国家/地区 中国（6） 世界知识产权组织（2）
IPC部 B（7）
IPC大类 B01（7） C02（4）
IPC小类 B01D（7）
IPC B01D071/36（7）
发明人 GAO T（2）
公开年 2020（4） 2021（3）
申请年 2020（7）
专利权人 PALL HEBEI E.（2）

Polytetrafluoroethylene composite filter material useful for air purification by filtering bacteria and virus aerosol, comprises supporting layer and polytetrafluoroethylene microporous film layer.

XIAO P, XIAO Z, CAI C, TANG Y, LI H, SU J, XIAOPING, WEIGHT X, TSAI C, AN X J

Layered molybdenum disulfide nanosheet blended and reduced graphene oxide nanofiltration membrane used for organic dye-water system separation, includes polyvinylidene fluoride porous bottom.

HAN X, WEI X, JIN Y, ZOU W

Enzyme-like ligand-loaded complex ultrafiltration membrane useful for water treatment for removing small-molecule micro-pollutants, comprises modified organic membrane and enzyme-like ligand loaded on modified organic membrane.

SHENG G, ZHANG H, ZHANG X, GUO P

Composite membrane comprises porous polyvinylidene fluoride, polytetrafluoroethylene or nitrocellulose membrane body and graphene oxide arranged on surface of membrane body.

WEN X, YOU Y, JIN X, BUSTAMANTE H, JOSHI R

Preparing flexible graphene oxide/metal organic frame composite filter film involves weighing graphene oxide, zinc nitrate hexahydrate and 2-methylimidazole, and then adding them to the same solvent.

SU D, LI B, ZHAO X, YANG Z, LI Z

Preparing permanent hydrophilic nano graphene polytetrafluoroethylene hollow fiber nano-filtration membrane comprises e.g. uniformly mixing polytetrafluoroethylene dispersion resin, extrusion aid, nano silica, and nano graphene dispersant.

GAO T

Preparation of composite nanofiltration membrane involves preparing active nano graphene base film using e.g. nano graphene dispersant and ethylene microporous membrane, immersing in e.g. amine monomer aqueous solution and drying.

GAO T