国家/地区 世界知识产权组织（10） 美国（7） 中国（5） 印度（4） 日本（4） 欧洲专利局（EPO）（3） 韩国（3） 巴西（2）
IPC部 B（17）
IPC大类 B01（17）
IPC小类 B01D（17）
IPC B01D039/20（17）
发明人
公开年 2022（4） 2017（3） 2020（3） 2021（3） 2015（2）
申请年 2020（4）  2015（3）  2022（3）  2021（2） 
专利权人 UNIV SHINSHU（2）

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

Assembly used in air filtration unit and automobile ventilation unit for attracting and neutralizing contaminants from air, comprises substrate, graphite solution, and ionizer to apply static charge to substrate by ionizing particles, where substrate is treated with graphite solution.

SEEGERS G N, SEEGERS W N

Synthesizing carbon beads by preparing viscous slurry in non-polar solvent configured to function as disperse phase, preparing viscous gel using hydrocolloids, passing disperse phase and continuous phase into microfluidic droplet generator, subjecting to thermal treatment and UV radiation and drying.

PARENTE M, SITHARAMAN B, SITARAMAN B

Hybrid graphene material used for manufacturing filters of substances from any tobacco product, preferably cigarettes, industrial processes, internal combustion engines or chemical processes, comprises micronized graphite.

BENSE CANDELA T, BANCHERO ISASMENDI M M, UMPIERREZ VAZQUEZ E F, RUFENER C, VILLANUEVA J P, PARDO H, FACCIO R, MOMBRU A, BENSE C T, BANCHERO I M M, UMPIERREZ V E F, BENSE C T S, CANDELA T B, ISASMENDI M M B, VAZQUEZ E F U, UMPIERREZ VIZQUEZ E F, UFENER C, UMPIERREZ VAZQUEZ E, DRA. PARDO H, DR. FACCIO R, DR. MOMBRU A

Preparing graphene material useful in the field of air purification, water purification, medical field and field of clothing comprises heating arc under protective gas environment, and introducing reaction gas into reaction space.

CAO M, TAO T

Manufacturing graphene sponge sheet used for e.g., negative electrode material, filter material and sensor by preparing slurry by mixing graphite powder and ground graphite powder or water containing graphite powder and drying slurry.

PARK Y

Manufacture of adsorption/absorption media used for separating oils from liquids, involves forming emulsion by combining graphene and/or graphite powder with monomer, initiator and water, curing, forming resultant product, and drying.

GANNON W J, TOMLINSON D