国家/地区 世界知识产权组织（7） 美国（3） 中国（2） 欧洲专利局（EPO）（2）
IPC部 B（9）
IPC大类 B01（9）
IPC小类 B01D（9）
IPC B01D071/40（9）
发明人 FEI F（4） PUGH T（4） BRETHERTONLIU K（2）
JAMISON D E（2） LIU K（2） PEARL W C（2）
SHUMWAY W W（2）
公开年 2021（4） 2017（3） 2023（2）
申请年 2020（2）  2021（2）  2022（2） 
专利权人 G2O WATER TE.（4） HALLIBURTON .（2）

Separation membrane useful as e.g. ultrapure water membrane, food and/or beverage processing membrane, comprises porous substrate layer and active layer comprising hydrophilic and superhydrophilic agents.

BRETHERTONLIU K, PUGH T, FEI F

Separation membrane e.g. ultrapure water membrane, food and/or beverage processing membrane, municipal water membrane, comprises porous substrate layer and active layer comprising superhydrophilic agent arranged over at least portion of substrate layer.

BRETHERTONLIU K, PUGH T, FEI F

Membrane for pressure-assisted separation of oil and water used in drainage device and fuel tank, comprises at least partially crosslinked active layer arranged on portion(s) of porous substrate layer, and comprising superhydrophilic agent.

LIU K, FEI F, PUGH T

Separation membrane for oil and water separation in fuel tanks, comprises porous substrate layer and active layer comprising hydrophilic agent and superhydrophilic agents.

LIU K, FEI F, PUGH 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

Carboxylated graphene oxide nanofiltration membrane used for removing cochineal red dye monovalent sodium chloride salt comprises piperazine aqueous monomer, trimesoyl chloride oil-phase monomer, and carboxylated graphene oxide additive.

SHEN J, ZHANG H, RUAN H, GAO C

Membrane useful in filter module to e.g. increase purity of liquid e.g. water, comprises crosslinked graphene platelet polymer comprising crosslinked graphene platelets including graphene portion and crosslinking portion.

BULLOCK S E, SIMON S M, STETSON J B

Multifunctional graphene/high molecular complex permeable membrane useful in e.g. total heat exchanger, humidity regulator and sewage treatment, comprises wettable polymer, graphene or graphene complex material and microporous substrate.

GUO J, HAN S, ZHANG Y