国家/地区 美国（4） 世界知识产权组织（3） 欧洲专利局（EPO）（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 C01B（5）
IPC C01B032/182（5）
发明人
公开年 2021（5）
申请年 2021（3）  2020（2） 
专利权人

Janus composite used for adsorbing oil from an oil-in-water emulsion, comprises hydrophobic nanoparticulate component supported by 2- or 3-dimensional hydrophilic framework.

ZOU L

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 three-dimensional graphene-based zero-valent iron nanomaterial used in advanced oxidation, involves mixing three-dimensional graphene aerogel with iron solution, adding sodium borohydride, washing, and freeze drying.

ZHANG P, FAN M, SUN H

Multi-layered membrane useful for separating many ions or molecules in a fluid stream and in device for osmotic power generation, comprises a top layer, a bottom layer, and a spacer layer.

GARAJ S, SPINA M

Composite photocatalyst used in degradation of organic pollutant, comprises catalytic nanoparticles comprising tungsten oxide and graphene, and co-catalyst nanoparticles comprising transition metal boride and transition metal hydroxide.

ASIRI A M, TAHIR M B