国家/地区 中国（5）
IPC部 A（5）
IPC大类 B32（5）
IPC小类 B32B（5） C01B（5） A41D（3）
B01D（3） C23C（2）
IPC B32B009/00（5）
发明人 CHOI K（2） HEIGHT M（2） PARK H（2）
PARK H G（2）
公开年 2021（3）
申请年 2021（2） 
专利权人 HEIQ MATERIA.（2）

Preparing graphene oxide aerogel comprises e.g. preparing first solution containing modified cotton fibers and graphene oxide and second solution containing nano tourmaline, mixing the prepared solutions, dispersing, introducing clean air into dispersed solution, adding alkali and freeze-drying.

WANG J, WANG B

Face mask e.g. surgical face mask, comprises mask component to cover wearer's mouth and nose, and fastener engaging with mask component comprising air-permeable outer layer, inner layer located on inner side of mask component, and graphene layer, where fastener connects mask component to wearer.

ZHAMU A, JANG B Z, ZHANG B

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

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

Magnetic composition for performing MRI of subject comprises magnetic metal, and graphene-like nanostructure or graphitic nano- or microstructure.

SITHARAMAN B, PARATALA B S, PARATALA B