国家/地区 世界知识产权组织（4）
IPC部 B（4）
IPC大类 B05（4） B32（4） C08（3）
C01（2）
IPC小类 B05D（4）
IPC B32B027/08（4）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

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

Water-soluble film used e.g. in laminates for flexible package applications comprises first water-soluble polymeric layer, second water-soluble polymeric layer and water-dispersible barrier layer disposed between the first and second layers.

CARUSO P, BOLZ U, BOSWELL E C

Foil used as surface section, has coating that is nano-coating in which graphene and silicon are present as nanoparticles, such that interaction of molecules or atoms of coating is made with kinetic energy of radiation.

SCHUBART H T

Barrier article for rendering substrate impermeable to small molecules, and for sealing openings on substrate, comprises a substrate and a continuous graphene-based layer adhered to the surface of the substrate.

HURT R H