国家/地区 中国（5） 世界知识产权组织（4） 美国（3）
IPC部 B（8）
IPC大类 B01（8） C01（8） C02（2）
IPC小类 B01D（8）
IPC C01B031/04（8）
发明人 LIU Y（2）
公开年 2015（4） 2014（3）
申请年 2014（8）
专利权人

Graphene material-based dispersive solid phase extraction method involves performing pore-forming and activation of graphene material, adding activated graphene material to chemical sample, extracting and detecting supernatant.

ZHANG M, ZHANG L

Reducing amount of in aqueous mixture to produce liquid depleted in solutes involves contacting first face of graphene oxide laminate membrane with aqueous mixture, and recovering liquid from or downstream from second face of membrane.

RAVEENDRANNAIR R, JOSHI R K, GEIM A

Preparation of multi-aperture graphene membrane used for gas separation device by irradiating graphene film having crystal lattice defects through energy beam, and disrupting when carbon bonds with crystal lattice defects.

CAI Y, XU Y, ZHANG W

Preparing amino graphene thin film used for adsorption of inorganic ions and carbon dioxide molecules, involves preparing graphene oxide which is lyophilized and homogeneously dispersed in dimethylformamide solution.

LIU Y, MIN Y, MO S, TONG S, WANG J, YANG W

Preparing graphene oxide film, used to prepare e.g. dual-layer graphene-oxide film, includes concentrating graphite oxide aqueous slurry, depositing obtained gel slurry on low-friction surface and spreading by bar coating and drying.

CRUZSILVA R, MORELOS A, TERRONES M, ELIAS A L, PEREALOPEZ N, ENDO M

Preparation of graphene oxide-TiO2 composite material used for separation/enrichment of metal ions by adding ethanol/water into graphene oxide, oil bath heating, adding into mixture of titanium butoxide and ethanol/sulfuric acid.

ZHANG Y, CHEN B, HU B, HE M

High-throughput continuous graphene oxide separation comprises conveying graphene oxide solution and buffering liquid through constant flow pump, subjecting for stabilized steam treatment, carrying out free flow electrophoretic separation.

LIU Y, ZHANG D

Separating a composite sheet including atomically thin material i.e. graphene and substrate i.e. copper, comprises applying hypersonic waves to the sheet so as to separate the thin material from the substrate.

STETSON J B, VISS S J