国家/地区 中国（28） 世界知识产权组织（13） 美国（12） 印度（6） 韩国（5） 欧洲专利局（EPO）（4） 日本（3） 台湾（3） 加拿大（2）
IPC部 B（48）
IPC大类 B01（48）
IPC小类 B01D（48）
IPC C08K003/04（23） B01D071/02（13） B01D067/00（12）
B01D069/02（7） C02F001/44（7） B01J020/30（6）
B01D053/02（5） B01D069/12（5） C08G083/00（5）
C08J005/18（5） C08J009/28（5） C08K009/04（5）
A41D013/11（4） B01D017/022（4） B01D046/00（4）
发明人 LIU Y（3） WANG L（3） ZHANG J（3）
GUO Z（2） JAMISON D E（2） LI H（2）
LI J（2） LI K（2） LI Y（2）
LUO X（2） MADHAD H（2） MISHRA N（2）
PEARL W C（2） SHUMWAY W W（2） SONG Z（2）
公开年 2021（48）
申请年 2021（21）  2020（19）  2019（7） 
专利权人 CHINA PETROL.（2） CHINA PETROL.（2） HALLIBURTON .（2） MADHAD H（2）
MISHRA N（2） SINOPEC BEIJ.（2） VASAVA D（2）

Antistatic filter material useful in tangential flow compressed air filter device, comprises antistatic polymer, polytetrafluoroethylene resin, and graphene.

FAN Y, LI J

Preparation method of graphene-based sponge used for treating sewage, involves performing ultrasonic treatment on the mixture of the graphene oxide dispersion and polyurethane sponge, heating.

WU J, LI C, SONG S, HUO S, LI K, WANG Y

Increasing an electrical and/or thermal conductivity, as well as filtering power and germ-blocking properties of textile article by preparing impregnation composition consisting of graphene, polymeric binder and wetting agent, and stirring.

CESAREO G G, RIZZI L G

Filter used in device e.g. mask, breathing apparatus and face covering, vent cover and heating, ventilation, has polyurethane-based polymer foam comprising virucidal/bactericidal agent having cetylpyridinium chloride and/or dimethyloctadecyl(3-(trimethyloxysilyl)propyl)ammonium chloride.

RAMAPPA D A, JOGIKALMATH G

Preparation of biamino chitosan-graphene oxide hybrid material for constructing plasma separation membrane , involves adding sodium hydroxide, and dispersing mono-tert-butoxycarbonyl-protected diamino chitosan derivative in methanol.

JIN W, CHU Z, XIE Y

Preparation of iron-oxide-graphene oxide-hexagonal boron nitride composite used in e.g. chemosensor, involves dissolving graphene oxide and hexagonal boron nitride in distilled water, stirring and ultrasonically processing, autoclaving, centrifuging, washing with ethanol and drying.

NANDHAKUMAR R, PRABHU J, SAKUNTHALA A, VIDHYA B, RAJESH S

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

Fluid treatment system for treating fracturing fluid or drilling mud, has first filtration medium having first outlet that is provided on first side of first filtration medium, and second outlet that is provided on second side of first filtration medium to opposite first side.

JAMISON D E, SHUMWAY W W, PEARL W C

Composite material based on an organometallic framework comprises graphene and organometallic framework materials grown in situ on the surface of grapheme.

YAN W, LI Y, HAO J, QIAN Y, TAO Y, LUO Y, YANG J

Natural polymer-based atmospheric water collection material for adsorption and desorption of water vapor, is prepared using natural polymer and cross-linking to obtain hollow structure, where natural polymer is natural polymer material with polysaccharide main chain and hydrophilic side chains.

HE J, XU X