国家/地区 世界知识产权组织（4） 中国（3） 日本（3） 美国（3） 欧洲专利局（EPO）（2） 韩国（2）
IPC部 A（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/182（4）
发明人
公开年
申请年 2017（2） 
专利权人

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

Preparation of graphene oxide hydrogel used for preparing hybrid hydrogel, involves adding vitamin C to graphene oxide dispersion, such ratio of graphene oxide with respect to vitamin C reaches preset value, and incubating dispersion.

TUFENKJI N, YOUSEFI N, HOSSEINIDOUST Z, WONG K

Combating biofouling or controlling microorganisms in aqueous medium by providing surface coated with laser-induced graphene layer in aqueous medium.

ARNUSCH C J, SINGH S P, SARGUNARAJ F, OREN Y, TOUR J M, LI Y

Removing urea from biological fluids, comprises e.g. contacting fluid comprising urea with mass of graphene-based material particles, and sorbing portion of urea into or onto graphene-based material particles.

NATAN M J, KYRLIDIS A