国家/地区 中国（7） 美国（5） 世界知识产权组织（4） 欧洲专利局（EPO）（3） 日本（3） 韩国（3） 加拿大（2）
IPC部 B（10） C（10） A（2）
IPC大类 B01（10） C01（10） A41（2）
A62（2） C02（2） C08（2）
IPC小类 B01D（10）
IPC C01B032/194（10）
发明人
公开年 2021（10）
申请年 2020（10）
专利权人

Face mask e.g. surgical mask, comprises mask component for covering wearers mouth and nose and comprising air-permeable outer layer, inner layer and graphene layer, and fastener for connecting mask component to wearer.

JANG B Z, ZHAMU A

Preparing gas selective separation filter involves providing graphene membrane on sacrificial support layer, subjecting graphene membrane to transient pressurized ozone gas pulse, purging ozone, and cooling down ozone treated graphene membrane.

AGRAWAL K V, HUANG S, HSU K, AGRAWAL K, HWANG S, HUSH K, XU G

Acid leaching device useful for preparing graphene, comprises an acid leaching tank, a sealing tank cover and an air outlet cylinder, where the acid leaching tank is fixed with a heating plate through a bolt.

YANG E

Nanoporous membrane used in filter, comprises two-dimensional material permeated by pores which are blocked by polymer derived from monomer and comprising population of pores having average pore diameter.

KIDAMBI P R, CHENG P

Graphene oxide powder drying and collecting device has controller that is installed on drying tank by bolts so that controller is connected to intake fan, heater, main motor, intake pump, lifting push rod, and first intake pump through wire.

MA 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

Graphene transfer device comprises car plate, filter mechanism, protection mechanism, flow mechanism, box body and protective shell fixedly connected to top of vehicle plate.

LI W

Preparing graphene porous membrane by thermally reducing graphene oxide slurry, thermally-reducing, dispersing HT-graphene oxide in solvent, adding hydrogen peroxide, purifying product, and dispersing FL-graphene oxide powder in solvent.

OU J, YU H, ZHOU H, CHENG Y, REN B, CHEN G, YAO H, YI Q, XIE H, CHEN K

Graphene automatic processing lifting device, comprises mounting frame, refrigerating cabinet, reaction kettle, sedimentation tank and fiber filter.

SHI S, JIN T

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S