国家/地区 中国（5） 欧洲专利局（EPO）（3） 韩国（3） 美国（3） 日本（2） 世界知识产权组织（2）
IPC部 B（5）
IPC大类 B32（5）
IPC小类 B32B（5）
IPC B32B027/18（5）
发明人
公开年 2023（2）
申请年
专利权人

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

High ductility and high temperature resistant composite food packaging film useful for food packaging or food preserving, comprises modified composite film layer which is base modified film layer, maleic anhydride graft polyethylene resin film middle layer and polyethylene outer film layer.

CHEN C

Multilayered flexible package useful in packaging systems for food, cosmetic, nutraceutical or pharmaceutical products, comprises polymeric coating comprising dispersion of antioxidant particles.

RIVA M, VACCA P, FIDECKA K, FIDECA C

Secondary battery pouch film comprises sealant layer, adhesive layer formed on sealant layer, primer layer formed on adhesive layer, core layer formed on primer layer and surface layer, where at least one above-mentioned layer has graphene.

HEO C H, PARK Y S, KANG T W, HEO C, PARK Y, KANG T, HEO J H, SOON P Y, KANGTAEWOON

Graphene compound for barrier element and clear packaging for product comprises optionally functionalized graphene directly bonded to nitrogen-containing compound.

ZHENG S