国家/地区 中国（6）
IPC部 B（6）
IPC大类 B65（6） D21（4） B32（3）
D01（2）
IPC小类 B65D（6）
IPC D21H027/10（4） B65D065/40（3） B32B027/02（2）
B32B027/32（2） B32B037/06（2） B32B037/10（2）
发明人 LI Y（2）
公开年 2022（6）
申请年 2021（4）  2022（2） 
专利权人

High-strength microfiber shielding material, which is a double-layer/three-layer composite structure including an outer support layer and a filter layer, and three-layer composite structure includes inner and outer two-layer support layers.

LI Q, LI Y, YANG Y, YANG H, ZHANG L, CUI J, CHENG J, LIN G, ZHOU Y, LIU N, JIANG F, WANG G

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

Wearable woven bag used in industrial field including food products, comprises polypropylene resin, linear low density polyethylene, maleic anhydride grafted polypropylene, wearable components, antiaging agent, antioxidant and auxiliary agent.

LI Y, LIU X, LIU L

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