国家/地区 中国（28） 美国（15） 世界知识产权组织（11） 韩国（9） 印度（8） 欧洲专利局（EPO）（3） 加拿大（2）
IPC部 B（55）
IPC大类 B01（55）
IPC小类 B01D（55）
IPC C02F001/00（55）
发明人 JAMISON D E（4） SHUMWAY W W（4） LIU S（3）
SHA X（3） SHA Y（3） SILVEIRA G R（3）
WANG Q（3） ZHANG K（3） BI Y（2）
DU J（2） DU X（2） JINDAL H（2）
KE Y（2） LEE J（2） LEE J H（2）
公开年 2021（16） 2017（7） 2023（7） 2019（6） 2022（5） 2018（4） 2016（3） 2013（2） 2020（2）
申请年 2019（12）  2020（8）  2022（8）  2021（5）  2015（4）  2016（4）  2017（4）  2012（3）  2018（3）  2023（2） 
专利权人 HALLIBURTON .（4） GUANGZHOU KA.（3） NANTONG QIAN.（3） AQUA DIVA GL.（2）
CHITKARA INN.（2） GUANGDONG ES.（2） NUCLEAR IND .（2） STANDARD GRA.（2）

Purifying agent used in industrial waste water treatment includes modified mixed flocculant including sodium hydroxide, sodium sulfide, polyferric sulfate, sodium polystyrene sulfonate and composite activated carbon filter element including activated carbon powder, and graphene oxide.

ZHANG K, ZHENG X, QIAO J, ZHAO Z, YANG X, LIN X, LIU F, LIU Y

Composite nanofiltration membrane useful in treatment of high-salt wastewater containing dyes, comprises graphene oxide/phenolic resin nanofiltration membrane on surface of base film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Graphene oxide composite nano-filtration membrane used in treating dye-containing high-salt wastewater, or decolorization treatment of the dye-containing high-salt wastewater, comprises base film surface embedded with high molecular nano material of graphene oxide nanofiltration film.

ZHANG X, ZHANG Y, QIU X, DU X, TAN H, WANG J, KE Y

Automatic graphene sewage purifying device for fish tank, has purifying box whose bottom is fixedly connected with water outlet pipe whose end part is movably connected with another water pipe whose inner wall is connected with graphene filter plate.

SONG X

Making active molecular filters used in gas and water system to control and catalysis of air and water pollution, comprises taking substrate in reaction vessel, activating it, and functionalizing the substrate.

GORADIA P

Making sintered nanoparticle compound used in enhanced filtration systems, involves providing zeolite, silver nitrate, silver dioxide nanoparticle and graphene; combining core element of zeolite; where zeolite core is impregnated with silver nitrate or silver dioxide nanoparticle.

SILVEIRA G R

Sintered nanoparticle compound for use in enhanced granulated activated charcoal compound for removing nitrates, nitrites, salts, odors, or taste from processed water for use in water filtration system, comprises zeolite, silver nitrate, silver dioxide nanoparticle, and graphene.

SILVEIRA G R

Preparing oxidized graphene flakes (OGF) incorporated reduced graphene oxide (rGO) coated PU foam comprises e.g. preparing mold surface for antisticking property, mixing OGF, polyol and isocyanate, polymerizing, and thermally treating.

YADAV D, DE J, SAXENA S, SHUKLA S

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

Sound insulation material used in water purifying machine, comprises butyronitrile, modified oxidized graphene, zinc oxide, stearic acid, acceleratorand sulfur.

LI Z, MA X, YU W, WANG D, REN F