国家/地区 中国（4） 日本（4） 世界知识产权组织（4） 美国（3） 加拿大（2） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 B（9）
IPC大类 B01（9） B32（3） C02（2）
IPC小类 B01D（9）
IPC B01D071/36（9）
发明人
公开年 2022（6） 2021（3）
申请年 2021（9）
专利权人

Separation membrane used for separating substances from mixed liquids and gases for dehydration, has porous support, and separation layer formed on porous support and containing nanomaterial and organosilica having silsesquioxane structure.

TSURU T, KANESASHI M, NAGASAWA H

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

Membrane distillation, pervaporation system used for downstream recovery of fermentation product, comprises microwave unit, pervaporation system provided in fluid communication with membrane distillation system, and liquid nitrogen trap.

GUPTA O, ROY S, MITRA S

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

Preparing supported polytetrafluoroethylene hollow fiber membrane with catalytic function comprises e.g. adding zinc oxide precursor zinc salt into polytetrafluoroethylene dispersion resin, adding lubricant and porogen, mixing, sintering, and mixing carbon nanomaterials with soluble zinc salt.

ZHAO X, HU J, ZENG X, LI J, AN K

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

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