国家/地区 美国（4） 中国（3）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC B01D071/44（6）
发明人 KOLELVEETIL M K（3） SHEEHAN P E（3）
公开年 2021（2） 2022（2）
申请年 2014（2）  2022（2） 
专利权人 US SEC OF NA.（3） KOLELVEETIL .（2） SHEEHAN P E（2）

Porous polymeric membrane useful for removing impurities from liquid compositions e.g. alcohols and ammonium hydroxide comprises a polymer having mixed in it a carbonaceous material.

MIR A A, JABER J A, PATEL R B, BOUDREAU A, KALYANI V

Layer-by-layer self-assembly preparation method of graphene oxide nanofiltration membrane comprises adding pure water into flake graphite oxide, ultrasonically treating, adding water into polyelectrolyte additive, mixing graphite oxide dispersion and additive solution, pressurizing and drying.

WANG R, CHEN Z, SHAO W

Membrane used for purifying water, involves articles comprising nanoporous membrane, nanoporous graphene sheet and chemical functionalization covalently bound on one side of sheet, and are layered with chemical functionalization.

SHEEHAN P E, KOLELVEETIL M K

Producing nanoporous graphene membrane involves depositing hexaiodo-substituted macrocycle onto substrate, coupling macrocycle to form nanoporous graphene sheet, layering onto nanoporous membrane with nanoporous graphene sheet, and etching.

SHEEHAN P E, KOLELVEETIL M K

Article comprises nanoporous membrane, nanoporous graphene sheet is layered on nanoporous membrane and 3,3-bis(trifluoromethyl)-3-hydroxylpropylamino group is covalently bound on only side is opposed to nanoporous membrane.

KOLELVEETIL M K, SHEEHAN P E

Nanofiber membrane material for filtering metallic ions e.g. ferric ion from wastewater, is prepared by performing spray spinning using graphene oxide, p-phenolic fluoroboron dipyrrole, polyvinylpyrrolidone (PVP) and polyvinyl alcohol (PVA).

LAN Q