国家/地区 中国（5）
IPC部 B（5）
IPC大类 B65（5） B29（2） B32（2）
C08（2）
IPC小类 B65D（5）
IPC B32B027/08（2） B32B027/18（2） B32B027/30（2）
B32B027/32（2） B65D025/02（2） B65D025/54（2）
B65D065/40（2） C08K003/34（2） C08L005/08（2）
C08L023/06（2）
发明人
公开年 2023（5）
申请年 2023（5）
专利权人

Soundable bottle cap, has upper cover slidably inserted in lower containing cavity of base in detachable manner, where upper speaker presses down graphene switch contact assembly and conducts contact.

LIU D, LIU L

Storage device for material production graphene, has packaging bag that is set in storage barrel and length is slightly higher than depth of storage barrel.

LI M

High-barrier packaging material used for packaging articles such as medicine, comprises aluminum foil, polyethylene (PE) adhesive layer, barrier layer, PE adhesive layer, substrate and PE film, where barrier layer comprises ethylene-vinyl alcohol copolymer, and acetylated chitosan nanofiber.

ZHU H, JIN W, GAO Y, TAO J, ZHANG D, LIN W

Sealing packaging storage graphene of flexible heating film, has door plate that is provided with observation window, and front end face of door plate is welded with auxiliary box, and rotating shaft is rotatably connected in storage box.

WANG H

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