国家/地区 世界知识产权组织（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC B01D067/00（3） A41D013/11（2） A41D031/30（2）
A62B023/02（2） B01D039/20（2） B01D069/12（2）
D01F006/00（2）
发明人
公开年 2021（2） 2022（2）
申请年 2021（3）  2014（2） 
专利权人

Membrane used in gas separation membrane module, comprises separation function layer containing matrix and particles and has fibrous or film-like shape.

YAHAGI N, MIHARA T

Filter material, useful in face mask and/or respirator, comprises electrospun nanofiber membrane and active nanomaterial agent incorporated into the membrane, where the membrane filters disease-causing agents.

HASAN S W, MAVUKKANDY M

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Electrospun polymer nanofibrous membrane having high filtration efficiency comprises polyvinylidene fluoride, Tecophilic thermoplastic polyurethanes, or blend of polyvinylidene fluoride and Tecophilic thermoplastic polyurethanes.

SOLIMAN S, GUO F

Preparing graphene oxide film, used to prepare e.g. dual-layer graphene-oxide film, includes concentrating graphite oxide aqueous slurry, depositing obtained gel slurry on low-friction surface and spreading by bar coating and drying.

CRUZSILVA R, MORELOS A, TERRONES M, ELIAS A L, PEREALOPEZ N, ENDO M

Making oil-absorbing hollow fiber porous membrane involves immersing graphene dispersion liquid into polymer hollow fiber porous membrane module, and reinforcing binding fastness interface between graphene and hollow fiber porous membrane.

HUANG Q, LIU H, XIAO C, ZHAO J, FAN Z