国家/地区 中国（12） 韩国（5） 欧洲专利局（EPO）（3） 印度（3） 日本（3） 美国（3） 世界知识产权组织（3） 澳大利亚（2） 新加坡（2）
IPC部 B（16）
IPC大类 B01（16） D06（9） D01（6）
D04（6） A41（5） C08（4）
A62（3） B32（3） C02（3）
C09（3） C01（2）
IPC小类 B01D（16）
IPC A41D013/11（5） B01D067/00（4） D01F001/10（4）
D06M015/263（4） A41D031/30（3） B01D039/16（3）
B01D046/00（3） B01D069/12（3） D01F006/46（3）
D04H003/007（3） D06M011/74（3） D06M015/37（3）
A62B023/02（2） B01D017/02（2） B01D039/00（2）
发明人 LIU Y（2） WANG H（2） ZHANG H（2）
ZHANG J（2）
公开年 2021（16）
申请年 2020（16）
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

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Carbon material coated with coating layer containing polydopamine and copper oxide, useful for producing activated carbon fiber for antibacterial filter.

HUR J H, LEE Y C, MOON H G

Preparing environmentally friendly air filtering non-woven fabric comprises e.g. mixing polypropylene, electret masterbatch and polymer electret, and subjecting melt blown cloth to constant temperature infrared radiation heat treatment.

ZHANG C

Ink useful for providing viral active or anti-microbial coating to substrate, comprises carrier, graphene or graphene oxide particles dispersed in carrier, and viral active or anti-microbial component adhered to graphene.

CHEN S W, DEVINE S, CHEN S, SANDWINTHROP C

Preparing nanocomposite fiber membrane useful for removing ionic dyes and heavy metal ions in wastewater, comprises immersing polyacrylonitrile electrospinning nanofibers and graphene oxide composite film in dopamine aqueous solution.

WANG H, NIU L, HAN D, PAN G

Preparing long-lasting anti-odor gray board paper comprises e.g. preparing stock, and papermaking, adding composite anti-odor slurry to lining layer or core layer, adding surface layer and bottom layer with natural bamboo pulp.

XU W, CHEN H, FAN X, CHEN M, TONG H, XIA Q, XIA Y, ZHANG S

Heat detection mask comprises mid-leaf filter cloth having four corners and four sides, upper leaf of middle leaf filter fabric and upper leaf bonded to have same edge on upper side of left and right sides and having arc-shaped sewing line.

SHIM B

Capsule comprises phase change microcapsules and chitosan quaternary ammonium salt coated on the surface of phase change microcapsules.

BAO L, LIU H, CHEN L

New super-wetting surface as polypropylene surface with micro-nano structure grafted with hydrophilic side groups.

QIAO J, WANG S, ZHANG X, QI G, SONG Z, CAI C, WANG X, LAI J, LI B, JIANG H, RU Y, ZHANG J, GAO J, ZHANG H, HAN P, JIANG C, GUO Z, GUICUN Q, ZHIHAI S, BINGHAI L, JIANMING G, ZHAOYAN G, SOONGHEO W, LIU Y, JIANG X