国家/地区 中国（20） 美国（5） 印度（3） 世界知识产权组织（3） 加拿大（2） 日本（2）
IPC部 B（27）
IPC大类 B01（27）
IPC小类 B01D（27）
IPC C02F001/28（27）
发明人 DU J（3） BI Y（2） LI X（2）
LI Y（2） LIU M（2） QI Q（2）
SUN H（2） WANG L（2） WANG S（2）
WEI S（2） YANG Y（2） ZHANG K（2）
公开年 2021（27）
申请年 2021（12）  2020（11）  2019（4） 
专利权人 NUCLEAR IND .（2）

Inserting two dimensional flakes of two dimensional material into pores of porous substrate, comprises providing porous substrate having open pores, applying liquid dispersion of flexible flakes to porous substrate and subjecting substrate.

KHRANOVSKYY E, ZHYBAK M

Preparing multilayer polytetrafluoroethylene hollow fiber film comprises preparing polytetrafluoroethylene material, pressing into blank, extruding, stretching and sintering the hollow pipe, dipping the film in coating dipping liquid, and sintering at low temperature.

CHEN W

Four-columns water filter system has three filtering bed in each column, where three filtering bed comprises filter I or first filter bed-made-up of functionalized graphene, filter II or second filter bed-made-up of cotton supported bed.

GAUTAM S, KUMAR A, VASHISTHA V K, DAS D K, SHARMA K, PRAKASH S

Water purification device used to remove water contaminants e.g. arsenic, pathogen, and bacteria, comprises housing comprising base, side walls and top wall, and first, second, third and fourth layers.

JINDAL H, SANDHU I S, CHITKARA M, PANDA S N

Preparing composite fibre film comprises adding graphene oxide and dopamine hydrochloride, stirring, adding polyvinyl alcohol into deionized water, heating, adding cotton fibers into deionized water, electrostatic spinning, adding amino-terminated hyperbranched polymer and shaking.

WUMING

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

Preparing graphene oxide/polymer sponge three-dimensional structure composite material comprises e.g. adding polymer sponge in strong acid aqueous solution, removing residual strong acid aqueous solution, and soaking negatively charged polymer sponge in graphene oxide dispersion liquid.

LIU B, PENG T, ZHANG X, SUN H

Lid for container, has flexible adapter that is configured to be connected to tap for receiving raw water and passing raw water into water purification unit by using water pressure in water supply line.

SHAH R

Apparatus for producing alkaline electrolyte solution, comprises e.g. a filtration process unit for filtering raw water, and deion processing unit provided with strongly basic anion exchange resin tower for generating strong alkaline water.

LEE G B

Preparing graphene oxide grafted polyacrylonitrile fiber heavy metal adsorption film comprises e.g. ultrasonically dispersing graphene oxide and chloropropyltriethoxysilane, performing constant temperature reaction and electrospinning.

LI Z