国家/地区 美国（14）
IPC部 B（14）
IPC大类 B01（14）
IPC小类 B01D（14）
IPC B01D067/00（6） B01D071/02（6） C01B032/194（5）
B01D069/02（4） C01B032/184（4） C01B032/198（4）
B01D046/00（3） B01D061/02（3） B01D069/10（3）
B01D069/12（3） C01B032/182（3） C01B032/19（3）
C02F001/44（3） A41D013/11（2） A62B023/02（2）
发明人
公开年 2021（13）
申请年 2020（14）
专利权人

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

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

Membrane e.g. graphene membrane for use in filter and filtration, has pores that includes relatively large and small pores, filler particles are lodged within relatively large pores and graphene platelets fill relatively small pores.

OGUNTUASE N

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

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

Infrared absorbing composition used in device, in layered structure as infrared emitter/absorber, to prepare surface to absorb infrared radiation and making coatings comprises layer of metal carbides and nitrides material.

HAN M, GOGOTSI Y

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

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

Hybrid graphene material used for manufacturing filters of substances from any tobacco product, preferably cigarettes, industrial processes, internal combustion engines or chemical processes, comprises micronized graphite.

BENSE CANDELA T, BANCHERO ISASMENDI M M, UMPIERREZ VAZQUEZ E F, RUFENER C, VILLANUEVA J P, PARDO H, FACCIO R, MOMBRU A, BENSE C T, BANCHERO I M M, UMPIERREZ V E F, BENSE C T S, CANDELA T B, ISASMENDI M M B, VAZQUEZ E F U, UMPIERREZ VIZQUEZ E F, UFENER C, UMPIERREZ VAZQUEZ E, DRA. PARDO H, DR. FACCIO R, DR. MOMBRU A