国家/地区 中国（3）
IPC部 B（3）
IPC大类 B65（3） C08（3）
IPC小类 B65D（3）
IPC C08J005/18（3）
发明人
公开年 2021（3）
申请年 2020（2） 
专利权人

Environmentally-friendly degradable food-grade antibacterial plastic packaging film.

CHEN M, TANG H, WANG C

Cigarette film comprises functional layer, core layer and secondary functional layer, where core layer is located between functional layer and sub-functional layer, and functional layer is prepared using copolymerized ternary polypropylene.

JIANG S, CHEN D, CHEN Z, XIAO J, HU B, HUANG W

Gas and moisture permeable film used in vegetable and fruit fresh-keeping package, comprises support layer and functional layer, where functional layer exists on one side of support layer or on both sides of support layer.

ZHANG Y, YIN J, ZHENG C, SONG J, TANG Y, YAO X, PAN G, LIU Y