国家/地区 世界知识产权组织（32）
IPC部 B（32） C（20） A（5）
H（4） D（3） F（3）
E（2） G（2）
IPC大类 B01（32） C01（14） C08（8）
C02（6） C09（5） B32（3）
H01（3） A41（2） A61（2）
C23（2） D06（2） E21（2）
F24（2）
IPC小类 B01D（32）
IPC B01D069/02（10） B01D071/02（10） B01D067/00（9）
B01D069/12（5） C01B032/198（5） C02F001/44（5）
B01D039/20（4） B01D046/00（4） B01J020/20（4）
C01B032/194（4） B01D021/26（3） B01D039/14（3）
B01D053/02（3） B01D061/02（3） B01D061/58（3）
发明人 CAI C（2） JAMISON D E（2） PEARL W C（2）
SHUMWAY W W（2）
公开年 2021（32）
申请年 2020（32）
专利权人 FRAUNHOFER G.（2） HALLIBURTON .（2） UNIV SINGAPO.（2）

Graphene oxide modified poly-dopamine composite nano-filtration membrane used in e.g. biological engineering, comprises polyether sulfone supporting body and organic functional layer using aqueous phase monomer and acid receiving agent.

CHEN Y, HONG Y, FANG F, LAN W

Filtering device for filtering fluid containing dissolved and optionally colloidal substances, and further impurities like bacteria and/or virus, comprises first filter unit serving to remove substances in first filtering step.

MAZZOCATO L

Air purifying, sterilizing and virus inactivating device useful e.g. in functional composite material has e.g. blower device, deep UV light source, and photocatalysis light source electrically connected to power source connection device.

LIN K, XU Z

Preparing adsorbent material on basis of at least one porous metal-organic framework (MOF) being suitable for adsorbing gases, e.g. carbon dioxide, comprises combining porous particulate MOF with particulate graphene oxide.

HEYMANS N, DE WEIRELD G, CASABANJULIAN J, HAMILL C, ZHANG Y, MOORE A, EMMERICH R, GRAF M, RESS C, SCHOENWALD M, TORIBIO B A, ZURUTUZA A, ORTEGA A, SERRE C, ALONSO B, DE W G, SCHOENWALD M

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

Graphene derivate composite for filtration unit has graphene nanoball structure with corrugated surface deposited with silver or silver oxide nanoparticles blended with granular activated carbon powder, forming electron-hole puddles.

ALKAMIYANI S, MOHIUDDIN T

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

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

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