国家/地区 世界知识产权组织（5） 中国（4） 美国（4） 欧洲专利局（EPO）（2）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 B01D（8）
IPC B01D053/32（2） C01B031/04（2） C01B032/182（2）
C01B032/198（2） C01B032/21（2）
发明人
公开年 2021（2）
申请年 2022（2） 
专利权人

Production of solid carbon used in composition of matter, involves receiving carbon dioxide and water in reactor, dissociating carbon dioxide and water to form dissociated species, exposing dissociated species to electric field to facilitate reactions, generating and outputting solid carbon.

STOWELL M W, SIENKO L, STOWELL W M

Method for storing methane gas used for energy gas adsorption, involves controlling adsorbing and desorbing methane by graphene oxide at preset output voltage to improve storage and release property of graphene oxide.

ZHAO J, HAN Y

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

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

Graphene oxide separating and purifying device comprises a drying box and a protective shell, where the lower end face of the drying box is fixed with a bottom box, and upper end face of the drying box is fixed with a top box.

HAN W, HOU S, LI L, ZHAO X

Drying device for graphene or graphite oxide, comprises heater, storage tank, feeding pump, heat exchanger, drying tower, cyclone collector, air filter, draft fan and waste gas discharge pipe, where air filter is connected with heater.

CHEN C, KONG Q, WANG D, LI S, DAN J, XIE L, WANG W, SU X

Graphite filter tipped cigarette comprises a filter with fibers segment and tobacco where a graphene adsorption section has wrapping paper composition and is coated with graphene, which is chemically bonded to filter fibers.

WANG G, TANG Y, ZHANG J, ZHANG A, LIU D

Manufacture of graphene used for e.g. photovoltaic cell, involves exposing graphite oxide to source of ultraviolet light, visible light and/or infrared radiant energy.

ELSHALL M S, ABDELSAYED V, ALRESAYES S I, ALOTHMAN Z A M, MOUSSA S, MOHAMED M B