国家/地区 世界知识产权组织（3） 中国（2） 欧洲专利局（EPO）（2） 日本（2） 台湾（2） 美国（2）
IPC部 B（4）
IPC大类 B32（4）
IPC小类 B32B（4）
IPC B65D081/24（4）
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人

Producing food packaging barrier film used for consumers to clearly see content of packaged goods, involves providing base film, depositing inorganic laminated film on surface of base film, where inorganic laminated film includes at least one first and second inorganic material deposition layer.

CHEN C, TSAO C, LIAO T, LIAO T C, TSAO C C, CHEN C H, CHEN Z, CAO J, LIAO D

Packaged elastomer composite used for e.g. conveyor belt, comprises sealed package containing composite having preset partial pressure of oxygen and containing elastomer and filler, and wall including oxygen barrier layer surrounding composite, and has preset oxygen transmission rate.

DHAVALE P A, DOSHI D A

Preparing aqueous composition of reduced graphene oxide used for producing gas-barrier coated material, by providing aqueous dispersion comprising graphene oxide, providing aqueous dispersion of nanocellulose compound, providing aqueous solution of reducing agent, and mixing aqueous dispersions.

WAHLBERG J, OESTLUND M

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

ZHENG S