Assignee
YOULCHON CHEMICAL CO LTD
KR·4 granted patents·18 pending applications·0 citations·filing 2009–2025
Top patents by PatentIndex Score
22 records- 0179US12294097B2Primer layer composition, secondary battery pouch film using the same, and method of manufacturing the sameYOULCHON CHEMICAL CO LTD·Filed 2023·Granted May 6, 2025·0 cites·9 claims
- 0267US2025273782A1Primer layer composition, secondary battery pouch film using the same, and method of manufacturing the sameYOULCHON CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
- 0366US2024396131A1Film for cell pouch and method of storing thereofYOULCHON CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 0465US11916241B2Primer layer composition, secondary battery pouch film using the same, and method of manufacturing the sameYOULCHON CHEMICAL CO LTD·Filed 2020·Granted Feb 27, 2024·0 cites·12 claims
- 0564US2024222757A1Pouch film for secondary battery with excellent room temperature and high temperature sealing strength characteristics in which tearing thickness ratio or tearing thickness difference is controlled, method for preparing the same, secondary battery using the same, and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 0663US2024145822A1Pouch film for secondary battery according to extrusion lamination with controlled thickness parameter and method for preparing the same, secondary battery using the pouch film and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 0763US2025219200A1Sealing apparatus for pouch type secondary battery and sealing method for pouch type secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 0863US2024222756A1Cell pouch film maintaining or increasing high-temperature sealing strength, method for preparing the same, secondary battery using the cell pouch and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 0962US2024222755A1Pouch film for secondary battery with excellent room temperature and high temperature sealing strength where sealant layer yield strength, sealant layer thickness ratio and sealant layer glass transition temperature are controlled, method for preparing the pouch film, secondary battery using the same and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1062US2024213589A1Cell pouch film having high rigidity, high formability and excellent insulation resistance properties and method for preparing the same, secondary battery using the cell pouch film and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1160US2024253342A1Method and apparatus for manufacturing laminate film for cell-type battery pouchYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1259US2024222750A1Pouch film for secondary battery having high poisson's ratio, method for preparing the pouch film, secondary battery using the same and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1359US2024339702A1Film for cell pouch and manufacturing method thereofYOULCHON CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 1459US2024339700A1Cell pouch film having improved formability and method for preparing the sameYOULCHON CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 1559US2024339701A1Film for cell pouch with minimal deformation of laminate and manufacturing method thereofYOULCHON CHEMICAL CO LTD·Filed 2024·Application pending·0 cites
- 1659US2019189984A1Cell pouch having excellent formabilityYOULCHON CHEMICAL CO LTD·Filed 2019·Application pending·0 cites
- 1756US2024222749A1Pouch film for secondary battery with excellent room temperature and high temperature sealing strength, method for preparing the pouch film, secondary battery using the same and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1854US2024154216A1Pouch film for secondary battery with controlled thickness parameter according to solvent dry lamination or extrusion lamination and method for preparing the same, secondary battery using the pouch film and method for manufacturing the secondary batteryYOULCHON CHEMICAL CO LTD·Filed 2023·Application pending·0 cites
- 1953US2018138480A1Cell pouch having excellent formabilityYOULCHON CHEMICAL CO LTD·Filed 2017·Application pending·0 cites
- 2052US2011212361A1Cell packaging material and method for producing the sameYOULCHON CHEMICAL CO LTD·Filed 2009·Application pending·0 cites
- 2150US10305131B2Electrolyte membrane for fuel cell comprising polymer blend, and membrane-electrode assembly and fuel cell comprising the sameYOULCHON CHEMICAL CO LTD·Filed 2016·Granted May 28, 2019·0 cites·34 claims
- 2248US10601075B2Method for synthesizing hydrocarbon electrolytes polymer and polymerization solvent used thereinYOULCHON CHEMICAL CO LTD·Filed 2015·Granted Mar 24, 2020·0 cites·6 claims
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