国家/地区 中国（4） 欧洲专利局（EPO）（3） 世界知识产权组织（3）
IPC部 B（6）
IPC大类 B32（6） B65（6） C08（4）
C01（2） C09（2）
IPC小类 B32B（6）
IPC B32B027/36（6）
发明人 WAHLBERG J（2）
公开年 2022（5）
申请年 2021（6）
专利权人 TETRA LAVAL .（2）

Producing oxygen barrier material for packaging material involves providing and forwarding substrate material web, providing aqueous composition comprising graphene oxide comprising monolayer flakes of graphene oxide, and coating aqueous composition of graphene oxide onto substrate material web.

BERLIN M, WAHLBERG J, GUIDETTI G

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

Processing technology of medicinal composite film based on temperature-sensitive technology comprises e.g. coating adhesive on one side of polyester film layer to form first adhesive layer, compounding polyvinylidene chloride film layer with first adhesive layer, and curing.

ZHOU S, ZHANG C, GU S

Aging-resistant packaging bag comprises a poly(ethyl benzene-1,4-dicarboxylate) alumina layer, first adhesive layer, nylon film layer, second adhesive layer and polyethylene layer.

HUANG Y

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

pH-responsive intelligent controlled-release antibacterial and degradable packaging film useful e.g. in food active packaging material, comprises active antibacterial layer and barrier layer composed of modified and dispersed graphene oxide nanosheet material prepared by biodegradable base material.

WANG Y, LI X, ZHOU X, WANG K, GAOSHU J, GONG X, QIU X