国家/地区 中国（4） 日本（2） 世界知识产权组织（2）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC B01D053/22（6）
发明人
公开年 2021（6）
申请年 2021（4） 
专利权人

Preparing gas selective separation filter involves providing graphene membrane on sacrificial support layer, subjecting graphene membrane to transient pressurized ozone gas pulse, purging ozone, and cooling down ozone treated graphene membrane.

AGRAWAL K V, HUANG S, HSU K, AGRAWAL K, HWANG S, HUSH K, XU G

Gas separation membrane element used in gas manufacture, comprises central tube for accumulating permeated gas, and gas separation membrane spirally surrounded by tube and comprising porous support film having arithmetic-mean surface roughness and separation functional layer containing graphene.

TOKUYAMA T, IIZUKA R, YAMADA H

Preparation of sulfonated reduced graphene oxide-polymer mixed matrix film includes dispersing dried sulfonated reduced graphene oxide in organic solvent and blending inorganic filler dispersion with organic film casting solution.

CHEN Z, QUAN K, YU H, LUO C, DUAN C, YUAN B, YAN S

Preparation of LTL molecular sieve membrane involves preparing LTL molecular sieve crystal particles, modifying, preparing graphene oxide modified carrier, assembling with molecular sieve crystal layer, steam reforming, and heating.

WANG Z, HUANG R, WANG N

Multilayer selective hydrogen permeation composite membrane useful for separating hydrogen from gas mixture by selective diffusion, comprises metal substrate layer with high hydrogen permeability, metal layer and single-layer graphene film.

GUO Y, CHEN C, ZOU D, LIU R, DENG L, LI G, YE X

Improved method for synthesizing ionic liquid functionalized polysulfone membrane and incorporating graphene oxide.

NEMADE P R, DHOPTE A M, DHOPTE K B, ZAMBARE R S