国家/地区 中国（29） 美国（4） 世界知识产权组织（4） 欧洲专利局（EPO）（3） 印度（2） 台湾（2）
IPC部 B（35）
IPC大类 B01（35）
IPC小类 B01D（35）
IPC B01D061/14（35）
发明人 LIU Y（4） WANG Y（3） CHEN G（2）
CHEN Y（2） CHEN Z（2） NI L（2）
XIE H（2） XU J（2） YU H（2）
ZHANG H（2） ZHANG Y（2） ZHOU H（2）
公开年 2020（8） 2021（6） 2017（5） 2022（5） 2018（3） 2023（3） 2016（2）
申请年 2020（8）  2021（8）  2017（5）  2019（4）  2015（3）  2018（3） 
专利权人

Composite film used for selectively separating cation in water environment, comprises supporting layer and functional layer located on surface of supporting layer, where functional layer comprises seed layer, and metal-organic framework layer located on surface of seed layer.

LU C, HU C, CHEN Z, QU J

Lead ion selective adsorption polyacrylonitrile ultrafiltration membrane useful in field of lead ion wastewater treatment, comprises support layer and polyacrylonitrile separation layer (including nanoparticles surface-modified by phosphoramidate compound).

YU H, ZHANG Y, PAN G, LIU Y, ZHAO M

Hollow fiber ultrafiltration membrane for removal of heavy metals including arsenic, comprises polyphenylsulfone as base polymer, polyvinylpyrrolidone as pore-forming agent, and polyvinylpyrrolidone as hydrophilic polymer.

TODETI S R, NAYAK C M, KUMAR M, ISLOOR A M

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

Portable drinking water container with water filtration system comprises screw cap of container at top with removable water filter fitting to as cartridge and squeezable cylindrical water storage unit of suitable material.

MANDAL A, GHOSH S, GUPTA A

Treating starting liquid containing pollutants comprises adding graphene oxide to starting liquid so as to adsorb part of pollutants and causing pre-treated liquid to flow through porous membrane comprising hollow fibers.

MELUCCI M, PALERMO V, KOVTUN A, NAVACCHIA M L, BOCCHI L

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

Graphene oxide titanium dioxide-dopamine polyetherimide nanofiltration membrane comprises organic ultrafiltration membrane support and functional layer prepared by ultrasonically mixing graphene oxide solution and titanium dioxide-dopamine aqueous solution, filtering to form membrane, and filtering.

LAN W, FANG F, HONG Y, CHEN Y

Preparation of shaped hollow fiber ultrafiltration membrane used for treating coal chemical wastewater includes mixing organic solvent, polyvinylidene chloride resin, polymer pore forming agent, monolayer graphene oxide solution and additive to obtain casting solution.

WANG Y, RUI Y, LIU W, YANG S

High salinity and high hardness ground water materialization removal by using e.g. pre-precipitation adjusting tank, flocculation sedimentation tank, no valve filter tank, reverse osmosis system, and electrodialysis system process.

LV L, XU J, XU H, YUE K, WU L