国家/地区 中国（7） 世界知识产权组织（5） 美国（3） 欧洲专利局（EPO）（2） 台湾（2）
IPC部 B（9） C（5）
IPC大类 B01（9） C02（3） C08（2）
IPC小类 B01D（9）
IPC B01D071/28（9）
发明人 BAGGE B（2） ERICSON J（2） KHORASANI B（2）
KITAHARA I（2） LIN W（2） WANG P（2）
ZHENG S（2）
公开年 2019（2） 2020（2） 2022（2）
申请年 2019（4）  2021（2） 
专利权人 NITTO DENKO .（2）

Graphene separation film used in total organic carbon analyzer for testing and monitoring of purity of drinking water and process water, comprises support layer and separation layer, which is double-layer graphene film with nanopores.

ZHANG S, SUN J, YAO A, HOU D, ZHANG D, WANG L

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

Mop cleaning bucket for rinsing and de-drying clean water by circulating and filtering sewage, has water column for drawing water from water purification area to clean mop cloth to form sewage that flows to water outlet through inclined surface.

WU C

Method for preparing sandwich graphene oxide hollow fiber film with fixed interlayer distance by sealing hollow fiber substrate and soaking it in graphene oxide suspension, depositing graphene oxide layer on hollow fiber substrate.

LI W, WU W, SU J, JIA M, ZHONG W, LI Z

Two-dimensional hybrid material for filter material used in pollutant detection and adsorption separation, pollution adsorption and separation, comprises graphene oxide surface modified functional porous polymer.

WU D, HUANG W, LIU Q, ZHENG B, FU R

Membrane for dehydrating gas e.g. methane, comprises support and composite comprising graphene oxide compound and sulfonated polymer, where sulfonated polymer comprises sulfonated polyvinyl alcohol, polyacrylic acid and polystyrene.

ZHENG S, LIN W, WANG P, KITAHARA I, KHORASANI B, ERICSON J, BAGGE B

Dehydration membrane used in energy recovery ventilator system for dehydrating gas comprises porous support, and composite coated on the porous support comprising crosslinked graphene oxide compound.

ZHENG S, LIN W, WANG P, KITAHARA I, KHORASANI B, ERICSON J, HSIEH W, YAMASHIRO Y, KONDO T, BAGGE 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

Filtering or solid-liquid separation membrane, has graphene compounds provided in matrix layer and dispersed in polymer in matrix layer, where polymer is formed by interfacial polymerization, and compounds increase rejection of matrix layer.

KRISHNA K M, BHATTACHARYYA A, DEVI R M, PHADKE M, KLISHINA K M, BATACHAYA A, DEVIE R M, PHADKE M A