国家/地区 世界知识产权组织（2）
IPC部 B（4）
IPC大类 B01（4）
IPC小类 B01D（4） C01B（4） C02F（3）
B01J（2） B82Y（2）
IPC B01D039/20（4）
发明人
公开年 2022（4）
申请年 2022（3） 
专利权人

Face mask for use as personal protective equipment, comprises layer comprising surface-functionalized graphene particles having specified sulfur impurity level, manganese level, and/or nitrogen oxide level.

PROMNIMIT A

Production of carbon nanotube-based adsorption/filtration nanomaterial, comprises annealing carbon nanotubes to remove fullerenes and other by-products of carbon crystallization, where carbon nanotubes are subsequently immobilized on support substrate based on fibrous natural or synthetic material.

BOUSA D, BOUSA M, BOUSOVA K

System used for purification of water, comprises water passage, filtration pad comprising graphene oxide nanoparticles and silver nanowires fixed inside water passage, cotton pad fixed on filtration pad inside water passage, electrodes connected to cotton pads, and magnet.

AHMAD N, MAHDI I, SAXENA V, SHUKLA A, MISHRA H, IMAM S B, AMB M, SINGH D

Modified graphene oxide with nano metal particles used for e.g. treatment of water for human consumption, is prepared by mixing phosphorus pentoxide, graphite, sulfuric acid and potassium persulfate, stirring, vacuum filtering mixture and washing, and drying to obtain pre-oxidized graphite.

BERGAMASCO R, BAZANA S D L, BIADOLA Q L S, GOMES R G, FILHO B A D A, NAKAMURA C V, SUGUIURA D, OCAMPOS F T