国家/地区 世界知识产权组织（3）
IPC部 B（3）
IPC大类 B65（3） D21（3）
IPC小类 B65D（3）
IPC
发明人
公开年 2023（2）
申请年 2021（3）
专利权人

Coated paper product used as packaging for sensitive products, e.g. food, and beverages, comprises paper or paperboard substrate, barrier coating having graphene and polyolefin copolymer bearing carboxylic acid moieties.

GILLGREN T, LARSSON J, LARSSON J A

Molded fiber container for e.g. yogurt, has cup-like container body whose inner surface is provided with inner barrier coating, where outer surface of body is provided with outer barrier coating and in-mold paper label.

KUIPER H J, BIENCOURT V

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