国家/地区 中国（5）
IPC部 B（6）
IPC大类 B32（6）
IPC小类 B32B（6） D04H（3） C09D（2）
D06M（2）
IPC B32B027/06（6）
发明人
公开年 2021（4） 2020（2）
申请年 2020（6）
专利权人

Multi-layered mask is useful for e.g. protecting against the aerosol transmission of COVID-19 comprises five layers characterized that first and last layers are made of e.g. cotton textile layers, natural fiber layers, and nanofibers layer.

SHIREESHA G, KARBARI S R, UTTARA K M, SUBRAMANYA K

Anti-UV radiation graphene super-fiber leather tool, has polyurethane elastic layer whose upper end is provided with graphene net, and polyurethane surface layer whose upper end is covered with titanium dioxide layer.

CAI Y, ZHANG Z, ZHOU W

Radar-infrared-visible light multi-spectrum camouflage invisible structure includes radar wave absorbing structure layer, infrared heat insulation coating, adhesive layer and wave-transmitting camouflage net layer.

WANG Y, LI G, LONG C, LIU S, HE J, LI J, DING T, CUI G, CHEN L, YIN S

Manufacturing non-woven fabric comprises e.g. immersing semi-finished product treated with second immersion liquid in dark place, and irradiating with ultraviolet lamp, taking out, washing, and drying.

DUAN X

Graphene cotton comprises e.g. flame retardant layer, insulating layer, graphene layer, elastic resin layer and ventilating layer arranged in parallel up and down, and lower surface of flame retardant layer provided with insulating layer.

MU Q

Marine anticorrosive composite coating comprises graphene primer, graphene shielding paint, high-elastic coating composite fiber material and polyurethane composite topcoat material.

ZHOU H, SONG J, WANG D