国家/地区 世界知识产权组织（7） 中国（6） 韩国（3） 美国（2）
IPC部 B（16）
IPC大类 B01（16） A41（5） A62（4）
C01（4） D01（4） B82（3）
C02（3） D04（2） D06（2）
IPC小类 B01D（16）
IPC B01D039/20（16）
发明人
公开年 2022（16）
申请年 2022（8）  2021（5）  2020（3） 
专利权人

Self-cleaning filter used as mask, comprises heating fiber containing heating carbon component.

KIM S, JUNG H J, JAE C H

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

Removing carbon dioxide from gas involves providing gaseous feed stream including carbon dioxide gas, adsorbing carbon dioxide gas, de-adsorbing carbon dioxide, and combining carbon dioxide with hydrogen gas to produce one of methane or methanol, catalyst includes one molybdenum sulfide, ruthenium.

MCDOWELL R, HILL C, YURCHICK C L, ATKINS C A

Preparing renewable antibacterial effect degradable nanofiber mask filter core comprises preparing graphene oxide-halamine composite antibacterial nanofiber membrane, and combining with substrate prepared from polylactic acid ultra-diluted spinning solution, and ultrasonic compounding.

HE J, SHAO W, LI X, ZHANG J, SU X, LI B, ZHAO X

Composite structure filter felt used for household vacuum cleaner air purifier, has base cloth that is composed of multiple groups of stretch-proof fiber, and multiple groups are woven in staggered way.

YANG J

Production of carbon nanotube-based adsorption/filtration nanomaterial, comprises annealing carbon nanotubes to remove fullerenes and other by-products of carbon crystallization, where carbon nanotubes are subsequently immobilized on support substrate based on fibrous natural or synthetic material.

BOUSA D, BOUSA M, BOUSOVA K

Filter for use in conventional mask for killing viruses or removing fine dust, has metal plate included with set of filter portions arranged such that polymer film and metal plate faces each other.

SHIN B S, LEEJUNWOOK, YOUB J S, LEECHANWOO

Graphene cigarette filter tip, has cigarette fixing device whose bottom part is connected with graphene filtering device top part, where bottom part of graphene filter device is connected to filter tip device bottom part by inserting hole connecting piece.

YU Z, PAN D

Use of two-dimensional nanomaterial in preparing medicine for treating or preventing diseases caused by coronavirus by inhibiting binding of coronavirus spike protein to receptor angiotensin-converting enzyme 2 (ACE2) of its host cells.

LI Y, WANG L, ZHANG G

Graphene filter core material comprises polyacrylonitrile electrospinning fiber including polyacrylonitrile and graphene antibacterial composite material composed of graphene oxide-supported silver particle composite material and/or quaternized graphene composite material.

ZHANG W