国家/地区 中国（3） 世界知识产权组织（3） 韩国（2） 美国（2）
IPC部 B（7）
IPC大类 B01（7）
IPC小类 B01D（7）
IPC B01D069/12（7）
发明人
公开年 2021（5） 2022（2）
申请年 2021（7）
专利权人

Gas separation membrane useful for separating hydrogen comprises first layer including one dimensional carbon body set on porous support and second layer including metal-organic framework set on first layer.

KIM D W, CHOI E J

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

Large area graphene-based seawater desalination film comprises support layer and composite interlayer structural unit, where composite interlayer structural unit is sequentially provided with porous graphene layer, graphene oxide layer and porous graphene layer from bottom to top.

QING F, HOU Y, LI X

Graphene oxide-based membrane for use in regenerative dialysis system, comprises substrate, and multiple layers of single-layered graphene oxide formed on surface of substrate, where each layer is functionalized by diamine functional group.

YANG H Y, LEONG Z Y, ROY D M, KODURI S

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 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