国家/地区 世界知识产权组织（8）
IPC部 B（8）
IPC大类 B01（8） B32（3） C01（2）
C02（2）
IPC小类 B01D（8）
IPC B01D071/36（8）
发明人
公开年 2022（4） 2021（2）
申请年 2021（4）  2020（2）  2022（2） 
专利权人

Composite material used in laminates and articles, comprises expanded porous membrane having thickness and microstructure of fibrils, and nodes interconnecting fibrils, and poly(ionic liquids) polymer.

RAN S, SHAFER G J

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

Separation membrane has support having water permeability, matrix layer supported by support and having holes, and graphene layer including graphene material supported by matrix layer and including graphene and/or graphene oxide, and having another holes overlapping holes.

HIROTAKA S, YASUHIKO T, MOTOYUKI H, MASASHI M, SAKUMA H, TADA Y, HIROOKA M, MARUYAMA M

Mask for use in respiratory protection for various diseases, has mask body that covers user's mouth and nose when worn by user, and wearing strap that is connected to both sides of mask body.

PARK S A

Multi-stage hybrid membrane used for separating hydrogen from syngas, comprises screen supporting the layers containing mixture of carbon fibers, transition nonmetal compounds, fluorine containing polymer and activated carbon.

ROBLES G, NIMOCKS R, ROCKE M, CHEIKY C, GLEN R, ROBERT N, MIC R, CHARITY C

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

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