国家/地区 中国（6） 欧洲专利局（EPO）（2） 韩国（2） 美国（2） 世界知识产权组织（2）
IPC部 B（6） C（4）
IPC大类 B01（6） C02（3）
IPC小类 B01D（6）
IPC B01D071/36（6）
发明人
公开年 2021（6）
申请年 2020（3）  2021（3） 
专利权人

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

Composite membrane used for separating gas from gas mixture, comprises selective layer comprising polymeric matrix comprising amine polymer, graphene oxide nanofiller, and mobile carrier chosen from ionic liquid and amino acid salt, coated on support.

DENG L, JANAKIRAM S, ANSALONI L, DENG Y L, ANSARONI L

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

Preparing graphene composite polyester hollow fiber film involves mixing graphene powder with polyester powder and adding into screw extruder to obtain graphene composite polyester master batch.

REN G, MA L, LIU S

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