国家/地区 中国（16） 世界知识产权组织（4） 欧洲专利局（EPO）（3） 美国（3） 加拿大（2） 印度（2） 日本（2） 韩国（2）
IPC部 B（19） A（7） D（4）
C（3）
IPC大类 B01（19）
IPC小类 B32B（19）
IPC B32B009/04（11） B32B009/00（10） B32B033/00（8）
B32B005/02（5） B32B027/02（5） B32B027/12（5）
B01D046/00（4） B32B027/32（4） B01D039/16（3）
B01D053/02（3） B32B003/08（3） B32B003/12（3）
B32B007/12（3） B01D039/08（2） B01D039/14（2）
发明人 LIU W（2） YANG Z（2）
公开年 2021（13） 2020（5）
申请年 2020（19）
专利权人

Device for filtering molecules and ions in liquid or gaseous medium, e.g. for filtering helium and dihydrogen, has catalysis layer which is placed in recess and covers portion of barrier layer on recess and graphene membrane is provided in recess and in contact with catalysis layer.

LE POCHE H, FOURNIER A, LITAUDON S

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

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Graphene oil absorbing pad, has oil absorbing layer and leakage-proof layer sewed with quilting lines by quilting process, where adjacent quilting lines are provided with anti-skid lines.

LI J, YANG Z, HAO S, CUI S, LIU W, SONG Z, XU G, WANG G

Formation of porous graphene layer used as semipermeable membrane, involves providing catalytically active substrate comprising copper-nickel alloy substrate, to catalyze graphene formation under chemical vapor deposition conditions.

CHOI K, PARK H G, HEIGHT M, CHOI K J, PARK H, PIAO H

Graphene moisture-absorbing antibacterial deodorant sock, has sock main body whose bottom part is sewed with plant fiber layer located in graphene fabric layer that is sewed with active carbon adsorption layer adhered with bottom part of plant fiber layer.

CHEN Y

Anti-cold air conditioner graphene antibacterial air conditioner filter cloth comprises a base cloth layer, where the surface of the base cloth layer is provided with an embossing structure.

CHEN C, ZHANG X

Multilayer filtering nonwoven fabric comprises non-woven fabric surface layer, nonwoven fabric base layer, edge sealing layer and reinforcing supporting grid sheet, where periphery of non-woven fabric surface layer is provided with edge sealing layer.

ZHANG Z

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

Air-permeable latex summer mat used for calming nerves, comprises mat layer made of modal fiber fabric, natural latex, foaming agent, gordon euryale seed, goat milk, dried orange peel, flos carthami and rhizoma pinelliae.

ZHANG L