国家/地区 中国（3） 韩国（3） 欧洲专利局（EPO）（2） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D039/16（2） B01D067/00（2） B01D071/02（2）
C23C016/26（2）
发明人
公开年 2020（2） 2021（2）
申请年 2020（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

Formation of porous graphene layer used as semipermeable membrane, involves providing catalytically active substrate comprising copper-nickel alloy substrate, to catalyze graphene formation under chemical vapor deposition conditions.

CHOI K, PARK H G, HEIGHT M, CHOI K J, PARK H, PIAO H

Manufacturing antibacterial and sterilizing air filtering material involves putting aqueous polyurethane into solvent for dissolution to obtain mixed solution, and adding silver-loaded graphene to mixed solution to form spinning solution.

XIN B, ZHOU X, YU J, JIANG Y, XU L, HUANG Y, YAN Q, MIAO Y, XIE X, LI A

Manufacture of antibacterial filter for mask, involves impregnating graphene slurry comprising graphene and silver nanoparticles into polymer fibers, and immersing graphene-impregnated polymer fibers in silver electroless plating solution.

LEE G