant layer located adjacent to the gas barrier layer and a second sealant layer stacked on the first sealant layer. A percentage difference in yield strength between the first and second sealant layers (ΔY) is 66% to 120%, where ΔY is defined as: {(Yield strength of second sealant layer−Yield strength of first sealant layer)/Yield strength of first sealant layer}×
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile