国家/地区 中国（4）
IPC部 B（4）
IPC大类 B32（4） C08（3）
IPC小类 B32B（4）
IPC B32B009/06（4）
发明人
公开年 2021（4）
申请年 2019（2）  2021（2） 
专利权人

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Graphene far-infrared floor heating floor comprises wear-resistant paper layer, wood grain paper layer and functional substrate layer, wear-resistant paper layer is complex of high-temperature heat transmitted through functional substrate.

JIN Y, JIN J

Toughening material for prepregs used in high-toughness composite material, comprises carbon material aerogel and thermoplastic resin.

TANG J, ZHANG O, YU R, WANG X, WANG F

Aqueous adhesive for manufacture of laminated cellulosic board, comprises water, starch, polymer, glue enhancer, and stabilizing agents, gelling agents, thickener, antifoaming agents, tackifier and/or damp-proofing resins.

ZURUTUZA ELORZA A, ORTEGA MURGUIALDAY A, ALONSO RODRIGUEZ B, ZURUTUZA E A, ORTEGA M A, ALONSO R B, ZURUTUSA E A, ORTEGAMURGIALDEI A, ELORZA A Z, MURGUIALDAY A O, RODRIGUEZ B A