国家/地区 美国（23）
IPC部 B（23）
IPC大类 B01（23） C01（13） C02（10）
C08（6） C09（4） A41（3）
E21（3） A61（2） A62（2）
B05（2） B32（2） C23（2）
D06（2）
IPC小类 B01D（23）
IPC B01D071/02（9） B01D067/00（8） B01D069/02（8）
C02F001/44（6） C01B032/194（5） B01D046/00（4）
B01D069/12（4） C01B032/184（4） C01B032/198（4）
B01D021/26（3） B01D039/14（3） B01D039/20（3）
B01D061/02（3） B01D063/08（3） B01D069/00（3）
发明人 JAMISON D E（3） SHUMWAY W W（3） PEARL W C（2）
公开年 2021（23）
申请年 2020（23）
专利权人 HALLIBURTON .（3）

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

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

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

Removal of metal contaminant e.g. copper for preparing purified hydrocarbon fuel, involves contacting contaminated fluid hydrocarbon comprising metal contaminant with sorbent comprising functionalized graphene oxide treated with base.

ZOICANLOEBICK C M, BAIRD B, WEISSMAN J