国家/地区 世界知识产权组织（4）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4）
IPC B01D067/00（4）
发明人 CHOI K（2） HEIGHT M（2） PARK H（2）
PARK H G（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 HEIQ MATERIA.（2）

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

Continuous permeable graphene film comprises at least two layers of graphene and nanochannels or nanopores providing a fluid passage from one face of the film to the other.

SEO D H, PINEDA S, MURDOCK A, HAN Z J, OSTRIKOV K, XIE M, VAN DER LAAN T

Manufacture of porous graphene layer used for e.g. textile industries, involves carrying out chemical vapor deposition of carbon source on catalytically active substrate which catalyzes graphene formation, and forming graphene.

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