国家/地区
IPC部 B（2）
IPC大类 B65（2）
IPC小类 B65D（2）
IPC B65D065/42（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Preparing multi-layer composite barrier film used as packaging material, by configuring polyetherimide/graphene oxide mixed solution, removing excess polyetherimide by suction filtration, re-dissolving polyetherimide/reduced graphene oxide mixture in solvent, and using layer-by-layer sol-gel method.

ZENG Q, LONG L, HE C, DU X, DING Z, YIN C

Package used for enclosing consumer product, comprises biodegradable sealant, barrier material chosen from metal or metal alloy coated with sealant and having preset thickness, biodegradable ink, and biodegradable protective layer.

BARTOLUCCI S, KELLETT P J, BOSWELL E C, LLOYD S N, LAYMAN J M, GILBERTSON G W, JAMES M I