国家/地区 中国（36） 美国（8） 世界知识产权组织（6） 印度（5） 欧洲专利局（EPO）（4） 韩国（3） 日本（2） 台湾（2）
IPC部 B（48）
IPC大类 B01（48） C02（35） C01（8）
C07（4） C08（4）
IPC小类 B01D（48）
IPC B01D061/14（48）
发明人 LIU Y（4） WANG Y（4） ZHOU H（4）
CHEN Y（3） CHEN G（2） CHEN Z（2）
JUN D（2） KANER R B（2） KOWAL M（2）
NI L（2） WANG T（2） XIE H（2）
XU J（2） YU H（2） ZHANG H（2）
公开年 2021（11） 2020（9） 2017（6） 2022（6） 2023（5） 2018（4） 2016（2） 2019（2）
申请年 2021（12）  2020（9）  2019（7）  2017（5）  2018（4）  2015（3）  2016（2）  2022（2）  2023（2） 
专利权人 UNIV CALIFOR.（2）

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

Preparing aluminum oxide ceramic plate film used in sewage treatment, comprises setting intermediate sacrificial layer and functional film layer on aluminum oxide ceramic substrate, and removing intermediate sacrificial layer.

LI X, GAO G, ZHOU H, WANG Y, ZHANG N, LIU X

Process for 5-hydroxymethyl ether formation involves using ionic liquid catalyst of fructose in corresponding alcohol and adding to N,N-dimethylacetamide methanesulfonate, refluxing reaction mixture, cooling and isolating desired ether product under reduced pressure and reusing recovered alcohol.

DUTTA S

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

Preparation of p-nitrophenol comprising adding p-nitrochlorobenzene and aqueous sodium hydroxide solution, stirring, raising temperature, adding sulfuric acid solution to obtain reaction solution, separating oil layer by oil-water separation and subjecting oil layer to ultrafiltration.

CAO M, YAO X, XIONG G, HUANG Z, GUO X, CHEN Y, CHEN B

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