国家/地区 中国（4） 世界知识产权组织（3） 欧洲专利局（EPO）（2）
IPC部 B（7）
IPC大类 B65（7） D21（7） B32（3）
C08（2）
IPC小类 B65D（7）
IPC D21H027/10（5） B65D065/40（4） B32B007/12（2）
B32B027/10（2） B32B027/32（2） B32B029/00（2）
发明人
公开年 2022（5） 2023（2）
申请年 2021（7）
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

Oil-proof paper useful as packaging container for accommodating oily food, comprises base paper layer, enzyme-cleaved starch, polyvinyl alcohol, kaolin, latex, graphene, carboxymethyl cellulose and sodium hydroxide.

TIAN W, WANG J, QIU R, JIANG Y

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

Printing box for large sheet-shaped automatic packaging line, has top part of graphene aqueous painting layer that is provided with printing ink pattern layer.

LI C, WANG Y

Paper-plastic composite bag comprises paper layer includes e.g. polypropylene, composite flame retardant, polyvinyl chloride-kaolin composite material, heat-resistant polyurethane, sunscreen, dioctyl phthalate and plastic layer.

WEN C, ZHOU G

Producing paper packaging bag comprises impregnating inner packaging base paper layer, and outer packaging base paper layer, drying, coating impregnated inner packaging base paper layer and outer packaging base paper layer with barrier adhesive material, hot pressing and cooling.

NI H, CHEN F, YANG J