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Gas Permeable Film Pouch Exterior Material Containing Same And Secondary Battery
Abstract: The gas permeable film of the present invention comprises a first polymer layer a second polymer layer and a third polymer layer disposed between the first polymer layer and the second polymer layer wherein the third polymer layer contains polypropylene and polytetrafluoroethylene at a weight ratio of 9:1 to 1:9. The gas permeable film exhibits excellent gas permeability and when applied to secondary batteries can effectively vent gases generated inside the secondary batteries.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
08 May 2025
Publication Number
22/2025
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
LG ENERGY SOLUTION LTD.
Tower 1 108 Yeoui daero
Yeongdeungpo gu
Seoul 07335
Inventors
1. KIM Sang Hun
LG Energy Solution Research Park 188 Munji ro
Yuseong gu
Daejeon 34122
2. LIM Hun Hee
LG Energy Solution Research Park 188 Munji ro
Yuseong gu
Daejeon 34122
3. YU Hyung Kyun
LG Energy Solution Research Park 188 Munji ro
Yuseong gu
Daejeon 34122
4. HWANG Soo Ji
LG Energy Solution Research Park 188 Munji ro
Yuseong gu
Daejeon 34122
5. KANG Min Hyeong
LG Energy Solution Research Park 188 Munji ro
Yuseong gu
Daejeon 34122
6. SONG Dae Woong
LG Energy Solution Research Park 188 Munji ro
Yuseong gu
Daejeon 34122
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517044644-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [08-05-2025(online)].pdf | 2025-05-08 |
| 2 | 202517044644-STATEMENT OF UNDERTAKING (FORM 3) [08-05-2025(online)].pdf | 2025-05-08 |
| 3 | 202517044644-REQUEST FOR EXAMINATION (FORM-18) [08-05-2025(online)].pdf | 2025-05-08 |
| 4 | 202517044644-PRIORITY DOCUMENTS [08-05-2025(online)].pdf | 2025-05-08 |
| 5 | 202517044644-POWER OF AUTHORITY [08-05-2025(online)].pdf | 2025-05-08 |
| 6 | 202517044644-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [08-05-2025(online)].pdf | 2025-05-08 |
| 7 | 202517044644-FORM 18 [08-05-2025(online)].pdf | 2025-05-08 |
| 8 | 202517044644-FORM 1 [08-05-2025(online)].pdf | 2025-05-08 |
| 9 | 202517044644-DRAWINGS [08-05-2025(online)].pdf | 2025-05-08 |
| 10 | 202517044644-DECLARATION OF INVENTORSHIP (FORM 5) [08-05-2025(online)].pdf | 2025-05-08 |
| 11 | 202517044644-COMPLETE SPECIFICATION [08-05-2025(online)].pdf | 2025-05-08 |
| 12 | 202517044644-Proof of Right [23-05-2025(online)].pdf | 2025-05-23 |
| 13 | 202517044644-MARKED COPIES OF AMENDEMENTS [23-05-2025(online)].pdf | 2025-05-23 |
| 14 | 202517044644-FORM 13 [23-05-2025(online)].pdf | 2025-05-23 |
| 15 | 202517044644-AMMENDED DOCUMENTS [23-05-2025(online)].pdf | 2025-05-23 |
| 16 | 202517044644-FORM 3 [07-11-2025(online)].pdf | 2025-11-07 |