国家/地区 中国（3） 美国（3）
IPC部 B（5）
IPC大类 B32（5）
IPC小类 B32B（5）
IPC C02F001/28（5）
发明人
公开年 2022（2）
申请年 2021（3） 
专利权人

Photothermal conversion material used in photothermal conversion material complex for sewage treatment or seawater desalination, has composite including ultraviolet light and infrared light absorbing material is selected from group consisting of tungsten oxide, titanium oxide, copper sulfide.

ASTER A T, NASEEM S, WU C, TESSEMA A A

Preparing graphene artificial float grass for wine brewery waste water treatment, involves mixing graphene oxide and polypropylene to obtain graphene modified polypropylene, adding graphene modified polypropylene and reaction auxiliary agent.

ZHANG H, ZHANG Y, LI Z, PAN D, YU Z, DENG J

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

Type oil-absorbing cotton comprises porous cotton layer are laminated, a filter layer and a graphene aerogel having a 3 dimensional porous skeleton layer and the graphene aerogel layer as graphene aerogel doped with nitrogen.

PU T, WANG J, ZHANG J

Graphene-iron oxide complex, useful in purification filter for removal of heavy metals, comprises graphene and needle-like iron oxide nanoparticles grown on surface of the graphene.

KOO H Y, CHOI W S, KIM J K, YEONG G H, SAN CHOI W, GYEONG K J