Patents/Assignees

CHANG CHUN PETROCHEMICAL CO., Ltd.

23 patents in portfolio

US11643575utility2023
Ethylene-vinyl Alcohol Copolymer Resin Composition, Ethylene-vinyl Alcohol Copolymer Film Formed Therefrom, and Multilayer Structure Containing the Same
0 cites
US11603279utility2023
Package Structure of Roll-shaped Thin Film and Packaging Method Thereof
0 cites
US11566091utility2023
Ethylene Vinyl Alcohol Copolymer Resin Composition, Ethylene Vinyl Alcohol Copolymer Film Formed Therefrom, and Multilayer Structure Containing the Same
0 cites

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