国家/地区 欧洲专利局（EPO）（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC B32B027/08（2） C08J007/04（2）
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