国家/地区 美国（36）
IPC部 B（36）
IPC大类 B01（36） C01（13） C02（10）
C08（6） C09（4） A41（3）
A61（3） B32（3） E21（3）
H01（3） A62（2） B05（2）
C23（2） D06（2）
IPC小类 B01D（36）
IPC B01D071/02（13） B01D069/02（11） B01D067/00（10）
B01D039/20（7） B01D046/00（7） B01D069/12（6）
C02F001/44（6） C01B032/194（5） B01D039/14（4）
B01D061/02（4） B01D069/10（4） B01J020/20（4）
C01B032/184（4） C01B032/198（4） B01D021/26（3）
发明人 JAMISON D E（3） SHUMWAY W W（3） CAI C（2）
LIU H（2） PEARL W C（2）
公开年 2021（36）
申请年 2020（36）
专利权人 HALLIBURTON .（3） UNIV SINGAPO.（2）

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

Membrane distillation system for e.g. water desalination, comprises membrane distillation module, feed reservoir(s), and knockout chamber(s).

MITRA K, ROY S, LI C, MITRA 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

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

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

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

Removing contaminant involves using a material comprising an adsorption material for adsorption of contaminant and decomposition material for decomposition of contaminant.

YANG D, KWON H, LEE H C, JI S, CHI X, LEE H, LIANG D, JI S M, JAE K, YANG T S

Method for producing modified substrate, involves using track-edged substrate as support substrate for single-layer graphene film, multi-layer graphene film, stack of graphene films, nanostructure of graphene flakes or graphene platelets.

LIU H, SWETT J L, MASON L W, HEISE S E